95604eed6314e16d1becb393e0cc410afa2b260eb4e89e51e9aa9f9cabb203e4

Analysis

max time kernel
129s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 13:19

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General

Target

GrdVkc32.dll
Size

3.6MB
MD5

3fa3fc0a2599b3a161c5a492688d2420
SHA1

b02c2464079b5c7ce4e880f2f44ae98e1a46d63f
SHA256

b8585933da98e3f58b1f083fb7735d52146076ab9739da6c20dffa0ba686d973
SHA512

cd50fa2bfb99129abdbb17a88bdc3875f2d2950accb098b445f9227af50d980d617157ba0b1e4c3f6b491501e9f30b01ee33db48e9f2bc30c23261f40753109c
SSDEEP

49152:IpkLME1oE1FJs1f2tQAz9k5F8NwdREZ1613XoExXe28Qb1RIF2UL4:1h1oEbJs1f2txz9WWGRELAXooXe2v/z

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1084	2000	WerFault.exe	85

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 4032 wrote to memory of 2000	4032	rundll32.exe	85
PID 4032 wrote to memory of 2000	4032	rundll32.exe	85
PID 4032 wrote to memory of 2000	4032	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\GrdVkc32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\GrdVkc32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 584
    3⤵
    - Program crash
    PID:1084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2000 -ip 2000
1⤵
PID:3584

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/2000-0-0x0000000010000000-0x00000000103AE000-memory.dmp

Filesize
3.7MB

Download
memory/2000-1-0x00000000101B8000-0x0000000010242000-memory.dmp

Filesize
552KB

Download
memory/2000-2-0x0000000010000000-0x00000000103AE000-memory.dmp

Filesize
3.7MB

Download