3ead2083cc44733cc24645994838622ac20793e7f126362dd842a5b39eb0365f

Analysis

max time kernel
116s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 23:48

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General

Target

System/msvcr100_clr0400.dll
Size

753KB
MD5

e5f7c30edf0892667933be879f067d67
SHA1

194bafde1dc094ec1e49d9371bc12408483d6564
SHA256

e4ba45f4c6c74a0cde9b12a00c91e2f5ef83536c89c9053dec507cbb4f130a12
SHA512

dfcec8352e5ea3f9b4e0321ea39008225f5e541fccf95d7e63568d0f91ab110e749783d8da90fba8099a12cb11f70d6e98472fe71f7a72781017c4790b12d378
SSDEEP

12288:s7LmCy3uPEjeA8VoQjMYp/NQs0iX4+54S+2jX1nuHSaQBsWL9d0ve+:snmCy3uPEJ1QYYVNQs0iX4+54pKF1Vsh

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3264	3868	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 5088 wrote to memory of 3868	5088	rundll32.exe	83
PID 5088 wrote to memory of 3868	5088	rundll32.exe	83
PID 5088 wrote to memory of 3868	5088	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\System\msvcr100_clr0400.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\System\msvcr100_clr0400.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3868 -s 604
    3⤵
    - Program crash
    PID:3264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3868 -ip 3868
1⤵
PID:1972

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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