d49877b56eae195a92a251b8a2323f9271c5d1258c8671d26e03ee44425c0478

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 16:54

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General

Target
Data/Python/Lib/site-packages/numpy/core/tests/test_api.pyc
Size 14KB
Sample240224-vez2qagh38
SHA256 af3b22ef9b6955c83e33eb81dc343e09008ad733e82e34f482a3b7aa63cdda2b
MD5 6ff9e6c27f12315d7b0d6a145fdda567
SHA1 85ba2385296538e84691757316a09bd4db84e317
SHA512 a1f53750524c75aa224d6da664ff90a62eeaae9e04420f792b2733f8bb2f3706d755c326121a095fdb98db63e0513d59cdad4d2f0026a20a813346b5f3dbe266
SSDEEP 384:8UfMLH+hMfMspRCK7Gi7lIibTwmj8N/rYghF:pfYH+h2Ms/5z7lIibTZ81YA
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2616	1968	cmd.exe	29
PID 1968 wrote to memory of 2616	1968	cmd.exe	29
PID 1968 wrote to memory of 2616	1968	cmd.exe	29
PID 2616 wrote to memory of 2528	2616	rundll32.exe	30
PID 2616 wrote to memory of 2528	2616	rundll32.exe	30
PID 2616 wrote to memory of 2528	2616	rundll32.exe	30
PID 2616 wrote to memory of 2528	2616	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Data\Python\Lib\site-packages\numpy\core\tests\test_api.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Data\Python\Lib\site-packages\numpy\core\tests\test_api.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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\Data\Python\Lib\site-packages\numpy\core\tests\test_api.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2528

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 28b2637b8f6db88d782392856d09aeb35e77dd45fd7824f6aaa7763486d8c373
MD5 28d52559ea7e56fa91040de7298c2f45
SHA1 de28fd985b53a7f3fbff766be6a17e1dc58723f7
SHA512 085c8f288de54f7f898c54e102941960a8c82f407415655b2c8ee901984bcd55013585ab338b475219a23b43971364bc8db90cbe88855512b210a97b942cb276
MD5 SHA1 SHA512

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