bd7f706554d406bfe8f627cbda77555c6a255f952599f3b22399640fca5a3c9c

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 09:02

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General

Target

$PLUGINSDIR/bssmcg.dll
Size

20KB
MD5

b7240550e69f1fe5d37e59ad792b79bb
SHA1

d3ec1ae9889a3b792fc7ca6c720d3dcdc273bf92
SHA256

b6d65ca328946cac1a89d24c8e45ffed411357c0b51549083c4cf0874b1d231b
SHA512

4996fff77e9683961a7290cfd25d8cbd14edfe5f548d09b645a884e9d9567d0e65366058318c2eeeea0aaf3654dde5be052526445e1fde17d46c416f4ef65599
SSDEEP

384:58sy9SgatMMonfmUmuD+GFu8y8qVtM0nmkrVBrnZ6gdb:58sy96M+UcGFDlqrM0HrVpZ7

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1376	5044	WerFault.exe	82

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 2384 wrote to memory of 5044	2384	rundll32.exe	82
PID 2384 wrote to memory of 5044	2384	rundll32.exe	82
PID 2384 wrote to memory of 5044	2384	rundll32.exe	82
PID 5044 wrote to memory of 3020	5044	rundll32.exe	83
PID 5044 wrote to memory of 3020	5044	rundll32.exe	83
PID 5044 wrote to memory of 3020	5044	rundll32.exe	83
PID 5044 wrote to memory of 3020	5044	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\bssmcg.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\bssmcg.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5044
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\bssmcg.dll,#1
    3⤵
    PID:3020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 716
    3⤵
    - Program crash
    PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5044 -ip 5044
1⤵
PID:4880

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/5044-0-0x0000000075885000-0x0000000075887000-memory.dmp

Filesize
8KB

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