5c9f078e9a4f15bda5af2ed8aed826ecfd3e2af0d36458a0a582df8455a23e38

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
03/05/2024, 09:28

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General

Target

Uninstall.exe
Size

58KB
MD5

ed0c54013de9ebdb008732b7839e96c6
SHA1

4752a355df756f1e1cf0286dec6f34bd6c452d90
SHA256

748cd532da3394957238ca58a9b8d3881ed17aaf8579641a71ba01ecf4d9876e
SHA512

a1b701161c9ab72a9569db76c2779f73961dac1afcea97551ba251db0a853f48648cbf74eed9572bc5eecf0c9d145fb89dd5abf97108f899e037a3a8d7073fd3
SSDEEP

1536:apgpHzb9dZVX9fHMvG0D3XJYgDagLeAyN/uYff2r:YgXdZt9P6D3XJYpceAfAOr

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3056	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	Uninstall.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
behavioral21/files/0x000a00000001329e-2.dat	nsis_installer_1
behavioral21/files/0x000a00000001329e-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3056	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 3056	2204	Uninstall.exe	28
PID 2204 wrote to memory of 3056	2204	Uninstall.exe	28
PID 2204 wrote to memory of 3056	2204	Uninstall.exe	28
PID 2204 wrote to memory of 3056	2204	Uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3056

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\~nsu.tmp\Au_.exe

Filesize
58KB

MD5
ed0c54013de9ebdb008732b7839e96c6

SHA1
4752a355df756f1e1cf0286dec6f34bd6c452d90

SHA256
748cd532da3394957238ca58a9b8d3881ed17aaf8579641a71ba01ecf4d9876e

SHA512
a1b701161c9ab72a9569db76c2779f73961dac1afcea97551ba251db0a853f48648cbf74eed9572bc5eecf0c9d145fb89dd5abf97108f899e037a3a8d7073fd3

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