ad4fad7041437165a835858801b8aed8586bcd50647473c57dcb14b54e52178b

Analysis

max time kernel
436s
max time network
1157s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
25-11-2024 07:50

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General

Target

$PLUGINSDIR/BgWorker.dll
Size

13KB
MD5

8401375a531d44e40b02c0739acf13ec
SHA1

2937b881c4a1ceed819dfbe604315e2c1c320e77
SHA256

d46ab59420f1eed08f2b4e93d9a2feb0986a5df703e33be0a739b0347c7dd618
SHA512

f5bc08b540508b152a4cf0bbe05a1d0c0a82bd512ca59e83d4290ad078f3b4368caa57deac85de42c1b945ec3b908a5b3a7dc863a017801479437595834863d7
SSDEEP

192:t9Hsl/C6kSDnicMBT6iiXtIp5F1/wfT/5QyrWrMIoWSx++Xa21R4way:r6ki2/iunF1/wfT3ir2WSx7bL4way

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4316	3252	WerFault.exe	79

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 560 wrote to memory of 3252	560	rundll32.exe	79
PID 560 wrote to memory of 3252	560	rundll32.exe	79
PID 560 wrote to memory of 3252	560	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgWorker.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:560
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgWorker.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3252
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 460
    3⤵
    - Program crash
    PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3252 -ip 3252
1⤵
PID:1260

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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