f8e145b1e3ac2efc14f773586317dd40e7988afa3abbc7dfa494a1bf17a43e4b

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
02/09/2023, 04:09

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General

Target

pyarmor_runtime_005250/__init__.py
Size

101B
MD5

8be56f827fe98f027f0725e96c782207
SHA1

310d0d883255939aa52a7baa16cc8eaa0210e77c
SHA256

e4a523e5c4aced2df89e77928b68f840ac2ba2fdafae63844009434a257e304b
SHA512

a2d0cb9fed5ccd291024c535ed19c44f771ee0e5dec7804e7bf09629697eba93384f6d95951b47a3519a4bdb9a9178d7573a8355dd68abcc0c8e989ce0a005c5

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-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_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-1-5-21-3750544865-3773649541-1858556521-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2796	2260	cmd.exe	29
PID 2260 wrote to memory of 2796	2260	cmd.exe	29
PID 2260 wrote to memory of 2796	2260	cmd.exe	29
PID 2796 wrote to memory of 2712	2796	rundll32.exe	30
PID 2796 wrote to memory of 2712	2796	rundll32.exe	30
PID 2796 wrote to memory of 2712	2796	rundll32.exe	30
PID 2796 wrote to memory of 2712	2796	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\pyarmor_runtime_005250\__init__.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\pyarmor_runtime_005250\__init__.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2796
- - 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\pyarmor_runtime_005250\__init__.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2712

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
56ae1a2718ebad7cba4c1a47ab9567ff

SHA1
170d691d44fdf506bce4ba3aa06675319286a987

SHA256
a8d05488129af34a688a47fdfc66779d04d45ac422e447fe77daf607b02df991

SHA512
f576bc58ac82f2efd895463d5cd6aac8f219d6b6c8541c3cab97691450938be523a1f517e55ffbdb4166da43808984a13d3d94ee73e46e883ef0e27a018931bf

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