1bad7f834a16372b7951ab6511d872d3cf484a427b4adcb73c76d80d6bd2924b

Analysis

max time kernel
102s
max time network
16s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 22:33

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General

Target

Stub.pyc
Size

179KB
MD5

6b56eebbd9a0a458c58859e685ee3735
SHA1

98d9e3d9b4c76a0c214b74c7297d5d8756c08926
SHA256

7156491831b23c48d33ae44a6cd580c767cdaca8d4610fa0af60850a9fdd73c4
SHA512

e06f05aed8cc205772884e496250f7a918dab7782026dd850e0b976d4e8a954569d11f615020d9ba0391816b3f2c953fc9c272cc51f7861772d101c41e5a2864
SSDEEP

3072:KzvEd70+j7Kvi0PbgnoG49EPjVKKug/oMlNEYrHSpynU:Kzvu7tf0PyoG49+KOokN/ypynU

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-1-5-21-2039016743-699959520-214465309-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2448	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2448	AcroRd32.exe
2448	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 1844	1796	cmd.exe	31
PID 1796 wrote to memory of 1844	1796	cmd.exe	31
PID 1796 wrote to memory of 1844	1796	cmd.exe	31
PID 1844 wrote to memory of 2448	1844	rundll32.exe	32
PID 1844 wrote to memory of 2448	1844	rundll32.exe	32
PID 1844 wrote to memory of 2448	1844	rundll32.exe	32
PID 1844 wrote to memory of 2448	1844	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stub.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1796
- 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:1844
- - 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:2448

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
51cbc5843c8a232f8a291b783cf526bc

SHA1
f16e515c820b01ef9be1143cdb04833be61bc386

SHA256
cce3f30d5342594babae4506155729c2892395e6f0de79656b10a9a1d04ddd2b

SHA512
06be3b63540681f3aff5f5e2e5ef44d89bea69a83720eb45a3d2cf3ec14db43a99dc8bf3467c812ebebb80466b9f7659009da88732b570904277ec92fbd4ceac

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