MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0fd86e3254a14f3b99d141b8512eae447cd716436ba8a192422596a2b0bb625. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d0fd86e3254a14f3b99d141b8512eae447cd716436ba8a192422596a2b0bb625
SHA3-384 hash: ec8f0291213c581404f71e5b2863859e70c1df46d2fe2efcef16732a2a13c227d1252359bbf8688c241197a04ba9f089
SHA1 hash: 0b41411bd1f52c115d77fc44815beed1b3cb749c
MD5 hash: c43b7d74eef3fa1c025f08939e9d4be2
humanhash: saturn-potato-magnesium-massachusetts
File name:image.exe
Download: download sample
Signature Kutaki
Create hunting rule
File size:528'384 bytes
First seen:2021-12-29 01:22:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 55ca440ed2816a8cce78866834895c34 (1 x Kutaki)
ssdeep 12288:3TW7+/MVdT4c46A9jmP/uhu/yMS08CkntxYRn:3qgMVdTqfmP/UDMS08Ckn3i
TLSH T177B4DF0572F21B4EE9BA6E322EE395F24273784FAF67414AFE04212E2571E504A15F1F
File icon (PE):PE icon
dhash icon 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger)
Reporter Anonymous
Tags:exe Kutaki

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
image.exe
Verdict:
Malicious activity
Analysis date:
2021-12-29 01:23:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a8880232-d1bb-4bfb-9105-5e7d1b9d8377

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/216716/
Detection(s):
PUA.Win.Packer.ProtectSharewar-2
Create hunting rule

PUA.Win.Packer.ProtectSharewar-3
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
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
Launching a process
Searching for synchronization primitives
Launching a service
Creating a file
Changing a file
Delayed writing of the file
DNS request
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm evasive keylogger packed
Link:
https://www.filescan.io/uploads/61cbb896ec6c6c14a9fa5022/reports/8975b588-c096-4f2c-9903-b8a2a8a3e4f7/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/40890228-3bea-440b-b704-2ba637e3afb5
Result
Threat name:
Kutaki
Create hunting rule
Detection:
malicious
Classification:
rans.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/913609
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Initial sample is a PE file and has a suspicious name
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
Potential malicious icon found
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: 546087 Sample: image.exe Startdate: 29/12/2021 Architecture: WINDOWS Score: 100 24 Potential malicious icon found 2->24 26 Antivirus detection for dropped file 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 7 other signatures 2->30 7 image.exe 1 14 2->7         started        11 waizbxch.exe 2->11         started        process3 dnsIp4 20 C:\Users\user\AppData\...\waizbxch.exe, PE32 7->20 dropped 32 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->32 34 Drops PE files to the startup folder 7->34 14 cmd.exe 1 2 7->14         started        16 waizbxch.exe 1 12 7->16         started        22 192.168.2.1 unknown unknown 11->22 file5 signatures6 process7 process8 18 conhost.exe 14->18         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d0fd86e3254a14f3b99d141b8512eae447cd716436ba8a192422596a2b0bb625/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-12-28 23:07:03 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2d6ynyzfjikphom5cqnykexk4rd424leg25iugjeejmwukylwysq._file
Verdict:
unknown
Result
Malware family:
kutaki
Create hunting rule
Score:
  10/10
Tags:
family:kutaki keylogger stealer
Link:
https://tria.ge/reports/211229-brtkxschfj/
Behaviour
Modifies Internet Explorer settings
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
Drops startup file
Loads dropped DLL
Executes dropped EXE
Kutaki
Kutaki Executable
Unpacked files
SH256 hash:
d0fd86e3254a14f3b99d141b8512eae447cd716436ba8a192422596a2b0bb625
MD5 hash:
c43b7d74eef3fa1c025f08939e9d4be2
SHA1 hash:
0b41411bd1f52c115d77fc44815beed1b3cb749c
Link:
https://www.unpac.me/results/41744096-e314-43ef-83c5-d312846dd89d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d0fd86e3254a14f3b99d141b8512eae447cd716436ba8a192422596a2b0bb625

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:MALWARE_Win_Kutaki
Create hunting rule
Author:ditekSHen
Description:Detects Kutaki
Rule name:quakbot_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel

File information

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

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/216716/

Comments