ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23

General

Target

ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
Size

125KB
MD5

35f3e2fb0aa1b9e553a17c3b4f562f30
SHA1

578247e11932adb095d71e566e87746d869f4a3e
SHA256

ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23
SHA512

a902d709a06154c641244b63ecd1948930ec51a054a1602c7d8aa877ed49d7bdb1fbdd4c6c3056493c1b76c8a1e579094dcaa3701aa43b066035bf43e6a6357a
SSDEEP

1536:TIfsgr/bNdnZcOBQP6LAlUnhnLrirdb8+gXygMRV2zH3XgyCPq2KQPXgyFWaajVd:TIkgTbNdn7ULg8V2zXKv9GsIF/lg7U

Score

7^/10

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Internet Explorer.lnk	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\windp32_tkf = "C:\\Program Files\\Winpows Publkf\\services.exe"	regedit.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\1.txt	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
File opened for modification	C:\Windows\SysWOW64\1.txt	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
File opened for modification	C:\Windows\SysWOW64\internat.exe.txt	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
File opened for modification	C:\Windows\SysWOW64\internat.exe	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
File opened for modification	C:\Windows\SysWOW64\2.txt	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Winpows Publkf\services.exe.txt	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
File opened for modification	C:\Program Files\Winpows Publkf\services.exe	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\Winpows Publkf\services.exe.txt	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
File opened for modification	C:\WINDOWS\Winpows Publkf\services.exe	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Runs .reg file with regedit 1 IoCs

pid	Process
932	regedit.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
1504	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
1504	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
1504	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 1504	1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe	27
PID 1776 wrote to memory of 1504	1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe	27
PID 1776 wrote to memory of 1504	1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe	27
PID 1776 wrote to memory of 1504	1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe	27
PID 1776 wrote to memory of 932	1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe	28
PID 1776 wrote to memory of 932	1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe	28
PID 1776 wrote to memory of 932	1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe	28
PID 1776 wrote to memory of 932	1776	ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe	28

C:\Users\Admin\AppData\Local\Temp\ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
"C:\Users\Admin\AppData\Local\Temp\ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe"
1⤵
- Drops startup file
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Users\Admin\AppData\Local\Temp\ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
  C:\Users\Admin\AppData\Local\Temp\ad8a61f8b0efd68574440334d8f0e1d4b761428ab6204c021d0376dd53d1ed23.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1504
- C:\Windows\SysWOW64\regedit.exe
  regedit /s C:\1.reg
  2⤵
  - Adds Run key to start application
  - Runs .reg file with regedit
  PID:932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\1.reg

Filesize
171B

MD5
1a397deae9f18b382b4bae39ad5d3a34

SHA1
eb68e372fd377540881aa8a46c7977f32405ee89

SHA256
f96779cccce9a239c7df5cfc261e16d13dc5b019c409b5b679e31571ab6c3456

SHA512
1ca00115cbef090471404a3a013c147ae5a82775f391ba2c3d62dc719f886f80760633d72dc1445d6bea1b9d1bfd13589f51aee16400b6346fbd79fcbae80be1

Download Submit
memory/1776-56-0x0000000074C91000-0x0000000074C93000-memory.dmp

Filesize
8KB

Download
memory/1776-64-0x0000000005821000-0x00000000066CD000-memory.dmp

Filesize
14.7MB

Download

Analysis

Sharing