6bf3767813d931385b5a9cae668e493b86552c0fd16f502a1928cdb16b38945b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 18:29

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General

Target

6bf3767813d931385b5a9cae668e493b86552c0fd16f502a1928cdb16b38945bN.dll
Size

395KB
MD5

a0251fdc7f611fe44ac49e96d54b3ed0
SHA1

3db0ae58d8e2ff49f97106773b822a8d66401728
SHA256

6bf3767813d931385b5a9cae668e493b86552c0fd16f502a1928cdb16b38945b
SHA512

ef90702dfde6108c1c620f87f4e842294f65d302f54ed64863c1032d61e6c2251a5d501550ebd413dcaec9d4b2edc009ef94d68700f73b5777007cf0d63cc294
SSDEEP

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

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2088	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2644	rundll32.exe
2644	rundll32.exe
2320	WerFault.exe
2320	WerFault.exe
2320	WerFault.exe
2320	WerFault.exe
2320	WerFault.exe
2320	WerFault.exe
2320	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
2320	2088	WerFault.exe	32

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 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2248 wrote to memory of 2644	2248	rundll32.exe	31
PID 2644 wrote to memory of 2088	2644	rundll32.exe	32
PID 2644 wrote to memory of 2088	2644	rundll32.exe	32
PID 2644 wrote to memory of 2088	2644	rundll32.exe	32
PID 2644 wrote to memory of 2088	2644	rundll32.exe	32
PID 2088 wrote to memory of 2320	2088	rundll32mgr.exe	33
PID 2088 wrote to memory of 2320	2088	rundll32mgr.exe	33
PID 2088 wrote to memory of 2320	2088	rundll32mgr.exe	33
PID 2088 wrote to memory of 2320	2088	rundll32mgr.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bf3767813d931385b5a9cae668e493b86552c0fd16f502a1928cdb16b38945bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bf3767813d931385b5a9cae668e493b86552c0fd16f502a1928cdb16b38945bN.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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:2088
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 156
      4⤵
      Loads dropped DLL
      Program crash
      PID:2320

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

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Downloads

\Windows\SysWOW64\rundll32mgr.exe

Filesize
59KB

MD5
0e0f0ae845d89c22bb6385f64a6b85fd

SHA1
0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

SHA256
5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

SHA512
baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

Download Submit
memory/2644-1-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download
memory/2644-9-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download
memory/2644-4-0x0000000010000000-0x0000000010069000-memory.dmp

Filesize
420KB

Download