0ec7ca9a453c0fe7ac1b91dbae74a8b77e788c490b65365896d2d319128431d6

Analysis

max time kernel
145s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 13:47

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General

Target

api-ms-win-crt-heap-l1-1-0.dll
Size

12KB
MD5

a51cfb8cf618571215eeba7095733b25
SHA1

db4215890757c7c105a8001b41ae19ce1a5d3558
SHA256

6501894e68a3871962731282a2e70614023ec3f63f600f933ec1785400716ce1
SHA512

9ae11ab21486dea1aba607a4262f62678c5b0e9f62b6a63c76cfdc7698d872d8696ffb1aaae7aa2e2cf02c1c7eaa53d0ce503432960f4be6886fae0de2659535
SSDEEP

192:8Y17aFBRkWOhWXLT71ojDBQABJz5qqnajxcRGlPHisg:9RWOhWXYDBRJ9qll7PHip

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4908	640	WerFault.exe	81

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 1528 wrote to memory of 640	1528	rundll32.exe	81
PID 1528 wrote to memory of 640	1528	rundll32.exe	81
PID 1528 wrote to memory of 640	1528	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\api-ms-win-crt-heap-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\api-ms-win-crt-heap-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 600
    3⤵
    - Program crash
    PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 640 -ip 640
1⤵
PID:3492

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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