660d63fb00fa5f47737a5b22014f8bdf22080722ac16da61216caa5e99210b65

Analysis

max time kernel
93s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 23:43

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General

Target

$PLUGINSDIR/rrkssezi.dll
Size

20KB
MD5

0b9de97b386a1a82cee5d3e059b7ec9b
SHA1

cc730fba70941afa39a9827fea215c9f099a6d01
SHA256

ad29dd53baa1e19fe4cacd99b9dea3b6e7fba8c6d89fe0492244de4414948e21
SHA512

b36cef8eb5fdf990ed79fd718a250e6f736e585516b4cfc97b7a0aba6f254e8997d8cf0262b0f4a894dc91e13c2b22aaa1eac554c2e23c42e50e8bc2fae3ad3d
SSDEEP

384:cYwn4GqWlh1i9E8LB2T35YjzYDYp0fRBtsoudoq0HNyp:7wnskhU6tTuYkpoudohy

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1360	2244	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 4336 wrote to memory of 2244	4336	rundll32.exe	83
PID 4336 wrote to memory of 2244	4336	rundll32.exe	83
PID 4336 wrote to memory of 2244	4336	rundll32.exe	83
PID 2244 wrote to memory of 2212	2244	rundll32.exe	84
PID 2244 wrote to memory of 2212	2244	rundll32.exe	84
PID 2244 wrote to memory of 2212	2244	rundll32.exe	84
PID 2244 wrote to memory of 2212	2244	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\rrkssezi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\rrkssezi.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\rrkssezi.dll,#1
    3⤵
    PID:2212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 728
    3⤵
    - Program crash
    PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2244 -ip 2244
1⤵
PID:2524

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/2244-0-0x00000000022A0000-0x00000000022A2000-memory.dmp

Filesize
8KB

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