ad4fad7041437165a835858801b8aed8586bcd50647473c57dcb14b54e52178b

Analysis

max time kernel
441s
max time network
1160s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
25-11-2024 07:50

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General

Target

$PLUGINSDIR/SelfDel.dll
Size

15KB
MD5

0975f56f06c5d3680ce1ca46c9ffd583
SHA1

87cc2a8dd5b58b734e3dd4c4f7ea1df7c3a90c93
SHA256

f9882a63181c93d028c43ff86db4c8927196b5e9bfcbee1d87a8004a37b083cf
SHA512

7e292bc659313ecde026ccd6cc239adf8aaeb77ccf2bb806d59900481646ac9350b72d02c86cfa61134952053e40ea4280ee05ef9625deb21053e84da0c9b8e9
SSDEEP

384:Vi9ogS6x+TE6ki2/iio1/wfT3ir2WSx7bLS4I:E9ogSE+b26g3iPmbLG

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/3980-0-0x0000000074D60000-0x0000000074D69000-memory.dmp	acprotect
behavioral13/memory/3980-1-0x0000000074D60000-0x0000000074D69000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral13/memory/3980-0-0x0000000074D60000-0x0000000074D69000-memory.dmp	upx
behavioral13/memory/3980-1-0x0000000074D60000-0x0000000074D69000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4256	3980	WerFault.exe	77

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 1472 wrote to memory of 3980	1472	rundll32.exe	77
PID 1472 wrote to memory of 3980	1472	rundll32.exe	77
PID 1472 wrote to memory of 3980	1472	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1472
- 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:3980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3980 -s 468
    3⤵
    - Program crash
    PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3980 -ip 3980
1⤵
PID:5032

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/3980-0-0x0000000074D60000-0x0000000074D69000-memory.dmp

Filesize
36KB

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memory/3980-1-0x0000000074D60000-0x0000000074D69000-memory.dmp

Filesize
36KB

Download