f6de40a0e0c5b51daa70456189d10f7fc1e7dcd36168cf8afcb17035efda6686

Analysis

max time kernel
170s
max time network
221s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/03/2024, 10:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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 18 IoCs

pid	Process
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe
1304	WeChatSetup.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5144 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:1632

C:\Users\Admin\AppData\Local\Temp\WeChatSetup.exe
"C:\Users\Admin\AppData\Local\Temp\WeChatSetup.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1304

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsaC5AE.tmp\FindProcDLL.dll

Filesize
492KB

MD5
633625aa3be670a515fa87ff3a566d90

SHA1
de035c083125aef5df0a55c153ef6cc4dd4c15b4

SHA256
bda8e0ddb672ea3558ad68634c49da06cd72f93d7fca642ca41df00e26512df1

SHA512
3c687ddf0e4e93a6787a23a93e2011df42898f6d21101c848a1b7c7bd2eddd5d49fdd0748e47e6235e7808596d00a1ecf79b5c975d050dd8d00a95f515a444a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsaC5AE.tmp\System.dll

Filesize
11KB

MD5
ca332bb753b0775d5e806e236ddcec55

SHA1
f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

SHA256
df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

SHA512
2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsaC5AE.tmp\WeChatInstallDll.dll

Filesize
3.6MB

MD5
2acb0c1f4f388e1dd5be9a01c9593185

SHA1
4700a4c989ef847f0bf39c907d08968003ec5942

SHA256
749fb2d7f65cfad8928a842d1103c22dab3239296472947798504b15858422ba

SHA512
fcba0b51326ead208db123c17118c452082fdcff9379328c5b4c0825d4039de80932cab8c38a2b7f95955907ce1a92bba4021e7e48bab7988991088cf7189f7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsaC5AE.tmp\nsInstallAssist.dll

Filesize
192KB

MD5
28b411f3793dbcb81d6f3d3b0527cdba

SHA1
7614310be1231850e811a818f58ee8b54ae9ceaf

SHA256
0281e384c94cad29fd8279c1855f671c2dd1f7772cf5645f573dd1df2b3bd127

SHA512
e5c9f21e9838eca54a8ededb1bf279453e116b6cde629a75ad057b6438deec6bcacf6e27a81c8aa0fc732f26dc28cee7a006ba6d68c08846b92937e388349d78

Download Submit
memory/1304-49-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-66-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-40-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-41-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-17-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-57-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-65-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-30-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-67-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-68-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-69-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-70-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-71-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-14-0x0000000008EC0000-0x0000000008F6B000-memory.dmp

Filesize
684KB

Download
memory/1304-77-0x00000000078D0000-0x0000000007902000-memory.dmp

Filesize
200KB

Download