ac24889f515b094fdf81f3d0144fb97357484a5b01bd65ac3e4b68c34b7c28c2

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 07:49

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General

Target

demulsifier.dll
Size

48KB
MD5

0f7f8bae2118868084d406681891e516
SHA1

85c617dda6681684fc43b072d19b84c5814202ae
SHA256

673c5ad011a6b210b5be729f58ec096133db23d09ee29ab8006dd04e0f107321
SHA512

8b30135f51b8b36f24d0170d615610ce8a5c82d0520b16662e2aa9711074996812f57bb9a6d7202c626f6484c82cb72b3467d469cd395423dd9aa21b6dcc24aa
SSDEEP

768:qUQwWHkeTKfAq89CyPdPP+pgIG/8oiK5Dv:TokeTKfm9dP8vRoR

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
704	2580	WerFault.exe	29

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	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2580	2544	rundll32.exe	29
PID 2544 wrote to memory of 2580	2544	rundll32.exe	29
PID 2544 wrote to memory of 2580	2544	rundll32.exe	29
PID 2544 wrote to memory of 2580	2544	rundll32.exe	29
PID 2544 wrote to memory of 2580	2544	rundll32.exe	29
PID 2544 wrote to memory of 2580	2544	rundll32.exe	29
PID 2544 wrote to memory of 2580	2544	rundll32.exe	29
PID 2580 wrote to memory of 704	2580	rundll32.exe	30
PID 2580 wrote to memory of 704	2580	rundll32.exe	30
PID 2580 wrote to memory of 704	2580	rundll32.exe	30
PID 2580 wrote to memory of 704	2580	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\demulsifier.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\demulsifier.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 224
    3⤵
    - Program crash
    PID:704

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

Windows 7 deprecation

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