6908e3fd28d9dfe62442d36ea4e22a2edb187768a06ca94ccd7bf005a796c3b8

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09-07-2024 19:55

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General

Target

uninstall.exe
Size

60KB
MD5

eb7567dc1a4c537c125a1a669f896c2f
SHA1

0f76e368a708c5325c5747ac6b7f1a80ba2e49d6
SHA256

228342ced3ea271798c2ee8347d2fe1b469913fb9f92ddbff1beeed936d0d9ef
SHA512

c82361c2ff9e4b1c2bf546e74035fdaff756fcd59c197d188586689c6f012a0bd591f4d9800a8f03917e1c12ecabd5f33c8f382d75d3acb84a7291d11a8be4aa
SSDEEP

1536:2pgpHzb9dZVX9fHMvG0D3XJ3gdLeAyN/YO4kLV/S:cgXdZt9P6D3XJ3ceAi4kZ/S

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1156	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1460	uninstall.exe
1156	Au_.exe
1156	Au_.exe
1156	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
behavioral9/files/0x0005000000019368-2.dat	nsis_installer_1
behavioral9/files/0x0005000000019368-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1156	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 1156	1460	uninstall.exe	30
PID 1460 wrote to memory of 1156	1460	uninstall.exe	30
PID 1460 wrote to memory of 1156	1460	uninstall.exe	30
PID 1460 wrote to memory of 1156	1460	uninstall.exe	30
PID 1460 wrote to memory of 1156	1460	uninstall.exe	30
PID 1460 wrote to memory of 1156	1460	uninstall.exe	30
PID 1460 wrote to memory of 1156	1460	uninstall.exe	30

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:1460
- 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
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1156

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
60KB

MD5
eb7567dc1a4c537c125a1a669f896c2f

SHA1
0f76e368a708c5325c5747ac6b7f1a80ba2e49d6

SHA256
228342ced3ea271798c2ee8347d2fe1b469913fb9f92ddbff1beeed936d0d9ef

SHA512
c82361c2ff9e4b1c2bf546e74035fdaff756fcd59c197d188586689c6f012a0bd591f4d9800a8f03917e1c12ecabd5f33c8f382d75d3acb84a7291d11a8be4aa

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