1247063398e39ec53d3f4330de8f5ce4d040ed5380bc8ba7d18ae4972f766d11

Analysis

max time kernel
16s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 04:27

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General

Target

1247063398e39ec53d3f4330de8f5ce4d040ed5380bc8ba7d18ae4972f766d11N.dll
Size

152KB
MD5

efc18cb8a39c8bdda2c85e8131d490c0
SHA1

3d86a7ff540daa5695101de92f4d3f62e46cd50c
SHA256

1247063398e39ec53d3f4330de8f5ce4d040ed5380bc8ba7d18ae4972f766d11
SHA512

ebf25c3dc222eed6d57e1e0caa46fafd2cd029f57aecf97dad74653d292cdca729e70d6b2dc63f0265633156b93634e5e5bd45a1780f7bd99c0245f0ab939b22
SSDEEP

3072:Cn4cV8gf2u41Z5tKlwjndw2KqUIRmuoF6A:I4y8gOl2KdEqUCmuosA

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2912	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2848	rundll32.exe
2848	rundll32.exe
2788	WerFault.exe
2788	WerFault.exe
2788	WerFault.exe
2788	WerFault.exe
2788	WerFault.exe
2788	WerFault.exe
2788	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
2788	2912	WerFault.exe	29

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 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 1872 wrote to memory of 2848	1872	rundll32.exe	28
PID 2848 wrote to memory of 2912	2848	rundll32.exe	29
PID 2848 wrote to memory of 2912	2848	rundll32.exe	29
PID 2848 wrote to memory of 2912	2848	rundll32.exe	29
PID 2848 wrote to memory of 2912	2848	rundll32.exe	29
PID 2912 wrote to memory of 2788	2912	rundll32mgr.exe	30
PID 2912 wrote to memory of 2788	2912	rundll32mgr.exe	30
PID 2912 wrote to memory of 2788	2912	rundll32mgr.exe	30
PID 2912 wrote to memory of 2788	2912	rundll32mgr.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1247063398e39ec53d3f4330de8f5ce4d040ed5380bc8ba7d18ae4972f766d11N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1247063398e39ec53d3f4330de8f5ce4d040ed5380bc8ba7d18ae4972f766d11N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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:2912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2788

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
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/2848-3-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/2848-1-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/2848-0-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download