942fda24f1aa24508559b824f04d53615d61f54c93f05a7fb58045c7bd6bafe6

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 04:10

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General

Target

uninstall.exe
Size

63KB
MD5

c9b44ba96847e330809e84c87b547547
SHA1

2fb9bd5c58d39fc6805354079e10b67e14a19092
SHA256

1cb1ec756b867af8710dd4d3bfd4c0f4197028fbf32906bc623d2a7023c82f5d
SHA512

48e06593fc4c5b1f39d733c23da87cf7aa9ddee56d2de586316d6f846c0322b3d0f49edd365227a360aef23fb1aec3da781b057894296337d0796aeae5b09015
SSDEEP

768:Ub4s6pIH65JbQRY63LVCIvFAUKWO95EnNz0D3VFS6sWkJQxOQc142FtWwSICP8nc:ijLaMv3xnCwNz0DxkJDQcREYRNmO+OCN

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2524	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2312	uninstall.exe
2524	Au_.exe
2524	Au_.exe
2524	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/0x000b00000001560f-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2524	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2524	2312	uninstall.exe	28
PID 2312 wrote to memory of 2524	2312	uninstall.exe	28
PID 2312 wrote to memory of 2524	2312	uninstall.exe	28
PID 2312 wrote to memory of 2524	2312	uninstall.exe	28
PID 2312 wrote to memory of 2524	2312	uninstall.exe	28
PID 2312 wrote to memory of 2524	2312	uninstall.exe	28
PID 2312 wrote to memory of 2524	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:2524

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
63KB

MD5
c9b44ba96847e330809e84c87b547547

SHA1
2fb9bd5c58d39fc6805354079e10b67e14a19092

SHA256
1cb1ec756b867af8710dd4d3bfd4c0f4197028fbf32906bc623d2a7023c82f5d

SHA512
48e06593fc4c5b1f39d733c23da87cf7aa9ddee56d2de586316d6f846c0322b3d0f49edd365227a360aef23fb1aec3da781b057894296337d0796aeae5b09015

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