kutaki | 2b322f4e53d8e70e2f3a53d4024b2f96fb029e0563c78f1efc0e18f742a5c5a5

Analysis

max time kernel
122s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
01/08/2022, 10:38

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
NEFT_Payment.exe
Size 2.6MB
Sample220801-mpdmgafdg2
SHA256 c7e3deb446233da1eb6c6df66913065773d510a21750a9ea675b69be46ab245a
MD5 70e966394bf9947ff01b681bab9d0f71
SHA1 53946411e4e975a9ed354b16cd22041108e9f596
SHA512 a71a0b9b265b3c31c01305b121b386b8beb14cb6f670df4cbdad3d2fb7a3b3c508b25b48b253cba4c9aacde77e47fc32481fdc4cfc9221af83ea90ab7a6fc200
MD5 SHA1 SHA512

Score

10^/10

kutaki keylogger stealer

Malware Config

Extracted

Family

kutaki

http://ojorobia.club/laptop/laptop.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 2 IoCs

resource	yara_rule
behavioral2/files/0x000c000000022e20-135.dat	family_kutaki
behavioral2/files/0x000c000000022e20-134.dat	family_kutaki

Executes dropped EXE 1 IoCs

pid	Process
3776	znmqruch.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\znmqruch.exe	NEFT_Payment.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\znmqruch.exe	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 6 IoCs

pid	Process
5080	NEFT_Payment.exe
5080	NEFT_Payment.exe
5080	NEFT_Payment.exe
3776	znmqruch.exe
3776	znmqruch.exe
3776	znmqruch.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 3408	5080	NEFT_Payment.exe	84
PID 5080 wrote to memory of 3408	5080	NEFT_Payment.exe	84
PID 5080 wrote to memory of 3408	5080	NEFT_Payment.exe	84
PID 5080 wrote to memory of 3776	5080	NEFT_Payment.exe	85
PID 5080 wrote to memory of 3776	5080	NEFT_Payment.exe	85
PID 5080 wrote to memory of 3776	5080	NEFT_Payment.exe	85

C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe
"C:\Users\Admin\AppData\Local\Temp\NEFT_Payment.exe"
1⤵
- Drops startup file
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
  2⤵
  PID:3408
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\znmqruch.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\znmqruch.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3776

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

znmqruch.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\znmqruch.exe
Size 2.6MB
SHA256 c7e3deb446233da1eb6c6df66913065773d510a21750a9ea675b69be46ab245a
MD5 70e966394bf9947ff01b681bab9d0f71
SHA1 53946411e4e975a9ed354b16cd22041108e9f596
SHA512 a71a0b9b265b3c31c01305b121b386b8beb14cb6f670df4cbdad3d2fb7a3b3c508b25b48b253cba4c9aacde77e47fc32481fdc4cfc9221af83ea90ab7a6fc200
SSDEEP 24576:VckWYldr5HE+wS7aPK3v9oE3IfFAnQDhQSAd1chu6mfmP/UDMS08Ckn3I:akWk5cS7a+9XYaQ6d+hu6mfmP/SA8N4
MD5 SHA1 SHA512 SSDEEP

Submit Download