c9549188a883c695f762d2af10e33868ce431ab96537bde6e81824364f5d4f89

Analysis

max time kernel
96s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2024, 14:17

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General

Target

$PLUGINSDIR/gtrvk.dll
Size

5KB
MD5

3627e0a769af64650e5ce46db6bb0532
SHA1

e203eaa9b1ad5d324af6696f5d1a62cd58e3513a
SHA256

a5699137065d3f0f5a26372a17eecc76905599435d866608f10c38760eb43e52
SHA512

044cb6198c848e4edd870fc9a5647e6a4644753986f2557da0babb0c9004ca14031b93c4db92d84754a297619bb87bdb6f847a3887c037180df4603583b908d1
SSDEEP

96:q6nmydg7sZIu+kYVz2LIu+3PSehGfZSfl59CC:B1dvIH+I+e6AfR

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4800	2176	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 4944 wrote to memory of 2176	4944	rundll32.exe	82
PID 4944 wrote to memory of 2176	4944	rundll32.exe	82
PID 4944 wrote to memory of 2176	4944	rundll32.exe	82
PID 2176 wrote to memory of 4008	2176	rundll32.exe	83
PID 2176 wrote to memory of 4008	2176	rundll32.exe	83
PID 2176 wrote to memory of 4008	2176	rundll32.exe	83
PID 2176 wrote to memory of 4008	2176	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gtrvk.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gtrvk.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\gtrvk.dll,#1
    3⤵
    PID:4008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 636
    3⤵
    - Program crash
    PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2176 -ip 2176
1⤵
PID:3080

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/2176-0-0x00000000008D0000-0x00000000008D2000-memory.dmp

Filesize
8KB

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