f9882a63181c93d028c43ff86db4c8927196b5e9bfcbee1d87a8004a37b083cf

Analysis

max time kernel
898s
max time network
632s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/08/2026, 21:00

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General

Target
$PLUGINSDIR/SelfDel.dll
Size 15KB
Sample260802-ztscmsfq2x
SHA256 f9882a63181c93d028c43ff86db4c8927196b5e9bfcbee1d87a8004a37b083cf
MD5 0975f56f06c5d3680ce1ca46c9ffd583
SHA1 87cc2a8dd5b58b734e3dd4c4f7ea1df7c3a90c93
SHA512 7e292bc659313ecde026ccd6cc239adf8aaeb77ccf2bb806d59900481646ac9350b72d02c86cfa61134952053e40ea4280ee05ef9625deb21053e84da0c9b8e9
SSDEEP 384:Vi9ogS6x+TE6ki2/iio1/wfT3ir2WSx7bLS4I:E9ogSE+b26g3iPmbLG
TLSH
T15C728E863F293653EFC78EB8A0E4CA235C71F1919EB450DA5860428EAC5A3D16F5E11F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral13/memory/4840-0-0x0000000075370000-0x0000000075379000-memory.dmp	acprotect
behavioral13/memory/4840-1-0x0000000075370000-0x0000000075379000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral13/memory/4840-0-0x0000000075370000-0x0000000075379000-memory.dmp	upx
behavioral13/memory/4840-1-0x0000000075370000-0x0000000075379000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2408	4840	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 1 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 4840	3556	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3556
- 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:4840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 612
    3⤵
    - Program crash
    PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4840 -ip 4840
1⤵
PID:4352

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

memory/4840-0-0x0000000075370000-0x0000000075379000-memory.dmp

Download

memory/4840-1-0x0000000075370000-0x0000000075379000-memory.dmp