6310e7be2afbbf4cfbf288f9b6c94767aebcfdb4ffea0588b0760e67940b1d5e

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 18:13

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General

Target

$SYSDIR/msvcp71.dll
Size

488KB
MD5

561fa2abb31dfa8fab762145f81667c2
SHA1

c8ccb04eedac821a13fae314a2435192860c72b8
SHA256

df96156f6a548fd6fe5672918de5ae4509d3c810a57bffd2a91de45a3ed5b23b
SHA512

7d960aa8e3cce22d63a6723d7f00c195de7de83b877eca126e339e2d8cc9859e813e05c5c0a5671a75bb717243e9295fd13e5e17d8c6660eb59f5baee63a7c43
SSDEEP

12288:fJzxYPVsBnxO/R7krZhUgiW6QR7t5k3Ooc8iHkC2eq:fZxvBnxOJ7ki3Ooc8iHkC2e

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4520	2776	WerFault.exe	83

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 4648 wrote to memory of 2776	4648	rundll32.exe	83
PID 4648 wrote to memory of 2776	4648	rundll32.exe	83
PID 4648 wrote to memory of 2776	4648	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\msvcp71.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\msvcp71.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 604
    3⤵
    - Program crash
    PID:4520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2776 -ip 2776
1⤵
PID:2352

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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