b53cf6fc4557b36bcab41cdb5aa3eeb060100a7bc606ef3c286892d71f8cb6f3

Analysis

max time kernel
141s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 17:03

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General

Target

asfcore.dll
Size

68KB
MD5

69f8c3472bfa2a80da883c94670cdb03
SHA1

2f7745650b0bc1126847b4e056b0e92a6649964f
SHA256

434048fa63c455a1082e269aa1386c4828980fed6bda82d730a877d6c2240da5
SHA512

cd50664414a148efa47360e89b80181b76d7da2018ad93d1becf4db73d0e994c0bbc6c157bd3a6680be06c037bd6a800840eca07b4438740d2271090c2013528
SSDEEP

768:W3qHxFoPGyt4ZRW4cAwg/jTuPSsxQxP7r4/0ZxUoNGgQjn7abKHZUl5in+:W3qRFstEc4jTubaP7r80goNSnralU

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	2504	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 5008 wrote to memory of 2504	5008	rundll32.exe	84
PID 5008 wrote to memory of 2504	5008	rundll32.exe	84
PID 5008 wrote to memory of 2504	5008	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\asfcore.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\asfcore.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 632
    3⤵
    - Program crash
    PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2504 -ip 2504
1⤵
PID:4188

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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