b79799aa92372d05b48166369ce00ef64a1d93e1a6a8c7067032e365711a9771

Analysis

max time kernel
91s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2025, 03:28

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General

Target

b79799aa92372d05b48166369ce00ef64a1d93e1a6a8c7067032e365711a9771.dll
Size

76KB
MD5

f49841a8140194d63b20d96839712cf4
SHA1

169901f921150cc91832bbb44a8a9c7ba5e29117
SHA256

b79799aa92372d05b48166369ce00ef64a1d93e1a6a8c7067032e365711a9771
SHA512

15c80a61296dae861fcd2f83eb71e59aada8e4f68a6ab41a12280213b9803e94a5e53bdef788fbfb08ef13cad19ea616285d4bc4e5ea7e5b59eff2656f18448a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZzJKOb:c8y93KQjy7G55riF1cMo035JKOb

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/2396-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2396-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4764	2396	WerFault.exe	83

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	2396	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 2396	4928	rundll32.exe	83
PID 4928 wrote to memory of 2396	4928	rundll32.exe	83
PID 4928 wrote to memory of 2396	4928	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b79799aa92372d05b48166369ce00ef64a1d93e1a6a8c7067032e365711a9771.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b79799aa92372d05b48166369ce00ef64a1d93e1a6a8c7067032e365711a9771.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 704
    3⤵
    - Program crash
    PID:4764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2396 -ip 2396
1⤵
PID:1988

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/2396-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2396-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download