aac32ed16f262918a685abdac1d191411a4c325c46c8bfcd434014adbf7ba36d

Analysis

max time kernel
90s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
20-08-2024 17:28

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General

Target

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

18KB
MD5

a668c5ee307457729203ae00edebb6b3
SHA1

2114d84cf3ec576785ebbe6b2184b0d634b86d71
SHA256

a95b1af74623d6d5d892760166b9bfac8926929571301921f1e62458e6d1a503
SHA512

73dc1a1c2ceb98ca6d9ddc7611fc44753184be00cfba07c4947d675f0b154a09e6013e1ef54ac7576e661fc51b4bc54fdd96a0c046ab4ee58282e711b1854730
SSDEEP

384:tW1hWv4wm0GftpBjp+m3S1ZXlndaYhpt1:k+FVib+ZvN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1080	3580	WerFault.exe	78

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 1016 wrote to memory of 3580	1016	rundll32.exe	78
PID 1016 wrote to memory of 3580	1016	rundll32.exe	78
PID 1016 wrote to memory of 3580	1016	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExSoftware\Debug\api-ms-win-crt-conio-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExSoftware\Debug\api-ms-win-crt-conio-l1-1-0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 448
    3⤵
    - Program crash
    PID:1080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3580 -ip 3580
1⤵
PID:1176

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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