3bc58204a86ea506d6459ce56521bbd293ce2232f90057e8395e9012797ae989

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 15:35

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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.

resource	yara_rule
behavioral3/memory/2128-1-0x0000000074910000-0x0000000074919000-memory.dmp	acprotect
behavioral3/memory/2128-3-0x0000000074910000-0x0000000074919000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral3/memory/2128-1-0x0000000074910000-0x0000000074919000-memory.dmp	upx
behavioral3/memory/2128-3-0x0000000074910000-0x0000000074919000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	2128	WerFault.exe	30

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 3064 wrote to memory of 2128	3064	rundll32.exe	30
PID 3064 wrote to memory of 2128	3064	rundll32.exe	30
PID 3064 wrote to memory of 2128	3064	rundll32.exe	30
PID 3064 wrote to memory of 2128	3064	rundll32.exe	30
PID 3064 wrote to memory of 2128	3064	rundll32.exe	30
PID 3064 wrote to memory of 2128	3064	rundll32.exe	30
PID 3064 wrote to memory of 2128	3064	rundll32.exe	30
PID 2128 wrote to memory of 2728	2128	rundll32.exe	31
PID 2128 wrote to memory of 2728	2128	rundll32.exe	31
PID 2128 wrote to memory of 2728	2128	rundll32.exe	31
PID 2128 wrote to memory of 2728	2128	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3064
- 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:2128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 220
    3⤵
    - Program crash
    PID:2728

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/2128-2-0x0000000074920000-0x0000000074929000-memory.dmp

Filesize
36KB

Download
memory/2128-1-0x0000000074910000-0x0000000074919000-memory.dmp

Filesize
36KB

Download
memory/2128-0-0x0000000074920000-0x0000000074929000-memory.dmp

Filesize
36KB

Download
memory/2128-3-0x0000000074910000-0x0000000074919000-memory.dmp

Filesize
36KB

Download