b4bc33cd161129d154933e83c8435f9020e006b3a4f9b7cd05b5e8637dcea4e3

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 02:42

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General

Target

$PLUGINSDIR/chrmPref.dll
Size

194KB
MD5

6845d147b88de1f005d9c6ebb6596574
SHA1

64523302e2b1e2ee7a31580d2acac852db3c7e45
SHA256

c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e
SHA512

cd4caa6669b5f90ead60579a2e5b01a9cd2d17fd2919651cecda6327acb32e2eb3b9953412c085d50dee89779d2f60df658236fb4c3cc54bed4ae66929590606
SSDEEP

3072:H+PBtVBjFBb/xZQ1VsqijYj8Wc+OYfaimTMIP7hjyhZN2OOsHuVI:H+PBdjFBb/TGzBOoaiGP7hjQE

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2204	1940	WerFault.exe	31

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 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 2436 wrote to memory of 1940	2436	rundll32.exe	31
PID 1940 wrote to memory of 2204	1940	rundll32.exe	32
PID 1940 wrote to memory of 2204	1940	rundll32.exe	32
PID 1940 wrote to memory of 2204	1940	rundll32.exe	32
PID 1940 wrote to memory of 2204	1940	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\chrmPref.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\chrmPref.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 224
    3⤵
    - Program crash
    PID:2204

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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