138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 18:48

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General

Target

138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e.dll
Size

76KB
MD5

bbf66c7e49930c6ad2d31103cd6cc84d
SHA1

b9ae9544c82395a3ee7248c0894e7d518e351b38
SHA256

138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e
SHA512

043b2e95e2606339f9aa97fb1c204e245e5b758ef0e3a0ac2ad67332a1195c5dcdfe008e6115b111b31a4b5d47cf8938787ab48fd22058a82ef632cdd8dff461
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/KeXCWHT:c8y93KQjy7G55riF1cMo031KeXCWz

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/3836-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3836-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3808	3836	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	3836	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 3836	3972	rundll32.exe	82
PID 3972 wrote to memory of 3836	3972	rundll32.exe	82
PID 3972 wrote to memory of 3836	3972	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\138ef4ff688a98153eabcc90d6abc53bb81961432671bd081b1aa36db39e779e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 716
    3⤵
    - Program crash
    PID:3808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3836 -ip 3836
1⤵
PID:4984

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/3836-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3836-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download