243f3743b7c0353104dffd185aa6d754407e7b31c3840e30fdc5ec66d7f1c11b

Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 05:35

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General

Target

WeChatSetup.exe
Size

245.2MB
MD5

7377170ac9bfd90d056012af8613c310
SHA1

e1c44dd59cad4c513fe6384fad5accc10cdfecec
SHA256

243f3743b7c0353104dffd185aa6d754407e7b31c3840e30fdc5ec66d7f1c11b
SHA512

3919294ef33107540ae1f4fe4bec93c74126ebb900000869d8f08ec528668b34e35673b29c266a3fd9e666112f49ade7ff187956ecc08572f05009a09e9bb931
SSDEEP

6291456:Z1jOBQPyYOKF7+6aYG9R1BWj15Do2ATZTNRF4uHio/KjNf:ZZOBQEg+6KWpmBNP4uHfKjNf

Score

4^/10

Malware Config

Signatures

Loads dropped DLL 10 IoCs

pid	Process
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe
2816	WeChatSetup.exe

C:\Users\Admin\AppData\Local\Temp\WeChatSetup.exe
"C:\Users\Admin\AppData\Local\Temp\WeChatSetup.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsd762B.tmp\FindProcDLL.dll

Filesize
492KB

MD5
633625aa3be670a515fa87ff3a566d90

SHA1
de035c083125aef5df0a55c153ef6cc4dd4c15b4

SHA256
bda8e0ddb672ea3558ad68634c49da06cd72f93d7fca642ca41df00e26512df1

SHA512
3c687ddf0e4e93a6787a23a93e2011df42898f6d21101c848a1b7c7bd2eddd5d49fdd0748e47e6235e7808596d00a1ecf79b5c975d050dd8d00a95f515a444a9

Download Submit
\Users\Admin\AppData\Local\Temp\nsd762B.tmp\System.dll

Filesize
11KB

MD5
ca332bb753b0775d5e806e236ddcec55

SHA1
f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

SHA256
df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

SHA512
2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

Download Submit
\Users\Admin\AppData\Local\Temp\nsd762B.tmp\WeChatInstallDll.dll

Filesize
3.6MB

MD5
334057ab4993b56c8c663b0224b94567

SHA1
09a428a52707171f425d9047e1b89bde1d5966dd

SHA256
3f829f072de5cc33b160f15f62558c86f75f7f96a2673234c9a48c3164f067d1

SHA512
3b40102c35a946a2ac804b680c61cabe0782b1d334d98d2f7aec5bf3946c2ab80098b0399eb69a1d7aca37073e11dacb6876c977415082fea480d9e4f5762d03

Download Submit
\Users\Admin\AppData\Local\Temp\nsd762B.tmp\nsInstallAssist.dll

Filesize
192KB

MD5
28b411f3793dbcb81d6f3d3b0527cdba

SHA1
7614310be1231850e811a818f58ee8b54ae9ceaf

SHA256
0281e384c94cad29fd8279c1855f671c2dd1f7772cf5645f573dd1df2b3bd127

SHA512
e5c9f21e9838eca54a8ededb1bf279453e116b6cde629a75ad057b6438deec6bcacf6e27a81c8aa0fc732f26dc28cee7a006ba6d68c08846b92937e388349d78

Download Submit
memory/2816-16-0x00000000075B0000-0x000000000765B000-memory.dmp

Filesize
684KB

Download
memory/2816-25-0x00000000075B0000-0x000000000765B000-memory.dmp

Filesize
684KB

Download
memory/2816-32-0x00000000075B0000-0x000000000765B000-memory.dmp

Filesize
684KB

Download
memory/2816-61-0x0000000006EE0000-0x0000000006F12000-memory.dmp

Filesize
200KB

Download