d49877b56eae195a92a251b8a2323f9271c5d1258c8671d26e03ee44425c0478

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 14:55

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General

Target

Data/Python/Lib/site-packages/numpy/_pyinstaller/hook-numpy.pyc
Size

883B
MD5

8928a6af39780e3c2a221cb35f405280
SHA1

cc9cfa3782007aaa5eeb9264959b55fd9aa6fb15
SHA256

0a8ae68bb6304c12ae7d1b428d1d08c6ec82cd60a3efd939ec43de757fc9662e
SHA512

2d38ea5df93746c661c7e52ee2104781dd5a243b4694db8eb7f71f9776e5c6e127637ca7d319fce9f3d3d4cb892e67e77291a391e875c984ee8d950a40e0a396

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_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-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2868	AcroRd32.exe
2868	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2724	2584	cmd.exe	31
PID 2584 wrote to memory of 2724	2584	cmd.exe	31
PID 2584 wrote to memory of 2724	2584	cmd.exe	31
PID 2724 wrote to memory of 2868	2724	rundll32.exe	33
PID 2724 wrote to memory of 2868	2724	rundll32.exe	33
PID 2724 wrote to memory of 2868	2724	rundll32.exe	33
PID 2724 wrote to memory of 2868	2724	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Data\Python\Lib\site-packages\numpy\_pyinstaller\hook-numpy.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2584
- 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\_pyinstaller\hook-numpy.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\_pyinstaller\hook-numpy.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2868

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

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

Filesize
3KB

MD5
1a53e6f58163a55c04cd971ca20adab9

SHA1
574059a006d79b4d76301219ef8f5e5ce212195c

SHA256
688a65c31237b37aa58c9386393161bdcc964061874d6fb1a2838182d7934c62

SHA512
4489bed31eeb9636313b609acc9be3ae6368e97eda845b83f51cbe367ccc591175a7515fcd38ecfd34eaa1d9e1608e34abec51eeb77749eabe34ea0c7477a011

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