15591d49543bbf29354fa33186d9c7ed572a77fe5734e245ee7eabb53fd898e2

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 15:42

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General

Target

$PLUGINSDIR/SelfDel.dll
Size

4KB
MD5

7cff7fe2caea5184d98c147e7e263132
SHA1

21f39d3d0dd5f7198d67ef30e95d10ae3460093e
SHA256

281c39b733579e031c62bdd247b41543ece1fe3bd6eda26fc8ad474b10f33101
SHA512

fb1161b8571d1d0c67e2df0d571b08f5e7a73f81409aed847344154d02406910629181bcce4e18e998ec472f51a6a1b40d956a010abdd10e850413aafa87808a
SSDEEP

48:CzHDh3jgWMynQfXKsJ3eAn67wN4VDm0pmoZSeJY8JTaCILFoyTFS7lWsaEaSueq:S18WMynkXKOOATEVUPnS7s9TShqTM

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 4 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral7/memory/2768-0-0x00000000750B0000-0x00000000750B9000-memory.dmp	acprotect
behavioral7/memory/2768-1-0x00000000750A0000-0x00000000750A9000-memory.dmp	acprotect
behavioral7/memory/2768-2-0x00000000750A0000-0x00000000750A9000-memory.dmp	acprotect
behavioral7/memory/2768-3-0x00000000750A0000-0x00000000750A9000-memory.dmp	acprotect

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral7/memory/2768-0-0x00000000750B0000-0x00000000750B9000-memory.dmp	upx
behavioral7/memory/2768-1-0x00000000750A0000-0x00000000750A9000-memory.dmp	upx
behavioral7/memory/2768-2-0x00000000750A0000-0x00000000750A9000-memory.dmp	upx
behavioral7/memory/2768-3-0x00000000750A0000-0x00000000750A9000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	2768	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2756 wrote to memory of 2768	2756	rundll32.exe	31
PID 2768 wrote to memory of 2752	2768	rundll32.exe	32
PID 2768 wrote to memory of 2752	2768	rundll32.exe	32
PID 2768 wrote to memory of 2752	2768	rundll32.exe	32
PID 2768 wrote to memory of 2752	2768	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 220
    3⤵
    - Program crash
    PID:2752

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/2768-0-0x00000000750B0000-0x00000000750B9000-memory.dmp

Filesize
36KB

Download
memory/2768-1-0x00000000750A0000-0x00000000750A9000-memory.dmp

Filesize
36KB

Download
memory/2768-2-0x00000000750A0000-0x00000000750A9000-memory.dmp

Filesize
36KB

Download
memory/2768-3-0x00000000750A0000-0x00000000750A9000-memory.dmp

Filesize
36KB

Download