f87caf3ba8bf44a306949071885395c5098b6ada2838ec6b1f98efc43a926750

Analysis

max time kernel
93s
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
02/01/2025, 07:33

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General

Target

f87caf3ba8bf44a306949071885395c5098b6ada2838ec6b1f98efc43a926750.dll
Size

76KB
MD5

885ceba9423351a14c91c144606d4668
SHA1

e59f0695eb6d831efc99f12110fc37f2545f4aed
SHA256

f87caf3ba8bf44a306949071885395c5098b6ada2838ec6b1f98efc43a926750
SHA512

4d6b348e2ddb6d5b01787a240aaa8e7f0c30714547c7a4cb0014e6b74bc4097762f781e7c8e68acc676b9a361f68e3098bdd688e3fa90d34e0d216215968387b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZlMQ:c8y93KQjy7G55riF1cMo03rMQ

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/4532-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4532-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1920	4532	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	4532	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 4532	1568	rundll32.exe	82
PID 1568 wrote to memory of 4532	1568	rundll32.exe	82
PID 1568 wrote to memory of 4532	1568	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f87caf3ba8bf44a306949071885395c5098b6ada2838ec6b1f98efc43a926750.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f87caf3ba8bf44a306949071885395c5098b6ada2838ec6b1f98efc43a926750.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 712
    3⤵
    - Program crash
    PID:1920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4532 -ip 4532
1⤵
PID:3488

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/4532-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4532-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download