f552f1d98ac90746de96d7aaa9ce09943d774c32e9003da4ffe62af309e187d7

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14/06/2024, 06:02

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General

Target

f552f1d98ac90746de96d7aaa9ce09943d774c32e9003da4ffe62af309e187d7.dll
Size

76KB
MD5

844bbb84315624a9f077b7abc5f555b9
SHA1

3fe9027b3de62f1984a6a302ef4db7f9c6639624
SHA256

f552f1d98ac90746de96d7aaa9ce09943d774c32e9003da4ffe62af309e187d7
SHA512

fb2b70988c08304503fd2aeab64776fc81d8cec0aa97f0c4e31627f0cdcf2e864d35f74c1f77baa6dae796e2e40f359542624172d318cb88564db56577fefb57
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZUo:c8y93KQjy7G55riF1cMo03T

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/1196-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/1196-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1196-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1196-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1216	1196	WerFault.exe	81

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1196	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 1196	3276	rundll32.exe	81
PID 3276 wrote to memory of 1196	3276	rundll32.exe	81
PID 3276 wrote to memory of 1196	3276	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f552f1d98ac90746de96d7aaa9ce09943d774c32e9003da4ffe62af309e187d7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3276
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f552f1d98ac90746de96d7aaa9ce09943d774c32e9003da4ffe62af309e187d7.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1196
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1196 -s 704
    3⤵
    - Program crash
    PID:1216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1196 -ip 1196
1⤵
PID:668

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/1196-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1196-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download