d076a08192d2ca7ec6cbb158c804956ac08d37e17be20d1b37171c87e4c39641

Analysis

max time kernel
141s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 00:55

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General

Target

$PLUGINSDIR/DotNetChecker.dll
Size

815KB
MD5

83b493e0bc0cf1105ce25d9bd5d1c2b9
SHA1

1813bcb2a4384bd2a134bec29bd978f0b5c4e1b4
SHA256

3f7bed61a1f5ad0c0a468363c4f2974c2674fd018ce2aabd40b5a16604c2d4cd
SHA512

3aaccda41b5822d8eca0f8fb01c060151a1a19038c35905c937949491edc803ad7399f71ea7d56fded69394e4abb3f6266b3b3a8bcf644ef4bccb3406e3c2769
SSDEEP

12288:/s3lPW//U+/ViiIuuaOVs51bWMt1wbdKfK3s+TGsNlmH:/O+qsPWMt1wbuKcgNK

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1436	3604	WerFault.exe	84

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 4936 wrote to memory of 3604	4936	rundll32.exe	84
PID 4936 wrote to memory of 3604	4936	rundll32.exe	84
PID 4936 wrote to memory of 3604	4936	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\DotNetChecker.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\DotNetChecker.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 612
    3⤵
    - Program crash
    PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3604 -ip 3604
1⤵
PID:4824

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/3604-0-0x0000000075000000-0x000000007511C000-memory.dmp

Filesize
1.1MB

Download
memory/3604-1-0x0000000075000000-0x000000007511C000-memory.dmp

Filesize
1.1MB

Download