3811a2d7995021e3c9c6797545a5f6108dc121a5b1ccc4e1fa9825a98c586bce

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 09:02

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General

Target

3811a2d7995021e3c9c6797545a5f6108dc121a5b1ccc4e1fa9825a98c586bce.dll
Size

76KB
MD5

db4bf0238610830f4086046bff56161c
SHA1

4130667cdd2716018f9784545600b31fe8b91aeb
SHA256

3811a2d7995021e3c9c6797545a5f6108dc121a5b1ccc4e1fa9825a98c586bce
SHA512

68a1f7c650e1f536a9b2108630f25db321f6b6d7001eff5c549a8f01deca66c353bc8b007dc24fddfad4cac4a706f65c2ff9c86381815c71c973dea41995fbbd
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZHci9F35:c8y93KQjy7G55riF1cMo03Bci9Fp

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4596-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4596-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4708	4596	WerFault.exe	82

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 4596	3808	rundll32.exe	82
PID 3808 wrote to memory of 4596	3808	rundll32.exe	82
PID 3808 wrote to memory of 4596	3808	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3811a2d7995021e3c9c6797545a5f6108dc121a5b1ccc4e1fa9825a98c586bce.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3811a2d7995021e3c9c6797545a5f6108dc121a5b1ccc4e1fa9825a98c586bce.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4596
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 716
    3⤵
    - Program crash
    PID:4708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4596 -ip 4596
1⤵
PID:3844

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/4596-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4596-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download