3a3ccd72e07241dc8037fa38626058f25767f9f7a78ee68a372632841004ee79

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/07/2024, 03:12

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General

Target

Uninst.exe
Size

61KB
MD5

a23e32558943a21230e150891a314024
SHA1

f4ee54e8935356de28ed2504dee72bc01472a6b2
SHA256

210eca187141a52069831e79e2c22bd5c89111bfc4ddcff0c91bbad290ba4728
SHA512

341858c56ca18a943928215bf0440bc02d94729fea5004ea13beae27fbcfe637629a53dd74d407f30b6513c98c87db3d98cf4a04c67f8afa6b5ba03a7b254bb0
SSDEEP

768:hMEFP4CyxRyQR4Dk1b+/JwwXVPYwitff/ff6FS6sekJkOQc142FtWwSICP8nn3gz:jPJc2WCMNv0kJfQcREYRNgSuD3

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2108	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1484	Uninst.exe
2108	Au_.exe
2108	Au_.exe
2108	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
behavioral11/files/0x0005000000018736-9.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2108	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 2108	1484	Uninst.exe	30
PID 1484 wrote to memory of 2108	1484	Uninst.exe	30
PID 1484 wrote to memory of 2108	1484	Uninst.exe	30
PID 1484 wrote to memory of 2108	1484	Uninst.exe	30
PID 1484 wrote to memory of 2108	1484	Uninst.exe	30
PID 1484 wrote to memory of 2108	1484	Uninst.exe	30
PID 1484 wrote to memory of 2108	1484	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:1484
- 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:2108

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
61KB

MD5
a23e32558943a21230e150891a314024

SHA1
f4ee54e8935356de28ed2504dee72bc01472a6b2

SHA256
210eca187141a52069831e79e2c22bd5c89111bfc4ddcff0c91bbad290ba4728

SHA512
341858c56ca18a943928215bf0440bc02d94729fea5004ea13beae27fbcfe637629a53dd74d407f30b6513c98c87db3d98cf4a04c67f8afa6b5ba03a7b254bb0

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