255ce0a4cfc5554152c50fc6bc151a58a50a094812b43a640e6218a79f381868

Analysis

max time kernel
91s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 10:17

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General

Target

255ce0a4cfc5554152c50fc6bc151a58a50a094812b43a640e6218a79f381868.dll
Size

76KB
MD5

03fca6edb51a0e770a05dcbdf1606c40
SHA1

18bc4fa14aa143a40fa286d593f33bd60ecaa5ec
SHA256

255ce0a4cfc5554152c50fc6bc151a58a50a094812b43a640e6218a79f381868
SHA512

a3086ca09a845091e88dcab54a35f3acc54d77ef8f49dbbd7b9f18f32f5e00979ab30bf6b67410c75724da3dcfb35a5665800a9d266ce99c16c820c8a228c9fb
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZCHPsggcDAn:c8y93KQjy7G55riF1cMo03MHEoDk

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/2696-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2696-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4552	2696	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	2696	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2696	2440	rundll32.exe	85
PID 2440 wrote to memory of 2696	2440	rundll32.exe	85
PID 2440 wrote to memory of 2696	2440	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\255ce0a4cfc5554152c50fc6bc151a58a50a094812b43a640e6218a79f381868.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\255ce0a4cfc5554152c50fc6bc151a58a50a094812b43a640e6218a79f381868.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2696 -s 712
    3⤵
    - Program crash
    PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2696 -ip 2696
1⤵
PID:4880

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/2696-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2696-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download