742b7f6f9540d326cc531b10eee061dbe0bcb385ff1e0d6c854f6b1944be7a4c

Analysis

max time kernel
30s
max time network
26s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 01:27

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General

Target

CtsJrk922yCsVz5Ft2hu.dll
Size

136KB
MD5

025ef85aa978697c32e03486dcea78bb
SHA1

aed8d9e8f56679591d73ee96db9463db3fbf1feb
SHA256

16dcd685d0210a0bf7378bbfac6cef7514fa4eec93968708801dae28f243be5f
SHA512

350995d0c1207130dc55b706f400639afd3f608428a45e1754964224d17d7bc9daba6a49bf9f1b787575c6045ba1fbfc30ae41531c8c2ce538da987e0307b367
SSDEEP

3072:euv02y7DXxgppeKwgBSRint5ceZzHkmFIlxe40RkL:ec4ELwgARwt5ceXFIlxrJL

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3400	4356	WerFault.exe	85

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 1296 wrote to memory of 4356	1296	rundll32.exe	85
PID 1296 wrote to memory of 4356	1296	rundll32.exe	85
PID 1296 wrote to memory of 4356	1296	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CtsJrk922yCsVz5Ft2hu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CtsJrk922yCsVz5Ft2hu.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 640
    3⤵
    - Program crash
    PID:3400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4356 -ip 4356
1⤵
PID:1376

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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