MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a1d08a5e847f6faf3abdbbf95388055757c544c5b792be39463b94417d9ea69. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Kutaki


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments
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SHA256 hash: 9a1d08a5e847f6faf3abdbbf95388055757c544c5b792be39463b94417d9ea69
SHA3-384 hash: e2386cbe9ae8b5d077603b30254738cb4d6f17178e564c75c9bf981fb59ceca662dba353fa1bc7d205e509a8378f99e8
SHA1 hash: 97137de64f6d4f8e7d2ae769024ee4053bb3058e
MD5 hash: 79203689b5f7811d9215a51c7d8ca106
humanhash: michigan-fillet-xray-five
File name:jmt.exe
Download: download sample
Signature Kutaki
Create hunting rule
File size:644'306 bytes
First seen:2022-12-08 09:04:25 UTC
Last seen:2022-12-08 10:35:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash cb8fdcba868eadc95610f4b140b9ae80 (2 x Kutaki)
ssdeep 12288:diwaCECK5cldtdlEqDPylAwl46A9jmP/uhu/yMS08CkntxYRvL:qCED5cldtdPDgAw+fmP/UDMS08Ckn32
TLSH T1CDD49D07FA20B40AE467C4B19965E9AA192A7D7601409E0BB7C0BF9D35732D3ACF170F
TrID 77.2% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8)
6.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 9271f8f4f4f07182 (3 x Kutaki)
Reporter 0xToxin
Tags:exe Kutaki

Intelligence

File Origin
# of uploads :
2
# of downloads :
189
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
jmt.exe
Verdict:
Malicious activity
Analysis date:
2022-12-08 09:07:23 UTC
Tags:
kutaki
Link:
https://app.any.run/tasks/84ceedf2-3fea-43ab-a19c-5f09a2a5dc53

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/344236/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.19229.19236.3816.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Searching for the window
Sending a custom TCP request
Launching a service
Creating a file
Changing a file
Delayed writing of the file
Modifying a system executable file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6391a8c29a505ad9423e0c91/reports/cec2cb50-da3a-48c0-96a4-5d489b2abcae/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Kutaki
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d13621bf-c231-4af9-a4cb-daba95c80b95
Result
Threat name:
Kutaki
Create hunting rule
Detection:
malicious
Classification:
adwa.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1130562
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Yara detected Kutaki Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 763286 Sample: jmt.exe Startdate: 08/12/2022 Architecture: WINDOWS Score: 96 26 Antivirus detection for dropped file 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for dropped file 2->30 32 5 other signatures 2->32 7 jmt.exe 1 15 2->7         started        11 lnuqtffk.exe 2->11         started        process3 dnsIp4 22 C:\Users\user\AppData\...\lnuqtffk.exe, PE32 7->22 dropped 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->34 36 Drops PE files to the startup folder 7->36 14 lnuqtffk.exe 1 13 7->14         started        16 cmd.exe 2 7->16         started        24 192.168.2.1 unknown unknown 11->24 file5 signatures6 process7 process8 18 WerFault.exe 14->18         started        20 conhost.exe 16->20         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a1d08a5e847f6faf3abdbbf95388055757c544c5b792be39463b94417d9ea69/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-12-07 07:20:44 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
33 of 40 (82.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tioqrjpii73pv45l3o7zkoeakv2xyvcmln4sxy4umo4uif6z5juq._file
Result
Malware family:
kutaki
Create hunting rule
Score:
  10/10
Tags:
family:kutaki keylogger stealer
Link:
https://tria.ge/reports/221208-k17nkscd9t/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Kutaki
Kutaki Executable
Malware Config
C2 Extraction:
http://newbosslink.xyz/baba/new4.php
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/98f39449-ae80-44aa-a404-73e3be5b7387
Unpacked files
SH256 hash:
9a1d08a5e847f6faf3abdbbf95388055757c544c5b792be39463b94417d9ea69
MD5 hash:
79203689b5f7811d9215a51c7d8ca106
SHA1 hash:
97137de64f6d4f8e7d2ae769024ee4053bb3058e
Detections:
win_kutaki_auto
Create hunting rule
Link:
https://www.unpac.me/results/630facb8-2bbe-4acf-8ee3-3ed78efa24bf/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/9a1d08a5e847f6faf3abdbbf95388055757c544c5b792be39463b94417d9ea69

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:win_kutaki_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.kutaki.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/344236/

Comments