3c7f1a128de9afaf53eb1bc04944eceddc0e8dbfca6dac520e51c7da7d925848

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-01-2025 17:49

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General

Target

Bin/RulesAPI.dll
Size

2.1MB
MD5

0af80bfc69d7c3451c6d3b90d7313c8e
SHA1

e54e9830f6be8f024fd8a280c71107ff501fedbd
SHA256

d427297511cc0f637801aabbbe8a5a5526d1bf67cf15296839dbfeddc10f3edc
SHA512

5e4bb27c2686b9fb3f87f3afaa72250da67d07a4f00ae58279f064d848fd127a3be0ad4919b4f56a3618984cd3f331e48d05c923220e144d974c9073528d3c5c
SSDEEP

24576:zxBDa823oFojLiY7KKDt370HDnd9BiS9IgBxOUsFsu2td9TCZNw:dhsR/tO9oSyOOkMZN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4060	636	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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 636	4376	rundll32.exe	82
PID 4376 wrote to memory of 636	4376	rundll32.exe	82
PID 4376 wrote to memory of 636	4376	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Bin\RulesAPI.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Bin\RulesAPI.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 676
    3⤵
    - Program crash
    PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 636 -ip 636
1⤵
PID:3948

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

Replay Monitor

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Downloads

memory/636-0-0x0000000002480000-0x00000000026A0000-memory.dmp

Filesize
2.1MB

Download
memory/636-1-0x0000000002480000-0x00000000026A0000-memory.dmp

Filesize
2.1MB

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