4b06ec6ebe8bf2c37a99083e8d8f592a99572a4691aad07b22ef16d43de8494f

Analysis

max time kernel
102s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 10:46

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General

Target

Stub.pyc
Size

37.6MB
MD5

f62dfe77cdc349ad6ea458228553e85c
SHA1

6600fa3142a904c6f055a2201ebd17f29ad4b432
SHA256

c605c1ab38bf679a6b9fc20fbaec2cb2581f8fdde54f9443da7335521ac2fc3e
SHA512

facef021d052b7dbbef914cd29b9fd50fcebdeef0106fcc3260f4dd51d0c461955a95b35a2d93a2792c6d33d635854a0bd74adbb717eb0bf745cd25317a458a5
SSDEEP

49152:JIrphtwKYAWwJDlI7bgJLR9MtjoHYbpR1US+txhpSF6wQOmi9Il+Nc2N8wkciYL5:P

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

Processes:

AcroRd32.exe

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

Modifies registry class 1 IoCs

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid	Process
2608	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid	Process
2608	AcroRd32.exe
2608	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 1040 wrote to memory of 2652	1040	cmd.exe	30
PID 1040 wrote to memory of 2652	1040	cmd.exe	30
PID 1040 wrote to memory of 2652	1040	cmd.exe	30
PID 2652 wrote to memory of 2608	2652	rundll32.exe	31
PID 2652 wrote to memory of 2608	2652	rundll32.exe	31
PID 2652 wrote to memory of 2608	2652	rundll32.exe	31
PID 2652 wrote to memory of 2608	2652	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stub.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1040
- 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:2652
- - 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 behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2608

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
a3759b17ca8ba53c92c90f3a9fed03a7

SHA1
fb6ebb51ec4b034a9bde768617af27afb99ab08e

SHA256
38932dfa4730371bb3ed4fd3ae8834a2a7ead5281deb120f86a4fddf16e03ca1

SHA512
3cd39a2470d5b93ccc8a1e1ca2a20e10c39f695544393b58ae59e663998e0d84445d308cb38c5cf4bc792967e1f40504b9c080f99a29e0cacf0594f86c769be2

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