31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab

Analysis

max time kernel
137s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2024, 20:52

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General

Target
31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab.dll
Size 76KB
Sample240816-zn7kdazelq
SHA256 31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab
MD5 a704e4d804514083e2f07e4c4e247374
SHA1 e3db0816b5c24a751df4d41502af9a874812b284
SHA512 0951e52700d32ca345899949821b73954a8cc7b4ef97b21d8ad9a142118bae821d50af79e27bb73b1d6f336d49437e2d68a36d09e354d3bf76db15f6fa3bbc4c
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z48O1:c8y93KQjy7G55riF1cMo03CD1
MD5 SHA1 SHA512 SSDEEP

Score

7^/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/4444-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4444-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3792	4444	WerFault.exe	85

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	4444	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 4444	4700	rundll32.exe	85
PID 4700 wrote to memory of 4444	4700	rundll32.exe	85
PID 4700 wrote to memory of 4444	4700	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\31207029d2834eac2455bada703efb02b60f0b5d4bf8b63828a60ead4f7707ab.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 664
    3⤵
    - Program crash
    PID:3792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4444 -ip 4444
1⤵
PID:4092

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/4444-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/4444-1-0x0000000010000000-0x0000000010030000-memory.dmp