85e0b8a5e424eb9a20e6aa5af011f139419055376ceb49279e074251e480b4a3

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 23:24

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General

Target

85e0b8a5e424eb9a20e6aa5af011f139419055376ceb49279e074251e480b4a3.dll
Size

76KB
MD5

147930c5952684ca8aba0510b327c8ab
SHA1

ba81df84fdd51652a2f9643d57263c2a72cb0196
SHA256

85e0b8a5e424eb9a20e6aa5af011f139419055376ceb49279e074251e480b4a3
SHA512

bf45c6065c3848e0eab128b80d3e6e39158a3249600ada3d6958c6f6034235b0dbb93f2c6356b4c729ed48372496a0762bfbaa8f7bd414d6f3dc2599c4438ccf
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZnIOjO7ef:c8y93KQjy7G55riF1cMo03NIMf

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/1492-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/1492-2-0x0000000010000000-0x0000000010030000-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/1492-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1492-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4728	1492	WerFault.exe	81

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 1492	688	rundll32.exe	81
PID 688 wrote to memory of 1492	688	rundll32.exe	81
PID 688 wrote to memory of 1492	688	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\85e0b8a5e424eb9a20e6aa5af011f139419055376ceb49279e074251e480b4a3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\85e0b8a5e424eb9a20e6aa5af011f139419055376ceb49279e074251e480b4a3.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 712
    3⤵
    - Program crash
    PID:4728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1492 -ip 1492
1⤵
PID:4892

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/1492-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1492-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download