5c9f078e9a4f15bda5af2ed8aed826ecfd3e2af0d36458a0a582df8455a23e38

Analysis

max time kernel
139s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
03/05/2024, 09:28

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General

Target
Uninstall.exe
Size 58KB
Sample240503-lfc4xade94
SHA256 748cd532da3394957238ca58a9b8d3881ed17aaf8579641a71ba01ecf4d9876e
MD5 ed0c54013de9ebdb008732b7839e96c6
SHA1 4752a355df756f1e1cf0286dec6f34bd6c452d90
SHA512 a1b701161c9ab72a9569db76c2779f73961dac1afcea97551ba251db0a853f48648cbf74eed9572bc5eecf0c9d145fb89dd5abf97108f899e037a3a8d7073fd3
SSDEEP 1536:apgpHzb9dZVX9fHMvG0D3XJYgDagLeAyN/uYff2r:YgXdZt9P6D3XJYpceAfAOr
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2636	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral22/files/0x000e000000023b64-3.dat	nsis_installer_1
behavioral22/files/0x000e000000023b64-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2636	1724	Uninstall.exe	85
PID 1724 wrote to memory of 2636	1724	Uninstall.exe	85
PID 1724 wrote to memory of 2636	1724	Uninstall.exe	85

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- 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\
  2⤵
  - Executes dropped EXE
  PID:2636

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

Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 58KB
SHA256 748cd532da3394957238ca58a9b8d3881ed17aaf8579641a71ba01ecf4d9876e
MD5 ed0c54013de9ebdb008732b7839e96c6
SHA1 4752a355df756f1e1cf0286dec6f34bd6c452d90
SHA512 a1b701161c9ab72a9569db76c2779f73961dac1afcea97551ba251db0a853f48648cbf74eed9572bc5eecf0c9d145fb89dd5abf97108f899e037a3a8d7073fd3
SSDEEP 1536:apgpHzb9dZVX9fHMvG0D3XJYgDagLeAyN/uYff2r:YgXdZt9P6D3XJYpceAfAOr
MD5 SHA1 SHA512 SSDEEP

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