kutaki | 026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a

General

Target

026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe
Size

805KB
MD5

ff22cbacd681684e683e3cc90b5eeb49
SHA1

ff242e78602ea1c38bf81830932858188a682040
SHA256

026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a
SHA512

d012ee702f1566fd99658bc231ddb5152001c11f665351c6a269293f00a5d9d67ade90e3d342f30a4b709067c59e7d01c4eecf5d418f0ea638d1857f5f0c3b25
SSDEEP

12288:cwU/v0YM3/BJzGG6bBiNH46A9jmP/uhu/yMS08CkntxYRjL:BK2BN6BiNYfmP/UDMS08Ckn3W

Score

10^/10

kutaki keylogger stealer

Malware Config

Extracted

Family

kutaki

C2

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

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yiawuwfk.exe	family_kutaki

Drops startup file 2 IoCs

Processes:

026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yiawuwfk.exe	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yiawuwfk.exe	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe

Executes dropped EXE 1 IoCs

Processes:

yiawuwfk.exe

pid process

2352 yiawuwfk.exe

pid	process
2352	yiawuwfk.exe

Loads dropped DLL 2 IoCs

Processes:

026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe

pid	process
2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe
2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.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

Processes:

DllHost.exe

pid process

2732 DllHost.exe

pid	process
2732	DllHost.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exeyiawuwfk.exe

pid	process
2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe
2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe
2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe
2352	yiawuwfk.exe
2352	yiawuwfk.exe
2352	yiawuwfk.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe

description	pid	process	target process
PID 2196 wrote to memory of 2032	2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe	cmd.exe
PID 2196 wrote to memory of 2032	2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe	cmd.exe
PID 2196 wrote to memory of 2032	2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe	cmd.exe
PID 2196 wrote to memory of 2032	2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe	cmd.exe
PID 2196 wrote to memory of 2352	2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe	yiawuwfk.exe
PID 2196 wrote to memory of 2352	2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe	yiawuwfk.exe
PID 2196 wrote to memory of 2352	2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe	yiawuwfk.exe
PID 2196 wrote to memory of 2352	2196	026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe	yiawuwfk.exe

C:\Users\Admin\AppData\Local\Temp\026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe
"C:\Users\Admin\AppData\Local\Temp\026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2196

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c C:\Users\Admin\AppData\Local\Temp\NewBitmapImage.bmp
2⤵
PID:2032

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yiawuwfk.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yiawuwfk.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2352

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:2732

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yiawuwfk.exe
Filesize
805KB

MD5
ff22cbacd681684e683e3cc90b5eeb49

SHA1
ff242e78602ea1c38bf81830932858188a682040

SHA256
026fd16b5f3c3d9d23e9a9dbd29af68d89e6ed4d8cadc250e00d798fd489d74a

SHA512
d012ee702f1566fd99658bc231ddb5152001c11f665351c6a269293f00a5d9d67ade90e3d342f30a4b709067c59e7d01c4eecf5d418f0ea638d1857f5f0c3b25

Download Submit
memory/2032-62-0x0000000000480000-0x0000000000482000-memory.dmp

Filesize
8KB

Download
memory/2732-63-0x0000000000170000-0x0000000000172000-memory.dmp

Filesize
8KB

Download
memory/2732-64-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2732-65-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads