ae2001d5b60a2f0bd8e72c0106363950cd9f68e9ce42b9a40b0af26814908809

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
10-08-2024 07:59

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General

Target

$PLUGINSDIR/SelfDel.dll
Size

5KB
MD5

e5786e8703d651bc8bd4bfecf46d3844
SHA1

fee5aa4b325deecbf69ccb6eadd89bd5ae59723f
SHA256

d115bce0a787b4f895e700efe943695c8f1087782807d91d831f6015b0f98774
SHA512

d14ad43a01db19428cd8ccd2fe101750860933409b5be2eb85a3e400efcd37b1b6425ce84e87a7fe46ecabc7b91c4b450259e624c178b86e194ba7da97957ba3
SSDEEP

96:NdekHUj5z13cPopei+Ml9PNDFbS7xg+TScrQ5:NdeuU9xcPopr+M9FbSS+TSE

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
behavioral17/memory/5004-0-0x0000000074D90000-0x0000000074D99000-memory.dmp	acprotect
behavioral17/memory/5004-1-0x0000000074D90000-0x0000000074D99000-memory.dmp	acprotect

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral17/memory/5004-0-0x0000000074D90000-0x0000000074D99000-memory.dmp	upx
behavioral17/memory/5004-1-0x0000000074D90000-0x0000000074D99000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3196 5004 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
3196	5004	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2212 wrote to memory of 5004	2212	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 5004	2212	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 5004	2212	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:5004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 468
3⤵
- Program crash
PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5004 -ip 5004
1⤵
PID:2840

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/5004-0-0x0000000074D90000-0x0000000074D99000-memory.dmp

Filesize
36KB

Download
memory/5004-1-0x0000000074D90000-0x0000000074D99000-memory.dmp

Filesize
36KB

Download