21a3cf59011f52e4cf5c154a2dd8be6897aebc8359a98d2aeb7cccafed8809a6

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 20:15

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General

Target

21a3cf59011f52e4cf5c154a2dd8be6897aebc8359a98d2aeb7cccafed8809a6.dll
Size

572KB
MD5

4d9cbb23f27bbe912bba216b89781a49
SHA1

f66210d217fd762ed1c3a20bbc4a29f9577bd513
SHA256

21a3cf59011f52e4cf5c154a2dd8be6897aebc8359a98d2aeb7cccafed8809a6
SHA512

71cd956d57d096a067b49d95554ddf5637d2f426c3e0020c37f73449b1d86a0bdde745d541d946ca179460050e81dde23c06e382260079a22a2adcf3ce630d47
SSDEEP

12288:v2LYBdtkjPENebFx3lnj5Lz2oQSy2Vxpf+X2vzKUZe:ekBjpeRlz+wTpf+X2rK

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1816	4884	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 4984 wrote to memory of 4884	4984	rundll32.exe	83
PID 4984 wrote to memory of 4884	4984	rundll32.exe	83
PID 4984 wrote to memory of 4884	4984	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21a3cf59011f52e4cf5c154a2dd8be6897aebc8359a98d2aeb7cccafed8809a6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\21a3cf59011f52e4cf5c154a2dd8be6897aebc8359a98d2aeb7cccafed8809a6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 688
    3⤵
    - Program crash
    PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4884 -ip 4884
1⤵
PID:3112

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

memory/4884-0-0x0000000010000000-0x00000000101A9000-memory.dmp

Filesize
1.7MB

Download
memory/4884-1-0x0000000010000000-0x00000000101A9000-memory.dmp

Filesize
1.7MB

Download
memory/4884-3-0x0000000010000000-0x00000000101A9000-memory.dmp

Filesize
1.7MB

Download