e2cd43d988121ee0cf9bdbaa46d5d1cc99dd742cb0540f674923621eef0d57fd

Analysis

max time kernel
80s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 19:27

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General

Target

TIR/CONFIG/MSVCRT20.dll
Size

248KB
MD5

0cdf4d609177fa1a0217ec2405455354
SHA1

c618ef88c7d3ce6f36302ef0890e461dac7f3a5a
SHA256

933c6a9898dd97fc109e4d161321ebcecd51a24fbcb9b29ccf21c312cdc51b1a
SHA512

45c82a40aa17f0345a20cb6232591b0c2307ca9047ce055ea1eb3d32173ac1bea6b5ef04cac4ef9459591f0d7f30bd99f85cc76c0ac29536f5ddd3c3cd2b2301
SSDEEP

6144:KlhGZLtYKjcbX66I/UPZOWcYw89ujE3039j6PXMIiLTQaP3NkQopNJ:6YLjcbX66I/UPfcYWjE323YaP3lkN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2220	512	WerFault.exe	82

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 4080 wrote to memory of 512	4080	rundll32.exe	82
PID 4080 wrote to memory of 512	4080	rundll32.exe	82
PID 4080 wrote to memory of 512	4080	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\TIR\CONFIG\MSVCRT20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\TIR\CONFIG\MSVCRT20.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 604
    3⤵
    - Program crash
    PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 512 -ip 512
1⤵
PID:892

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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