5dc8b08c7e1b11abf2b6b311cd7e411db16a7c3827879c6f93bd0dac7a71d321

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 12:30

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General

Target

vcruntime140.dll
Size

78KB
MD5

1b171f9a428c44acf85f89989007c328
SHA1

6f25a874d6cbf8158cb7c491dcedaa81ceaebbae
SHA256

9d02e952396bdff3abfe5654e07b7a713c84268a225e11ed9a3bf338ed1e424c
SHA512

99a06770eea07f36abc4ae0cecb2ae13c3acb362b38b731c3baed045bf76ea6b61efe4089cd2efac27701e9443388322365bdb039cd388987b24d4a43c973bd1
SSDEEP

1536:l9j/j2886xv555et/MCsjw0BuRK3jteopUecbAdz86B+JfBL+eNv:l9j/j28V55At/zqw+IqLUecbAdz8lJrv

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1448 2160 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
1448	2160	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2384 wrote to memory of 2160	2384	rundll32.exe	rundll32.exe
PID 2384 wrote to memory of 2160	2384	rundll32.exe	rundll32.exe
PID 2384 wrote to memory of 2160	2384	rundll32.exe	rundll32.exe
PID 2384 wrote to memory of 2160	2384	rundll32.exe	rundll32.exe
PID 2384 wrote to memory of 2160	2384	rundll32.exe	rundll32.exe
PID 2384 wrote to memory of 2160	2384	rundll32.exe	rundll32.exe
PID 2384 wrote to memory of 2160	2384	rundll32.exe	rundll32.exe
PID 2160 wrote to memory of 1448	2160	rundll32.exe	WerFault.exe
PID 2160 wrote to memory of 1448	2160	rundll32.exe	WerFault.exe
PID 2160 wrote to memory of 1448	2160	rundll32.exe	WerFault.exe
PID 2160 wrote to memory of 1448	2160	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 220
    3⤵
    - Program crash
    PID:1448

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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