kutaki | 314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-02-2024 11:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe
Size

617KB
MD5

9b719e21e56dfe22fe282fcd496d83c6
SHA1

f0229d661757258893ca0f0b9daf21ac52d71364
SHA256

314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2
SHA512

c969de50ba51747e457aed23a2f60a131e055d217c8e941ea03e0f51a2f441d4dc4f105ae78418f7be9bec326f7949ebabe174e9c50226c6ef8c59c57418750e
SSDEEP

12288:eFT8EyAFXYN1hP46A9jmP/uhu/yMS08CkntxYRmqL:uYlAFXqAfmP/UDMS08Ckn3A

Score

10^/10

kutaki keylogger stealer

Malware Config

Extracted

Family

kutaki

http://linkwotowoto.club/new/two.php

Signatures

Kutaki
Information stealer and keylogger that hides inside legitimate Visual Basic applications.
stealer keylogger kutaki

Kutaki Executable 1 IoCs

resource	yara_rule
behavioral1/files/0x00040000000130fc-4.dat	family_kutaki

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ezbmabfk.exe	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ezbmabfk.exe	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe

Executes dropped EXE 1 IoCs

pid	Process
2552	ezbmabfk.exe

Loads dropped DLL 2 IoCs

pid	Process
2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe
2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2436	DllHost.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe
2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe
2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe
2552	ezbmabfk.exe
2552	ezbmabfk.exe
2552	ezbmabfk.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2984	2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe	28
PID 2192 wrote to memory of 2984	2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe	28
PID 2192 wrote to memory of 2984	2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe	28
PID 2192 wrote to memory of 2984	2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe	28
PID 2192 wrote to memory of 2552	2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe	30
PID 2192 wrote to memory of 2552	2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe	30
PID 2192 wrote to memory of 2552	2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe	30
PID 2192 wrote to memory of 2552	2192	314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe	30

C:\Users\Admin\AppData\Local\Temp\314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe
"C:\Users\Admin\AppData\Local\Temp\314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\NewBitmapImage.bmp
  2⤵
  PID:2984
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ezbmabfk.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ezbmabfk.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2552

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ezbmabfk.exe

Filesize
617KB

MD5
9b719e21e56dfe22fe282fcd496d83c6

SHA1
f0229d661757258893ca0f0b9daf21ac52d71364

SHA256
314354ecd6851e77c74ab85bba3a53c9f2ee6c95010410f8ef3c5c435600ecb2

SHA512
c969de50ba51747e457aed23a2f60a131e055d217c8e941ea03e0f51a2f441d4dc4f105ae78418f7be9bec326f7949ebabe174e9c50226c6ef8c59c57418750e

Download Submit
memory/2436-63-0x0000000000160000-0x0000000000162000-memory.dmp

Filesize
8KB

Download
memory/2436-64-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2436-65-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2984-62-0x0000000002040000-0x0000000002042000-memory.dmp

Filesize
8KB

Download