969e020f81d9fe325f49423c55a93c703685f64afe1776772718fb1373a426da

Analysis

max time kernel
118s
max time network
198s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2024, 00:48

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General

Target

969e020f81d9fe325f49423c55a93c703685f64afe1776772718fb1373a426da.dll
Size

76KB
MD5

ffbec8d786186fb9a20b10ce501fcaa5
SHA1

2dd36e06187d2fc4300e8311a2471ea14733acb2
SHA256

969e020f81d9fe325f49423c55a93c703685f64afe1776772718fb1373a426da
SHA512

db5dad3f7366378c86a6b007f72bbaa5696ae2beb8be827e5db75184b9dc64df9792f532f567178a2d811f57d1f57b7b3702bcda13efad32e297f06ffe922343
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZbW5hr:c8y93KQjy7G55riF1cMo03lW5hr

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/memory/4320-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4320-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4320-6-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4320-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4320-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4320-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2524	4320	WerFault.exe	89
2924	4320	WerFault.exe	89

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4320	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 4320	4544	rundll32.exe	89
PID 4544 wrote to memory of 4320	4544	rundll32.exe	89
PID 4544 wrote to memory of 4320	4544	rundll32.exe	89
PID 4320 wrote to memory of 2524	4320	rundll32.exe	96
PID 4320 wrote to memory of 2524	4320	rundll32.exe	96
PID 4320 wrote to memory of 2524	4320	rundll32.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\969e020f81d9fe325f49423c55a93c703685f64afe1776772718fb1373a426da.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\969e020f81d9fe325f49423c55a93c703685f64afe1776772718fb1373a426da.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4320
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4320 -s 696
    3⤵
    - Program crash
    PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4320 -s 696
    3⤵
    - Program crash
    PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4320 -ip 4320
1⤵
PID:4380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4320-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4320-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4320-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download