30df806899294c73c96fca0094246dd528e4ea1221b2bf3d5f54951e2f7c88b9

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 10:49

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General

Target

30df806899294c73c96fca0094246dd528e4ea1221b2bf3d5f54951e2f7c88b9.dll
Size

395KB
MD5

84649a849bbb1a9a4fdce85adb09d2ab
SHA1

84492e8462ee299b9fc1306d7468c32fd371038b
SHA256

30df806899294c73c96fca0094246dd528e4ea1221b2bf3d5f54951e2f7c88b9
SHA512

36cbeffda889e54e8e522ca463755c73da451ccb9cc4a29d9f4bdafdec8cad9c4b0c0ade81fc2ebe345cf96cb8933a006fafd01d2a9ed9f63c1a24c577276e7b
SSDEEP

6144:j0IEu0/l7rUdoqWMvjcw3sWSAoITM+NPUHFWnEh9rn9/rvKlJd:679qXvjRc5AoIY+NPUlWnYd9/rU

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2748	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2704	rundll32.exe
2704	rundll32.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe
2716	WerFault.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	2748	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2704	2156	rundll32.exe	30
PID 2156 wrote to memory of 2704	2156	rundll32.exe	30
PID 2156 wrote to memory of 2704	2156	rundll32.exe	30
PID 2156 wrote to memory of 2704	2156	rundll32.exe	30
PID 2156 wrote to memory of 2704	2156	rundll32.exe	30
PID 2156 wrote to memory of 2704	2156	rundll32.exe	30
PID 2156 wrote to memory of 2704	2156	rundll32.exe	30
PID 2704 wrote to memory of 2748	2704	rundll32.exe	31
PID 2704 wrote to memory of 2748	2704	rundll32.exe	31
PID 2704 wrote to memory of 2748	2704	rundll32.exe	31
PID 2704 wrote to memory of 2748	2704	rundll32.exe	31
PID 2748 wrote to memory of 2716	2748	rundll32mgr.exe	32
PID 2748 wrote to memory of 2716	2748	rundll32mgr.exe	32
PID 2748 wrote to memory of 2716	2748	rundll32mgr.exe	32
PID 2748 wrote to memory of 2716	2748	rundll32mgr.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\30df806899294c73c96fca0094246dd528e4ea1221b2bf3d5f54951e2f7c88b9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\30df806899294c73c96fca0094246dd528e4ea1221b2bf3d5f54951e2f7c88b9.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2748
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 156
      4⤵
      Loads dropped DLL
      Program crash
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\rundll32mgr.exe

Filesize
59KB

MD5
0e0f0ae845d89c22bb6385f64a6b85fd

SHA1
0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

SHA256
5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

SHA512
baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

Download Submit
memory/2704-0-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download
memory/2704-3-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download
memory/2704-1-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download