bef249e9f84cbcd9e19bdc2b610db4b9f72251cb71d4a99f04597019a43416f7

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 15:01

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General

Target
Uninstall.exe
Size 47KB
Sample240224-sd5jpsfh3w
SHA256 0c376095f33ae2fcdad726e4e65e6153b9c6d6dd33e23727563f5fa7b9e3a7ae
MD5 e8685f7c59e8f05883a9014539939408
SHA1 062b407abd8ba24a616e924aad93fe13a3f4322c
SHA512 54d03227973d45cf2ade8f17a5cd5fb0cd376e2c29f71c00729736f4a6d41e1a53b4f1ba4933ca3b3cef226dfe6899c09943d53f953cc9a053a53ee26302f79f
SSDEEP 768:tb4s6pIH65JbQRY63LVCIvFAUKWO95EnNz0D3VFS6sWkJH+eJRn5Am6kRRJ2iZ3P:BjLaMv3xnCwNz0DxkJeqAELVigL2o
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2204	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2312	Uninstall.exe
2204	Au_.exe
2204	Au_.exe
2204	Au_.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral7/files/0x000c000000013a32-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2204	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2204	2312	Uninstall.exe	28
PID 2312 wrote to memory of 2204	2312	Uninstall.exe	28
PID 2312 wrote to memory of 2204	2312	Uninstall.exe	28
PID 2312 wrote to memory of 2204	2312	Uninstall.exe	28
PID 2312 wrote to memory of 2204	2312	Uninstall.exe	28
PID 2312 wrote to memory of 2204	2312	Uninstall.exe	28
PID 2312 wrote to memory of 2204	2312	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:2312
- 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:2204

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 \Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 47KB
SHA256 0c376095f33ae2fcdad726e4e65e6153b9c6d6dd33e23727563f5fa7b9e3a7ae
MD5 e8685f7c59e8f05883a9014539939408
SHA1 062b407abd8ba24a616e924aad93fe13a3f4322c
SHA512 54d03227973d45cf2ade8f17a5cd5fb0cd376e2c29f71c00729736f4a6d41e1a53b4f1ba4933ca3b3cef226dfe6899c09943d53f953cc9a053a53ee26302f79f
SSDEEP 768:tb4s6pIH65JbQRY63LVCIvFAUKWO95EnNz0D3VFS6sWkJH+eJRn5Am6kRRJ2iZ3P:BjLaMv3xnCwNz0DxkJeqAELVigL2o
MD5 SHA1 SHA512 SSDEEP

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