6f67b70be9736b65f275f7d7f989174e4e999e259087097dbca0cf2bbdc7eced

Resubmissions

21/03/2025, 22:06

250321-1z831svnx7 10

Analysis

max time kernel
33s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21/03/2025, 22:06

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General

Target

Stub.pyc
Size

875KB
MD5

26f39a8eb6de5cc3f75c06854e8f4b2b
SHA1

2ee1e427a9509eaf8d41a1d1dabec57b58d8719a
SHA256

1eb5198213b7df187db5151666d763ce070b49eaf9a84c826ff100bfe64af5e0
SHA512

58e4108b4a2066b1cde7fc6dc24b317f1c0cf70ff922831494f3393b9341c0725153133d45973100211ed09da7cf5d29920af891fcb553d64371f34bd1eb977f
SSDEEP

12288:zVhjCvg8g6wuXTIXzSOTjX9XpGrmVWbP8Ujv7xwgBAu7GdPn+C+OnE:JhjCvg8vHOThX8rmM8qqgBn7GVn+CJE

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2788	2060	cmd.exe	30
PID 2060 wrote to memory of 2788	2060	cmd.exe	30
PID 2060 wrote to memory of 2788	2060	cmd.exe	30
PID 2788 wrote to memory of 2808	2788	rundll32.exe	31
PID 2788 wrote to memory of 2808	2788	rundll32.exe	31
PID 2788 wrote to memory of 2808	2788	rundll32.exe	31
PID 2788 wrote to memory of 2808	2788	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stub.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Stub.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\Stub.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2808

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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
ffa68698e7c7c85376fb9d65629de473

SHA1
cb270694e714803d93ddb3c084efb83bccdd32dc

SHA256
1ef51eeb379d14c3232a6dd95fd95f43b386bf764a0c9ba26669cd7485d03beb

SHA512
89c2f999f649ec8559f377e42d2ad1842bec10a30079639f4e818fa1b6bea9cfb4c56f98f9da01fdb447586da6481397e6d45a5a40da00d3726ab8f1e832284d

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