Steam api64 dll Malware Downloader 文件恶意软件分析: 0276b122929fcd74fee949142d65f6a2

Steam_api64.dll Malware Downloader 分析

更新于 1 year ago

检查者 Malaware Check

steam_api64.dll

哈希类型	值	操作
MD5	0276b122929fcd74fee949142d65f6a2
SHA1	6ea54b8c1f983419370dd32d1bf712bf7a067aff
SHA256	1f6781071f396868642ac96e6b17d3f9fec0eb5b2f3b5537c524e8595dc9cab8
SHA512	ccf149fc3f04d7f55e19bc2801105d7f7d0b7a5cb41897c355b44dd48e746a0cdb8701b33863d837bc3aa8d9545122a630abe6e47d1971f04589eeab840983af
ImpHash	b002b0238d9d8895d9baf8b880c22e87

哈希类型

值

操作

MD5

0276b122929fcd74fee949142d65f6a2

SHA1

6ea54b8c1f983419370dd32d1bf712bf7a067aff

SHA256

1f6781071f396868642ac96e6b17d3f9fec0eb5b2f3b5537c524e8595dc9cab8

SHA512

ccf149fc3f04d7f55e19bc2801105d7f7d0b7a5cb41897c355b44dd48e746a0cdb8701b33863d837bc3aa8d9545122a630abe6e47d1971f04589eeab840983af

ImpHash

b002b0238d9d8895d9baf8b880c22e87

PE 分析

基本信息

▼

映像基址	`0x180000000`
入口点	`0x180eb2d04`
编译时间	2019-07-30 04:36:12
校验和	0x00360803 (实际: 0x00360803)
操作系统版本	5.2
PEiD 签名	`PE32+ executable (DLL) (GUI) x86-64, for MS Windows`
数字签名	The PE file does not contain a certificate table.
导入	10 库 KERNEL32, USER32, ADVAPI32, SHELL32, ole32, WS2_32, WINHTTP, SHLWAPI, PSAPI, bcrypt
导出	1100 函数
资源	2 资源
节	8 节

版本信息

▼

Comments	Valve SpecialBuild
CompanyName	Valve Corporation
FileDescription	Steam Client API
FileVersion	05.25.65.21
InternalName	Steam Client API (buildbot_steam-relclient-win64-builder_steam_rel_client_win64@steam-relclient-win64-builder)
LegalCopyright	Copyright (C) 2007
OriginalFilename	steam_api.dll
ProductName	Steam Client API
ProductVersion	01.00.00.01
Source Control ID	5256521
Translation	0x0804 0x04b0

PE 节

▼

名称	虚拟地址	虚拟大小	原始大小	熵	特征	MD5
`.text`	`0x00001000`	432,170 bytes	0 bytes	0.00 (正常)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.rdata`	`0x0006b000`	227,097 bytes	0 bytes	0.00 (正常)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.data`	`0x000a3000`	11,373,636 bytes	0 bytes	0.00 (正常)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`D41D8CD98F00B204E9800998ECF8427E`
`.pdata`	`0x00b7c000`	35,088 bytes	0 bytes	0.00 (正常)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.UPX0`	`0x00b85000`	1,494,843 bytes	0 bytes	0.00 (正常)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`D41D8CD98F00B204E9800998ECF8427E`
`.UPX1`	`0x00cf2000`	3,529,436 bytes	3,529,728 bytes	7.79 (打包/加密)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_NOT_PAGED\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`D472F19E4B953AACC89329A9F384DE59`
`.reloc`	`0x01050000`	168 bytes	512 bytes	1.63 (正常)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`5D2E093C630AB75765822A5F253614E2`
`.rsrc`	`0x01051000`	1,578 bytes	2,048 bytes	3.38 (正常)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`3642710E00AC5CBE8B7B03763A668A7F`

熵分析警报

1 检测到高熵（≥7.5）的节 - 可能存在打包/加密

资源分析

▼

资源总数: 2 (1,418 字节)

资源类型	数量	总大小	百分比
RT_VERSION	1	1,072 字节	75.6%
RT_MANIFEST	1	346 字节	24.4%

证书链分析

▼

无数字签名

此文件未进行数字签名。

安全影响:

无法验证发布者的身份
运行此文件时安全风险增加
可能在某些系统上触发安全警告

⚠ 此文件缺少数字签名或证书链无法验证。
执行来自未知来源的未签名文件时请谨慎。

证书验证状态

The PE file does not contain a certificate table.

建议: 验证文件来源并确保它来自可信的发布者.

发表评论

文件名	steam_api64.dll
文件类型	PE32+ executable (DLL) (GUI) x86-64, for MS Windows
扫描器版本	1.0.152.174
数据库版本	2023-12-23 19:02:15 UTC

Steam_api64.dll Malware Downloader 分析

技术分析

Malware.Win64.Downloader.cc

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