000abc24d378fefbbee9e4466a200f4088e63c941bb7ecba18af54d6e23fecfa

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 02:00

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General

Target

msvcp100.dll
Size

411KB
MD5

03e9314004f504a14a61c3d364b62f66
SHA1

0aa3caac24fdf9d9d4c618e2bbf0a063036cd55d
SHA256

a3ba6421991241bea9c8334b62c3088f8f131ab906c3cc52113945d05016a35f
SHA512

2fcff4439d2759d93c57d49b24f28ae89b7698e284e76ac65fe2b50bdefc23a8cc3c83891d671de4e4c0f036cef810856de79ac2b028aa89a895bf35abff8c8d
SSDEEP

12288:iHEqYsrMWIqz473PTiPoH/aGhUgiW6QR7t5qv3Ooc8UHkC2eKq87:iH9YsIWIW4rPTiPofaDv3Ooc8UHkC2e8

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2512 4540 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
2512	4540	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3404 wrote to memory of 4540	3404	rundll32.exe	rundll32.exe
PID 3404 wrote to memory of 4540	3404	rundll32.exe	rundll32.exe
PID 3404 wrote to memory of 4540	3404	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp100.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4540 -s 604
    3⤵
    - Program crash
    PID:2512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4540 -ip 4540
1⤵
PID:3860

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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