591466a18e8364f9dbc62f2d41ba43bb024e1fa24b1da68e01306f09fe749b8a

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 23:17

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General

Target

591466a18e8364f9dbc62f2d41ba43bb024e1fa24b1da68e01306f09fe749b8a.dll
Size

76KB
MD5

d81b189753860fde6ba20d5fddaca044
SHA1

a2d7bd33d1006e98e71d7c137b24f05f6cca98e1
SHA256

591466a18e8364f9dbc62f2d41ba43bb024e1fa24b1da68e01306f09fe749b8a
SHA512

57b5981bb50077e68207cf1512ac0db50f9d53f6122faf9a3fe601a670ffde695683eea1d408f82b3e240840d3f43791d6ad57626d0d3738936845584fe90a76
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZCTpR:c8y93KQjy7G55riF1cMo03CR

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/2312-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2312-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3728	2312	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	2312	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 2312	688	rundll32.exe	83
PID 688 wrote to memory of 2312	688	rundll32.exe	83
PID 688 wrote to memory of 2312	688	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\591466a18e8364f9dbc62f2d41ba43bb024e1fa24b1da68e01306f09fe749b8a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\591466a18e8364f9dbc62f2d41ba43bb024e1fa24b1da68e01306f09fe749b8a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 716
    3⤵
    - Program crash
    PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2312 -ip 2312
1⤵
PID:3924

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/2312-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2312-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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