75baa86a709dfb96ae2dfaf3aaa912784529c0973e7372da9095c3385ad20550

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06/08/2024, 12:05

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General

Target
misc.pyc
Size 4KB
Sample240806-n89ppasepc
SHA256 a8355eef70645468d11a410d1402e0cab31a194e87172b523b1ff3dea5dbb0c2
MD5 204ee497021e32209ddde0c015b4dc19
SHA1 6aa2c039e6b6fbfb3620d4fe42d115553702146b
SHA512 961b15c0efe0478fdf9287e7b3b709233bcd9524be708f426b75dc91eb07ddfc2a2ce4f347d52a3e7402f5307ab755af093d660662fd3c4c465fd41e8d138d12
SSDEEP 96:ySMlhlv6KPDweHPF8+VB7sHIZGhIW0vmyyZ1k93hub:LolvJ0evq+VBXZGh4vmV1kFhub
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2760	AcroRd32.exe
2760	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2788	1740	cmd.exe	31
PID 1740 wrote to memory of 2788	1740	cmd.exe	31
PID 1740 wrote to memory of 2788	1740	cmd.exe	31
PID 2788 wrote to memory of 2760	2788	rundll32.exe	33
PID 2788 wrote to memory of 2760	2788	rundll32.exe	33
PID 2788 wrote to memory of 2760	2788	rundll32.exe	33
PID 2788 wrote to memory of 2760	2788	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\misc.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\misc.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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\misc.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 261f4a87ba0c9e05e35eba5bab8e4ddbf87e049764e946ea2c9c92d7e854d187
MD5 7056de6686f552f07f5fd2a30c684f13
SHA1 ce20daf638b20e2d35f77f5f8481feb149bfd0a2
SHA512 01d400624995fcda2e68dad8e4cea3321e6979c03ea272ec180eecc6a28b8d8a307e2db1cb0db9e36194ab2b78cfebfede86c88d59870d02b00f50c3d68daa06
MD5 SHA1 SHA512

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