12e576f977f74152cdf32cdfd8ea6904e3728f69a4c67bf30f449d6a0623ea41

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 19:54

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General

Target
$PLUGINSDIR/srrk.dll
Size 99KB
Sample241121-ymst6azpfp
SHA256 7b153187b30e47fda2f39d2621c04dded4e6776fabbebf5cc6a6a157a8324c02
MD5 a3caa7e8895fb8eccc4cfc84c2f37283
SHA1 0c10231f8b45a1f6d9037fab396310a35fc572c5
SHA512 b96bdf0909a777ff559d31ac0600a5bbf90fcfa322232b4818ee275a2fda7638c4d06cb493f746a79e30367400ce2d252c46918e3dfbed851be81d1399b42c16
SSDEEP 1536:3pnXZ18vqXVzM4Ne15d1/LcIbUfsjsQ1uUYdYcj8Z:3pXZOIzM40FXV1WfjM
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
844	2060	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 4316 wrote to memory of 2060	4316	rundll32.exe	83
PID 4316 wrote to memory of 2060	4316	rundll32.exe	83
PID 4316 wrote to memory of 2060	4316	rundll32.exe	83
PID 2060 wrote to memory of 2492	2060	rundll32.exe	84
PID 2060 wrote to memory of 2492	2060	rundll32.exe	84
PID 2060 wrote to memory of 2492	2060	rundll32.exe	84
PID 2060 wrote to memory of 2492	2060	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\srrk.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\srrk.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\srrk.dll,#1
    3⤵
    PID:2492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 772
    3⤵
    - Program crash
    PID:844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2060 -ip 2060
1⤵
PID:2932

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

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Downloads

memory/2060-0-0x0000000074ED7000-0x0000000074ED9000-memory.dmp

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