383d758b111ebf7255078b12d04f9f0e39ea4f85733563344754cbaad4bf0581

Analysis

max time kernel
95s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/10/2024, 01:27

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General

Target
$PLUGINSDIR/System.dll
Size 11KB
Sample241008-bvb52ssalk
SHA256 fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce
MD5 4d3b19a81bd51f8ce44b93643a4e3a99
SHA1 35f8b00e85577b014080df98bd2c378351d9b3e9
SHA512 b2ba9c961c0e1617f802990587a9000979ab5cc493ae2f8ca852eb43eeaf24916b0b29057dbff7d41a1797dfb2dce3db41990e8639b8f205771dbec3fd80f622
SSDEEP 192:BPtkumJX7zB22kGwfy0mtVgkCPOse1un:u702k5qpdseQn
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3212	4792	WerFault.exe	81

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 1788 wrote to memory of 4792	1788	rundll32.exe	81
PID 1788 wrote to memory of 4792	1788	rundll32.exe	81
PID 1788 wrote to memory of 4792	1788	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 612
    3⤵
    - Program crash
    PID:3212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4792 -ip 4792
1⤵
PID:3204

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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