b4cb7a73c0b36c74df8b4cb6ee6a49e6963c803a31356514ca4b5f04e7610467

Analysis

max time kernel
94s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 18:41

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General

Target

$APPDATA/$_39_/$APPDATA/$_39_/userid.dll
Size

14KB
MD5

7edcf09fff892acfa195ca949290083a
SHA1

f1b1ca3f4275382135d44800294a7916d28075e1
SHA256

74b4d4d05593eb9f0e917f57097c4238e9e29291572d0c1d6f210b266759bdc7
SHA512

eb0259d583f8fdb2131917cef2fff0461def89a943bba788530ee1d8fe562b635e095365bd57df169ee9bcb6421feba66b82f6ceccfbea5d7bb6b01009943769
SSDEEP

192:7vscbCEX33AvJuHRsvqtHEOE5jMcIR0RKkDe49Z6Yq1e8V6hPnD+eoff:LzHmFvqtIZMpREtq49IYQe86hWX

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3356	1916	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 3 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 1916	1556	rundll32.exe	82
PID 1556 wrote to memory of 1916	1556	rundll32.exe	82
PID 1556 wrote to memory of 1916	1556	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$APPDATA\$_39_\$APPDATA\$_39_\userid.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$APPDATA\$_39_\$APPDATA\$_39_\userid.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 600
    3⤵
    - Program crash
    PID:3356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1916 -ip 1916
1⤵
PID:1780

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/1916-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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