ae805b66e85b6d80bff92c0efe364116ec841d287e32520b8548883fe6fdcb86

Analysis

max time kernel
94s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 19:17

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General

Target

vcruntime140.dll
Size

77KB
MD5

f107a3c7371c4543bd3908ba729dd2db
SHA1

af8e7e8f446de74db2f31d532e46eab8bbf41e0a
SHA256

00df0901c101254525a219d93ff1830da3a20d3f14bc323354d8d5fee5854ec0
SHA512

fd776f8ceaac498f4f44819794c0fa89224712a8c476819ffc76ba4c7ff4caa9b360b9d299d9df7965387e5bbcb330f316f53759b5146a73b27a5f2e964c3530
SSDEEP

1536:ImGzxv5o1xSEIURDbnZ/dvC5cpnHXCh5cecbvo9J/KjJC:Ip5o1YEIU9bnZ/A5y3Jecbvo94FC

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4072	2260	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 908 wrote to memory of 2260	908	rundll32.exe	83
PID 908 wrote to memory of 2260	908	rundll32.exe	83
PID 908 wrote to memory of 2260	908	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2260
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 600
    3⤵
    - Program crash
    PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2260 -ip 2260
1⤵
PID:460

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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