1c60429eae66f5524dde03f3d5e9f97b38d905a7d0e6c67a2250a10c4b638906

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20-07-2024 23:07

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General

Target

uninst.exe
Size

46KB
MD5

f36e5b566c3c4df4ab10aa1897ce2315
SHA1

8d47387c9c1f3bd5d2ec24f8314a74cd8fe2927d
SHA256

bee05bf816e1f30cc6e221c2161aed7160ea96c8277d82af6ba2b7a98d5b8294
SHA512

57f40ab4558261d30048e8d66d7b1155b0ded7ac923759fe3df3bc66f7ed7366da878198780cbe617c7594f3e44d3032f9212e2a60768c08012ee052e2902916
SSDEEP

768:k1cVhpQI2EQK0iPDh84nScF15GYbWjXO3XJtVpgDduKohiTnt36CkU:CQpQ5EP0ijnRTXJtbgDduK1nF6Y

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1724	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
1724	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1752	uninst.exe
1724	Au_.exe
1724	Au_.exe
1724	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
behavioral19/files/0x00050000000194fc-2.dat	nsis_installer_1
behavioral19/files/0x00050000000194fc-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1724	1752	uninst.exe	30
PID 1752 wrote to memory of 1724	1752	uninst.exe	30
PID 1752 wrote to memory of 1724	1752	uninst.exe	30
PID 1752 wrote to memory of 1724	1752	uninst.exe	30
PID 1752 wrote to memory of 1724	1752	uninst.exe	30
PID 1752 wrote to memory of 1724	1752	uninst.exe	30
PID 1752 wrote to memory of 1724	1752	uninst.exe	30

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:1752
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1724

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
46KB

MD5
f36e5b566c3c4df4ab10aa1897ce2315

SHA1
8d47387c9c1f3bd5d2ec24f8314a74cd8fe2927d

SHA256
bee05bf816e1f30cc6e221c2161aed7160ea96c8277d82af6ba2b7a98d5b8294

SHA512
57f40ab4558261d30048e8d66d7b1155b0ded7ac923759fe3df3bc66f7ed7366da878198780cbe617c7594f3e44d3032f9212e2a60768c08012ee052e2902916

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