3583356b1900cc2f31f3a9115c912814069c1a8b233e48a274351d0ea3ec3a5e

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 13:05

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General

Target

Doc/System/MSVCRT.dll
Size

272KB
MD5

4300d1a092b91e7c8dfa6f1e5e7973b2
SHA1

63a4fcd64ecea975c1b91de04702c68a9f2a3c7d
SHA256

887eb5ce93edb7192ca3e9220f07f9ca0f94db02af5862ebcbdfcb852db99fd1
SHA512

dbf54f05aa371d5ff2b73ae1241a777c6bff65c37d46fa8d10a9c23da3b3f9d097618a5e246140aa39256ba9270ee3b7a1ab7b442b0a25f51c08bf04535a907d
SSDEEP

6144:XTHH7lfsdbunoC5XQFnqxNCDHDJDAiFMWiFaNF7R5LooRKa:XTnJfsdanocQdqaHJDAo5Bia

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3496	5028	WerFault.exe	85

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 3620 wrote to memory of 5028	3620	rundll32.exe	85
PID 3620 wrote to memory of 5028	3620	rundll32.exe	85
PID 3620 wrote to memory of 5028	3620	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Doc\System\MSVCRT.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Doc\System\MSVCRT.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 600
    3⤵
    - Program crash
    PID:3496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 5028 -ip 5028
1⤵
PID:2284

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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