901ae12c262443bc08b64a5f37ca6616b2405771ba218167a1a2cfd6f107b55f

Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/04/2024, 01:37

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General

Target

stroop-master/stroop.py
Size

16KB
MD5

b4c692040918dec48f79067244a596de
SHA1

6d60132603baecb3e99d4840d8e5d7de12089c20
SHA256

405fc228e99bfe1807b75a92e505d1023e4bf865d2909996a756d96de8323537
SHA512

931975dcf7ff459545a796594cc5f27ed853376685db71ec189850fdb8126d89de4fb22d8c16c1c75dfdca1c3a8e3589b82b8ab742270075d943cd5999c3d498
SSDEEP

384:0HiTOzL3poPCmel3873XQs0efdsbXhAPHPWWSr1zaK:0CizyCmep873XQ5efWbXh6H+WSrJx

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2680	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2680	AcroRd32.exe
2680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2612	2248	cmd.exe	29
PID 2248 wrote to memory of 2612	2248	cmd.exe	29
PID 2248 wrote to memory of 2612	2248	cmd.exe	29
PID 2612 wrote to memory of 2680	2612	rundll32.exe	30
PID 2612 wrote to memory of 2680	2612	rundll32.exe	30
PID 2612 wrote to memory of 2680	2612	rundll32.exe	30
PID 2612 wrote to memory of 2680	2612	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\stroop-master\stroop.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\stroop-master\stroop.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2612
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\stroop-master\stroop.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2680

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\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
190dd12ee748221a0220960f40a363a7

SHA1
49d4624086bbe08ec443725be39c0246ef130e33

SHA256
7e94709a7ffe07a5ae2cfb97a43ddcef57acff58a0af54741e27ed960a64e03c

SHA512
4cca67c15cf99ae1cd48bdd190df702b8ca2082d21b4b31df47108dbf756dcd2b573ebd189c96098cbf4a9bf323c7befddfc30ab4e614ccddb83283e0b265a71

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