2ab9e22c7ab06ab9e6978fed97a0346340bb34b8188138740b4d7a5f84a163ba

Analysis

max time kernel
94s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 20:58

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General

Target

$PLUGINSDIR/fqfwqcrlvs.dll
Size

48KB
MD5

2dcfaed029e76d404de8c562e9618fc3
SHA1

ad586f14bf71ea471905da2e424e872432f60d5e
SHA256

54e000d6cbf51dbda212135ecaeae42da9bbd5e4d42bfe472c1df975308ef4ec
SHA512

953da849e7f926ff617a9aca550bda7693b66a58a86da4ae202d4423a926a0d0adfaf7331d9ca113f0f5c867ebaa703f467b642e2ac3735ba811868cebf0427a
SSDEEP

768:n/7Fk2J334zzF1UJ+Eyp/VBdnU/4tK+Fg4JvXQxkAUQxg9q:n/7XVIzzF12+EsdnW4I+FJJ/Qx0lq

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	3440	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 7 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 3440	1136	rundll32.exe	83
PID 1136 wrote to memory of 3440	1136	rundll32.exe	83
PID 1136 wrote to memory of 3440	1136	rundll32.exe	83
PID 3440 wrote to memory of 608	3440	rundll32.exe	84
PID 3440 wrote to memory of 608	3440	rundll32.exe	84
PID 3440 wrote to memory of 608	3440	rundll32.exe	84
PID 3440 wrote to memory of 608	3440	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fqfwqcrlvs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fqfwqcrlvs.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3440
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fqfwqcrlvs.dll,#1
    3⤵
    PID:608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 740
    3⤵
    - Program crash
    PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3440 -ip 3440
1⤵
PID:4892

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/3440-0-0x000000007547C000-0x000000007547E000-memory.dmp

Filesize
8KB

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