691454c46c1ec312485dfa0122229ea92b24b392c021255f32de4c07be8a47f5

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
17-12-2024 01:11

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General

Target

691454c46c1ec312485dfa0122229ea92b24b392c021255f32de4c07be8a47f5.dll
Size

76KB
MD5

b02ac761cad70957e193f93e45e0c9fc
SHA1

038de077c91bc9b2698f619dc88c1a0f0b6b2784
SHA256

691454c46c1ec312485dfa0122229ea92b24b392c021255f32de4c07be8a47f5
SHA512

b229359dc7acf01d2c7c75fa639431c673afb813ceefed785bb0c19702672973a8fec5f682351273e9f93abc57c8a71b03adb046d31212792a38ed8fb7ef08d4
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zkk/jYMJq:c8y93KQjy7G55riF1cMo03F/jYMc

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/4388-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4388-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3684	4388	WerFault.exe	84

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	4388	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 4388	2000	rundll32.exe	84
PID 2000 wrote to memory of 4388	2000	rundll32.exe	84
PID 2000 wrote to memory of 4388	2000	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\691454c46c1ec312485dfa0122229ea92b24b392c021255f32de4c07be8a47f5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\691454c46c1ec312485dfa0122229ea92b24b392c021255f32de4c07be8a47f5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 712
    3⤵
    - Program crash
    PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4388 -ip 4388
1⤵
PID:620

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/4388-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4388-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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