f6de40a0e0c5b51daa70456189d10f7fc1e7dcd36168cf8afcb17035efda6686

Analysis

max time kernel
123s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/03/2024, 10:26

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General

Target

WeChatSetup.exe
Size

213.9MB
MD5

f532bf00404c7e1c85cf0beea77a8087
SHA1

2e4b7a89c9dd6c94b0e2d1c4590647dac1db6e01
SHA256

f6de40a0e0c5b51daa70456189d10f7fc1e7dcd36168cf8afcb17035efda6686
SHA512

660a0f9e3d67cda569b1f23bf58704f88fa3954051ea54bcd45809572da131421cb54a799b2a09f8904b079aa62a2116525d07514780bdde50c5772dcd0cecab
SSDEEP

6291456:WGQuGyvvAlDNxMPt28nxoW94yGGGQnJGSEDeS:WSGyv4lDXORLnJ9LS

Score

4^/10

Malware Config

Signatures

Loads dropped DLL 10 IoCs

pid	Process
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	WeChatSetup.exe
1896	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:1896

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

C:\Users\Admin\AppData\Local\Temp\nsy3FD0.tmp\WeChatInstallDll.dll

Filesize
2.0MB

MD5
b3c3b61337957c967ebb55d2e6961c22

SHA1
2dbf69369309cc5694dea490f13be41ac797fbb3

SHA256
91414022de0110195f3c4fb4a14e6b10bbd8d36b5d25e65031f812f6804a35aa

SHA512
f7611e5166a039ffc489e405de789ebdf031eb4de5af459be1707f982bb6a9d42640fcd72e639908938c6daff170a0f7f8693aee1d523e6db9e081e7c3671f05

Download Submit
\Users\Admin\AppData\Local\Temp\nsy3FD0.tmp\FindProcDLL.dll

Filesize
492KB

MD5
633625aa3be670a515fa87ff3a566d90

SHA1
de035c083125aef5df0a55c153ef6cc4dd4c15b4

SHA256
bda8e0ddb672ea3558ad68634c49da06cd72f93d7fca642ca41df00e26512df1

SHA512
3c687ddf0e4e93a6787a23a93e2011df42898f6d21101c848a1b7c7bd2eddd5d49fdd0748e47e6235e7808596d00a1ecf79b5c975d050dd8d00a95f515a444a9

Download Submit
\Users\Admin\AppData\Local\Temp\nsy3FD0.tmp\System.dll

Filesize
11KB

MD5
ca332bb753b0775d5e806e236ddcec55

SHA1
f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

SHA256
df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

SHA512
2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

Download Submit
\Users\Admin\AppData\Local\Temp\nsy3FD0.tmp\WeChatInstallDll.dll

Filesize
1.9MB

MD5
18c038baf31e8b28241db80cac9baed5

SHA1
9dcd9eb4863197eebd99fba38bcda8bd4e118cb6

SHA256
3c1212ff9565370893850087d0b0475acbe5ef37213f44a108f63b1d32e39312

SHA512
9e7abed644d3e8069e65b58c51481056dc45d6e5a6df138123658f5cdae8aeac4efb694085413a00ee071baa4082018f94ea59246b898031daf7e84b047aa7bb

Download Submit
\Users\Admin\AppData\Local\Temp\nsy3FD0.tmp\nsInstallAssist.dll

Filesize
192KB

MD5
28b411f3793dbcb81d6f3d3b0527cdba

SHA1
7614310be1231850e811a818f58ee8b54ae9ceaf

SHA256
0281e384c94cad29fd8279c1855f671c2dd1f7772cf5645f573dd1df2b3bd127

SHA512
e5c9f21e9838eca54a8ededb1bf279453e116b6cde629a75ad057b6438deec6bcacf6e27a81c8aa0fc732f26dc28cee7a006ba6d68c08846b92937e388349d78

Download Submit
memory/1896-16-0x0000000007AE0000-0x0000000007B8B000-memory.dmp

Filesize
684KB

Download
memory/1896-25-0x0000000007AE0000-0x0000000007B8B000-memory.dmp

Filesize
684KB

Download
memory/1896-56-0x0000000007AE0000-0x0000000007B8B000-memory.dmp

Filesize
684KB

Download
memory/1896-61-0x0000000007AE0000-0x0000000007B12000-memory.dmp

Filesize
200KB

Download