c9f301b4e6c05295793faaeadd2e942593d9259719623e2d6b2970b741ae225f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
16/05/2024, 15:15

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General

Target

src/captcha.py
Size

1KB
MD5

e95ef476df9ee989f85c0ec6bb7181f2
SHA1

71c9be8e5b102f02f6146600337369a119a51c5d
SHA256

cdfbc99fdc18123cc13888207603ddad134e6207eb8bc2015a499dc1b665db2d
SHA512

80a70efbcc506b2a4c23ea6af1c5f88e0e37401044b456fb0a238bf4b2f6453dfe4b09592dff76ef8e466fb4c34b6d83a21643444bced66f0d19a721632c2658

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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2560	AcroRd32.exe
2560	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2516	1972	cmd.exe	29
PID 1972 wrote to memory of 2516	1972	cmd.exe	29
PID 1972 wrote to memory of 2516	1972	cmd.exe	29
PID 2516 wrote to memory of 2560	2516	rundll32.exe	30
PID 2516 wrote to memory of 2560	2516	rundll32.exe	30
PID 2516 wrote to memory of 2560	2516	rundll32.exe	30
PID 2516 wrote to memory of 2560	2516	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\src\captcha.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\src\captcha.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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\src\captcha.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2560

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
1a5c685f1e23ce7a4098aee5cec8fc49

SHA1
f9997a0a18ce1e6f698216f12fd4678c283d07d5

SHA256
2e957018c1367a5ccdb5605909c73889b586a72389f55dcfe911ecc86b5f9bc8

SHA512
4a745d17153a7629828fbbdf6d541abff19e15da5be3db90839ecaa0188b7258cf85b05d510a74c5c9cde5741e92d5f028430d488e55e28ee53ab5ceaf659943

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