ed71cd9ff18c0b4d79ded9c8798e5c99de85986a30a46ad25f40c4e8d6f0ce23

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 23:56

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General

Target

250103/rmod.sh
Size

1KB
MD5

05612e856bdf17cfd379adf38241e581
SHA1

b1dc7e7d92cb26aa6001992e46b1a11672e6ae41
SHA256

6aeb240278be4c2ab48d1609c74cc3b8b6d49eb46d10cd1cd885ec1c64f7a8fd
SHA512

b6d1bd9463be50975c1f2f1815496f861b87a08e831b4a538b9aa3ff4e543068a9d4b2cfac3bdd4c97fe29bab5c14f2470ffe4d9c71a8a4372163606e2c2c7b0

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-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2976	AcroRd32.exe
2976	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2192	2532	cmd.exe	32
PID 2532 wrote to memory of 2192	2532	cmd.exe	32
PID 2532 wrote to memory of 2192	2532	cmd.exe	32
PID 2192 wrote to memory of 2976	2192	rundll32.exe	33
PID 2192 wrote to memory of 2976	2192	rundll32.exe	33
PID 2192 wrote to memory of 2976	2192	rundll32.exe	33
PID 2192 wrote to memory of 2976	2192	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\250103\rmod.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\250103\rmod.sh
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2192
- - 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\250103\rmod.sh"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2976

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
f268510bc8eb60f7500aab68da8047aa

SHA1
2c5a2489ae713a452f3c4b0816c304d2b461b23c

SHA256
f63e983f4c67b0ea6b93d08655b6596fe45e0f81254f70d078b2fe8da7dc7b2c

SHA512
a3b916c710b6c15072422dd36331f7d6f5a2697ea91d3f168f4894b8e22e5055a112ec974114e276021df39998b88160e4a1142888fbc379369c7c4d353ea33c

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