1a77b488a1800828543b6983bbb531e06bd95b00ea26bc2eeb2994e0f2f60236

Analysis

max time kernel
102s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
23/04/2025, 03:58

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General

Target
$PLUGINSDIR/System.dll
Size 11KB
Sample250423-ejk6cswwbv
SHA256 f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 223bef1f19e644a610a0877d01eadc9e28299509
SHA512 d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03
SSDEEP 192:ex24sihno00Wfl97nH6BenXwWobpWBTtvShJ5omi7dJWjOlESlS:h8QIl972eXqlWBFSt273YOlEz
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5336	5052	WerFault.exe	86

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 2892 wrote to memory of 5052	2892	rundll32.exe	86
PID 2892 wrote to memory of 5052	2892	rundll32.exe	86
PID 2892 wrote to memory of 5052	2892	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 612
    3⤵
    - Program crash
    PID:5336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5052 -ip 5052
1⤵
PID:216

Network

MITRE ATT&CK Enterprise v16

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 v16

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