72f7f1ee6be909ed9dc15fec960ab1a38d18367f3fc4f454c2a6caa63edc44be

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 15:51

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General

Target

uninst.exe
Size

53KB
MD5

839358b778eeab84bc79f1b4e1413078
SHA1

67d1c6b2c52823a69ea01c382a4734fe583b372d
SHA256

a72b28b7eac88a3b20f93399db5ede78d6568badbca0f6e38da5afe6d0f89c54
SHA512

dae7015d1fbc6cfc261bfef5fee2e26990f7833756d5c98baaab437cd32a855d1152e7433941aa51b48e7ee6eaa9ac6aed21b254ccf8d9bd7a89de4af7351550
SSDEEP

768:S1cVhpQI2EQK0iPDh84nScF15GYbWjXO3XJtMN51G655sh+RfuLbCt2uHEfRjyrT:wQpQ5EP0ijnRTXJ2DX5w+RfuU2fReYa

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5820	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
5820	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
behavioral24/files/0x0007000000023229-4.dat	nsis_installer_1
behavioral24/files/0x0007000000023229-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 5820	3212	uninst.exe	87
PID 3212 wrote to memory of 5820	3212	uninst.exe	87
PID 3212 wrote to memory of 5820	3212	uninst.exe	87

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3212
- 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
  PID:5820

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

C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
53KB

MD5
839358b778eeab84bc79f1b4e1413078

SHA1
67d1c6b2c52823a69ea01c382a4734fe583b372d

SHA256
a72b28b7eac88a3b20f93399db5ede78d6568badbca0f6e38da5afe6d0f89c54

SHA512
dae7015d1fbc6cfc261bfef5fee2e26990f7833756d5c98baaab437cd32a855d1152e7433941aa51b48e7ee6eaa9ac6aed21b254ccf8d9bd7a89de4af7351550

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