1821d19dc59274e2ce3d5e9b3bdf330aa245502ebb247f421577565ffc3440ba

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 01:18

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General

Target

$SYSDIR/vcomp140.dll
Size

178KB
MD5

1cd23a0f3daf4210f86ba8eb60b2612b
SHA1

979ab8d98d27fc0c8810822d80a4f1361657f21d
SHA256

dbc67dd65ef7d68bde9147c6244e7aaa8cb275ed6d0ef60301c7e4fbb95a5a42
SHA512

90941648d2cebf4bcd65e54c503a2ced7362fe2b5afa6772b0ecc8ca945d2e43ea14e90a17e64f3eab8ef76ecbb0ea3cc801dbcfeaa8a90ab8b1fe2e081c17c6
SSDEEP

3072:KDGRbh7RozAcuolrdTl2E72uRcQnFCt+DVFf/w62dQ:HoTuIT73CG/SQ

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3512	896	WerFault.exe	81

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 4720 wrote to memory of 896	4720	rundll32.exe	81
PID 4720 wrote to memory of 896	4720	rundll32.exe	81
PID 4720 wrote to memory of 896	4720	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\vcomp140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\vcomp140.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 896 -s 596
    3⤵
    - Program crash
    PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 896 -ip 896
1⤵
PID:3564

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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