f3a6ebe4d1ba95e18c40750553581b846a87a5551ac01e6cadc8638939794b2f

Analysis

max time kernel
101s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 08:51

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
f32749be61ab066e64130eb3c48df330N.dll
Size 76KB
Sample240822-kr464axgkd
SHA256 f3a6ebe4d1ba95e18c40750553581b846a87a5551ac01e6cadc8638939794b2f
MD5 f32749be61ab066e64130eb3c48df330
SHA1 49a6f4a9e846c72ef789070c0960893208ed8505
SHA512 cc0fe2ff26b9144fd2e2934d7d27f5080d3ff11a5b7f3cebd5f074b4103958d75e61eba6b65824e0f304143be24ededcb2f8333855c5c52ad6639fc048cbf380
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZU5bG5Pox:c8y93KQjy7G55riF1cMo03K5GK
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/4676-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4676-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4228	4676	WerFault.exe	84

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	4676	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 4676	4488	rundll32.exe	84
PID 4488 wrote to memory of 4676	4488	rundll32.exe	84
PID 4488 wrote to memory of 4676	4488	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f32749be61ab066e64130eb3c48df330N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f32749be61ab066e64130eb3c48df330N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 720
    3⤵
    - Program crash
    PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4676 -ip 4676
1⤵
PID:4484

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

Loading Replay Monitor...

Downloads

memory/4676-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/4676-2-0x0000000010000000-0x0000000010030000-memory.dmp