33e86567574711c0e0d89714ad0523c461643b0cea7b3712baa363fbc1720e34

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-08-2024 11:53

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General

Target

ExSoftware/Debug/api-ms-win-crt-private-l1-1-0.dll
Size

71KB
MD5

3d139f57ed79d2c788e422ca26950446
SHA1

788e4fb5d1f46b0f1802761d0ae3addb8611c238
SHA256

dc25a882ac454a0071e4815b0e939dc161ba73b5c207b84afd96203c343b99c7
SHA512

12ed9216f44aa5f245c707fe39aed08dc18ea675f5a707098f1a1da42b348a649846bc919fd318de7954ea9097c01f22be76a5d85d664ef030381e7759840765
SSDEEP

1536:g0DjXDe5c4bFE2Jy2cvxXWpD9d3334BkZnVPL9VG:XjDe5c4bFE2Jy2cvxXWpD9d3334BkZnI

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3520	800	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

Processes:

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	procid_target
PID 4084 wrote to memory of 800	4084	rundll32.exe	85
PID 4084 wrote to memory of 800	4084	rundll32.exe	85
PID 4084 wrote to memory of 800	4084	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExSoftware\Debug\api-ms-win-crt-private-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExSoftware\Debug\api-ms-win-crt-private-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 800 -s 600
    3⤵
    - Program crash
    PID:3520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 800 -ip 800
1⤵
PID:2540

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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