5f8bd8ae8b34ea918280f75581949480d33f056898efa06d6f5f741d7d08407a

Analysis

max time kernel
106s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 05:45

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General

Target

$SYSDIR/apphelp.dll
Size

123KB
MD5

dfd8d8d0ff28f17e42a0f19b40dc3966
SHA1

fb385dbbd035caf80612c517e39e8555d6f4f262
SHA256

de7dead249346eb03917f0e5ec4846aca73cd94bf6ea0ed6e4fb70fe7133b206
SHA512

ebb8e402963979141e14225738ab3b7c67c47dee48786c43e7d1034f2959cd8d8d07d99ce17d2fea6a0c53a1940f1bb3231ff47e0e45d4a63ce19673f6f0dc03
SSDEEP

3072:13i88zDCg5tGqbn29Ws0OnYfUZ2/09qJ3hGyqAAk:zUCIf8wRO2/aqJr

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
32	3672	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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3672	2072	rundll32.exe	84
PID 2072 wrote to memory of 3672	2072	rundll32.exe	84
PID 2072 wrote to memory of 3672	2072	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\apphelp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\apphelp.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 600
    3⤵
    - Program crash
    PID:32

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3672 -ip 3672
1⤵
PID:540

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

Windows 7 deprecation

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