kutaki | d0ea011052ff56385e54f47e5f45ae11792a673d22e45ac16661d214b0ed1009

Analysis

max time kernel
148s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/11/2022, 13:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEFT_Payment.exe
Size

2.3MB
MD5

d61dd474340f39a91ae57cfd1c997fb0
SHA1

22586db543f8770c767ed89c62d7352e80620d8d
SHA256

4ca11aff38d3d7b79a6ee372e8aab8ac38157965f975f8540065bc67bc116824
SHA512

2df78e05dac0142ce18eb78d0c15f0e7ffcc9a26231603f5ddda6de53d9a17dc7fd0bc55bfeb245e791b5c87e22a0b6dea81b9a830373a41ffe2586cd7f19108
SSDEEP

49152:FlkWk5cS7a+9XYaQhZehc4mTYJ78V9gyBn4cMfmP/SA8N:rajJaZ942KQV9hp47fmP/SA8

Score

10^/10

kutaki keylogger stealer

Malware Config

Extracted

Family

kutaki

http://treysbeatend.com/laptop/squared.php

http://terebinnahicc.club/sec/kool.txt

Signatures

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

Kutaki Executable 3 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000054a8-58.dat	family_kutaki
behavioral1/files/0x000c0000000054a8-59.dat	family_kutaki
behavioral1/files/0x000c0000000054a8-61.dat	family_kutaki

Executes dropped EXE 1 IoCs

pid	Process
1772	voumxafk.exe

Drops startup file 2 IoCs

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

Loads dropped DLL 2 IoCs

pid	Process
1972	NEFT_Payment.exe
1972	NEFT_Payment.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 64 IoCs

pid	Process
1972	NEFT_Payment.exe
1972	NEFT_Payment.exe
1972	NEFT_Payment.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe
1772	voumxafk.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1776	1972	NEFT_Payment.exe	29
PID 1972 wrote to memory of 1776	1972	NEFT_Payment.exe	29
PID 1972 wrote to memory of 1776	1972	NEFT_Payment.exe	29
PID 1972 wrote to memory of 1776	1972	NEFT_Payment.exe	29
PID 1972 wrote to memory of 1772	1972	NEFT_Payment.exe	31
PID 1972 wrote to memory of 1772	1972	NEFT_Payment.exe	31
PID 1972 wrote to memory of 1772	1972	NEFT_Payment.exe	31
PID 1972 wrote to memory of 1772	1972	NEFT_Payment.exe	31

C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe
"C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
  2⤵
  PID:1776
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\voumxafk.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\voumxafk.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1772

Network

MITRE ATT&CK Enterprise v6

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\voumxafk.exe

Filesize
2.3MB

MD5
d61dd474340f39a91ae57cfd1c997fb0

SHA1
22586db543f8770c767ed89c62d7352e80620d8d

SHA256
4ca11aff38d3d7b79a6ee372e8aab8ac38157965f975f8540065bc67bc116824

SHA512
2df78e05dac0142ce18eb78d0c15f0e7ffcc9a26231603f5ddda6de53d9a17dc7fd0bc55bfeb245e791b5c87e22a0b6dea81b9a830373a41ffe2586cd7f19108

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\voumxafk.exe

Filesize
2.3MB

MD5
d61dd474340f39a91ae57cfd1c997fb0

SHA1
22586db543f8770c767ed89c62d7352e80620d8d

SHA256
4ca11aff38d3d7b79a6ee372e8aab8ac38157965f975f8540065bc67bc116824

SHA512
2df78e05dac0142ce18eb78d0c15f0e7ffcc9a26231603f5ddda6de53d9a17dc7fd0bc55bfeb245e791b5c87e22a0b6dea81b9a830373a41ffe2586cd7f19108

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\voumxafk.exe

Filesize
2.3MB

MD5
d61dd474340f39a91ae57cfd1c997fb0

SHA1
22586db543f8770c767ed89c62d7352e80620d8d

SHA256
4ca11aff38d3d7b79a6ee372e8aab8ac38157965f975f8540065bc67bc116824

SHA512
2df78e05dac0142ce18eb78d0c15f0e7ffcc9a26231603f5ddda6de53d9a17dc7fd0bc55bfeb245e791b5c87e22a0b6dea81b9a830373a41ffe2586cd7f19108

Download Submit
memory/1972-56-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download