3f5b0fbbf8281387fa50156b1475271964f5d98b3788be1424f778000dc3a263

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 10:15

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General

Target

$PLUGINSDIR/SelfDel.dll
Size

5KB
MD5

ca8bcdded6b265453cf68bae8bbd0b3a
SHA1

9dbe872ac53e075c0954c882d034aa009c733092
SHA256

299ba97dda721cc9216bda218769eb269a239c8bcf09bd6acc774ff935849184
SHA512

a9b19434c35236a049036f0153a5c7184c95249fdb04ef7605484551d40a8aba37462eb617e96301cd4363a324f0282e26179ce4b78973ca43e0a63b4dffb33c
SSDEEP

48:S17Ql+sbsjAowLVEq1y58vzWLDjjZSeJY8JTaTIUNEyTFS7lr0zsBEaSujrt6EQD:v8sgYLVEX4zwjINxS7xg+TScrQD

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral3/memory/2448-1-0x0000000074960000-0x0000000074969000-memory.dmp	acprotect
behavioral3/memory/2448-0-0x0000000074970000-0x0000000074979000-memory.dmp	acprotect
behavioral3/memory/2448-2-0x0000000074960000-0x0000000074969000-memory.dmp	acprotect

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral3/memory/2448-1-0x0000000074960000-0x0000000074969000-memory.dmp	upx
behavioral3/memory/2448-0-0x0000000074970000-0x0000000074979000-memory.dmp	upx
behavioral3/memory/2448-2-0x0000000074960000-0x0000000074969000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2748	2448	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 2096 wrote to memory of 2448	2096	rundll32.exe	30
PID 2096 wrote to memory of 2448	2096	rundll32.exe	30
PID 2096 wrote to memory of 2448	2096	rundll32.exe	30
PID 2096 wrote to memory of 2448	2096	rundll32.exe	30
PID 2096 wrote to memory of 2448	2096	rundll32.exe	30
PID 2096 wrote to memory of 2448	2096	rundll32.exe	30
PID 2096 wrote to memory of 2448	2096	rundll32.exe	30
PID 2448 wrote to memory of 2748	2448	rundll32.exe	31
PID 2448 wrote to memory of 2748	2448	rundll32.exe	31
PID 2448 wrote to memory of 2748	2448	rundll32.exe	31
PID 2448 wrote to memory of 2748	2448	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:2096
- 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:2448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 220
    3⤵
    - Program crash
    PID:2748

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/2448-1-0x0000000074960000-0x0000000074969000-memory.dmp

Filesize
36KB

Download
memory/2448-0-0x0000000074970000-0x0000000074979000-memory.dmp

Filesize
36KB

Download
memory/2448-2-0x0000000074960000-0x0000000074969000-memory.dmp

Filesize
36KB

Download