243f3743b7c0353104dffd185aa6d754407e7b31c3840e30fdc5ec66d7f1c11b

Analysis

max time kernel
122s
max time network
24s
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

[3.9.11.19]/Uninstall.exe
Size

1.7MB
MD5

a83eca93a0dde026ee845a76b08faafa
SHA1

2eb951e88272b326e48ecc91d88a5423a6233fae
SHA256

f2b2cb78ef1fd7e90bd45ef2a175583ee3c49380748c08e770be52931915ad18
SHA512

f3edb0db98c17c6d6fb6a9676fb3ca8a5f97cad4495b5054d40c0cc7075e8439c1b8f12d7226bb885a638d6be255d7cc5fc2e6e5e4b14751d3efea1fd2027e88
SSDEEP

24576:PGTJPUbMP326XBoBBYHsIfDczcu5IOQ6LbitlK3cBD5Mm1cBJkkMG5pOVUWjPSdu:8I2G0oWMIoVljGG3aqmQkk9OOp8

Score

4^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2372	Au_.exe

Loads dropped DLL 10 IoCs

pid	Process
1628	Uninstall.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.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
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe
2372	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2372	1628	Uninstall.exe	29
PID 1628 wrote to memory of 2372	1628	Uninstall.exe	29
PID 1628 wrote to memory of 2372	1628	Uninstall.exe	29
PID 1628 wrote to memory of 2372	1628	Uninstall.exe	29

C:\Users\Admin\AppData\Local\Temp\[3.9.11.19]\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\[3.9.11.19]\Uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\[3.9.11.19]\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2372

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\nse406C.tmp\FindProcDLL.dll

Filesize
492KB

MD5
633625aa3be670a515fa87ff3a566d90

SHA1
de035c083125aef5df0a55c153ef6cc4dd4c15b4

SHA256
bda8e0ddb672ea3558ad68634c49da06cd72f93d7fca642ca41df00e26512df1

SHA512
3c687ddf0e4e93a6787a23a93e2011df42898f6d21101c848a1b7c7bd2eddd5d49fdd0748e47e6235e7808596d00a1ecf79b5c975d050dd8d00a95f515a444a9

Download Submit
\Users\Admin\AppData\Local\Temp\nse406C.tmp\System.dll

Filesize
11KB

MD5
ca332bb753b0775d5e806e236ddcec55

SHA1
f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

SHA256
df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

SHA512
2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

Download Submit
\Users\Admin\AppData\Local\Temp\nse406C.tmp\WeChatInstallDll.dll

Filesize
3.6MB

MD5
91153d3fc0b835b072aeebc4d8837faf

SHA1
1e1e524be7c69077229973e385c447d9692ad937

SHA256
a7971bce47584535e9033f9d72d8f6f386c7d8deef3b93e11de50cf9574f7413

SHA512
2b49c6d701cc6f0d25a81258dcec2159ab3ea30389d18aadcc486c540f5daf6adedf998def1bf5c5fb4a5712755dbca710387c862a89138b23ec081682e835ec

Download Submit
\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
1.7MB

MD5
a83eca93a0dde026ee845a76b08faafa

SHA1
2eb951e88272b326e48ecc91d88a5423a6233fae

SHA256
f2b2cb78ef1fd7e90bd45ef2a175583ee3c49380748c08e770be52931915ad18

SHA512
f3edb0db98c17c6d6fb6a9676fb3ca8a5f97cad4495b5054d40c0cc7075e8439c1b8f12d7226bb885a638d6be255d7cc5fc2e6e5e4b14751d3efea1fd2027e88

Download Submit
memory/2372-26-0x0000000006FC0000-0x000000000706B000-memory.dmp

Filesize
684KB

Download
memory/2372-39-0x0000000006FC0000-0x000000000706B000-memory.dmp

Filesize
684KB

Download
memory/2372-46-0x0000000006FC0000-0x000000000706B000-memory.dmp

Filesize
684KB

Download
memory/2372-53-0x0000000006FC0000-0x000000000706B000-memory.dmp

Filesize
684KB

Download
memory/2372-66-0x0000000006FC0000-0x000000000706B000-memory.dmp

Filesize
684KB

Download