255ce0a4cfc5554152c50fc6bc151a58a50a094812b43a640e6218a79f381868

Analysis

max time kernel
95s
max time network
96s
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 10:14

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General

Target

255ce0a4cfc5554152c50fc6bc151a58a50a094812b43a640e6218a79f381868.dll
Size

76KB
MD5

03fca6edb51a0e770a05dcbdf1606c40
SHA1

18bc4fa14aa143a40fa286d593f33bd60ecaa5ec
SHA256

255ce0a4cfc5554152c50fc6bc151a58a50a094812b43a640e6218a79f381868
SHA512

a3086ca09a845091e88dcab54a35f3acc54d77ef8f49dbbd7b9f18f32f5e00979ab30bf6b67410c75724da3dcfb35a5665800a9d266ce99c16c820c8a228c9fb
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZCHPsggcDAn:c8y93KQjy7G55riF1cMo03MHEoDk

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3648-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3648-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
468	3648	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	3648	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 3648	4872	rundll32.exe	83
PID 4872 wrote to memory of 3648	4872	rundll32.exe	83
PID 4872 wrote to memory of 3648	4872	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\255ce0a4cfc5554152c50fc6bc151a58a50a094812b43a640e6218a79f381868.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4872
- 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:3648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 672
    3⤵
    - Program crash
    PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3648 -ip 3648
1⤵
PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3648-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3648-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download