314e7335c97f90ea32c8a04c3490587947bbe549338f96ba7e210e7f45527437

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-06-2024 17:51

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General

Target

uninst.exe
Size

65KB
MD5

9441d6915ef048a2dfd3e05fd6e78a83
SHA1

32b07835a24dd627c643bd185bb005ef44dd0e59
SHA256

e17fc60e92bd169785257d692be15a9a735bdcd163c655db0c9b58f29258eeeb
SHA512

76007f695f2c52021f2fa8115a1b93b24965d009db2a1566f30c31a2bd5db5d6a51e850eb114f94fe681198c2a7716c5b94c7a3992acc505a10c7b30b272177c
SSDEEP

1536:VQpQ5EP0ijnRTXJzEBhHRtBlTo0dfUAFhdZ:VQIURTXJCRlTFdhn

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2996	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2664	uninst.exe
2996	Au_.exe
2996	Au_.exe
2996	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
behavioral23/files/0x0005000000019241-2.dat	nsis_installer_1
behavioral23/files/0x0005000000019241-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2996	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2996	2664	uninst.exe	28
PID 2664 wrote to memory of 2996	2664	uninst.exe	28
PID 2664 wrote to memory of 2996	2664	uninst.exe	28
PID 2664 wrote to memory of 2996	2664	uninst.exe	28
PID 2664 wrote to memory of 2996	2664	uninst.exe	28
PID 2664 wrote to memory of 2996	2664	uninst.exe	28
PID 2664 wrote to memory of 2996	2664	uninst.exe	28

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2664
- 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:2996

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
65KB

MD5
9441d6915ef048a2dfd3e05fd6e78a83

SHA1
32b07835a24dd627c643bd185bb005ef44dd0e59

SHA256
e17fc60e92bd169785257d692be15a9a735bdcd163c655db0c9b58f29258eeeb

SHA512
76007f695f2c52021f2fa8115a1b93b24965d009db2a1566f30c31a2bd5db5d6a51e850eb114f94fe681198c2a7716c5b94c7a3992acc505a10c7b30b272177c

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