MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64f2199bba8894892bdffdd85a8b8607ff81c4698508903b099723958d67155b. 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


Kovter


Vendor detections: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64f2199bba8894892bdffdd85a8b8607ff81c4698508903b099723958d67155b
SHA3-384 hash: d7807997ce7a35398c4b2d5b4732191029937107d871d3e168c7bcf25f1e5dfa871ef5c619b84031f2a731f8eeacac12
SHA1 hash: 5777939c6bf5ed383723681855e740b0a180eb70
MD5 hash: 37defef1e3afc32761d2e7ce482d00d4
humanhash: eight-maine-william-mirror
File name:Trojan.Win32.Kovter.ajqz-64f2199bba8894892bdffdd85a8b8607ff81c4698508903b099723958d67155b
Download: download sample
Signature Kovter
Create hunting rule
File size:405'504 bytes
First seen:2023-03-16 19:40:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c62ca0115b2faa73006dca641101cfb1 (6 x Kovter)
ssdeep 6144:YE9yDzN5oqKVsJAC328uO6s1wQW877buWxjy/qj+aA/H4:HEDJ5ofs9BuOB1wQW87XuWxM
Threatray 56 similar samples on MalwareBazaar
TLSH T122844A39F680D537D42118BCCE0FD2E5A569F2342D381957B6E45F4C48F9683AE2BA43
TrID 25.8% (.EXE) Win64 Executable (generic) (10523/12/4)
24.6% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
16.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
11.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
Reporter petikvx
Tags:Kovter

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Trojan.Win32.Kovter.ajqz-64f2199bba8894892bdffdd85a8b8607ff81c4698508903b099723958d67155b
Verdict:
No threats detected
Analysis date:
2023-03-16 19:43:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/11bf9663-8102-4249-842c-8533f8501bb0

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/374886/
Detection(s):
PUA.Win.Packer.BorlandDelphi-5
Create hunting rule

PUA.Win.Packer.BorlandDelphi-6
Create hunting rule

PUA.Win.Packer.PrivateExeProte-11
Create hunting rule

Win.Trojan.Kovter-6489152-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys greyware kovter overlay packed packed shell32.dll yakes
Link:
https://www.filescan.io/uploads/641370d2c60b3295f52b6632/reports/be19c96b-0bc7-47c9-bd8b-ce518714ea7a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/64f2199bba8894892bdffdd85a8b8607ff81c4698508903b099723958d67155b
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:
Kovter
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2f0a9d98-e3ce-4458-83f0-bef04ffe0808
Result
Threat name:
DBatLoader, Kovter
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1195307
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected DBatLoader
Yara detected Kovter
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/64f2199bba8894892bdffdd85a8b8607ff81c4698508903b099723958d67155b/
Threat name:
Win32.Trojan.Ditertag
Create hunting rule
Status:
Malicious
First seen:
2021-08-20 23:13:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
28 of 39 (71.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mtzbtg52rckisk677xmfvc4ga77ydrdjquejaoyjs4rzldlhcvnq._file
Verdict:
malicious
Similar samples:
1275f5a22cfdf8515f46d699a2bfaa02bfb5e06c659cdbcc70df01b371d1346c
Kovter
23510e22393982e935093cce2d34e81ec14f75a63a19d4ffd64680bfe0a03df8
Kovter
4720af243b612b187a8d2edbe999141639b10f7af54c863c1e77cf6d02d83b2b
Kovter
47792144c9b440b3d2fbd422f68a23a8a8dfc16466d2a7430fc283a9d382826f
Kovter
4f8e1230dc7747abba01db65d3d7d1ab60426f9f1ed7fdf8ae2b483cbc8a4b96
Kovter
8e4aa5a69a20e6a4efd973ac05879ac65d95c34903941c425db43e47f896e2ee
Kovter
d1e98d6c4bbd621aad229cd3f36b0c917baad01ff7f0a10c70a9488732d4f0a3
Kovter
dd06fe981c4c4f544efca799ff968f022e1172ed2bb545bf3de1a7cbdcba3f3d
Kovter
fa8676f51efbb59d92fd71b77ae56c6d14d062e998e1ad301619fe6f2a7e31e7
Kovter
+ 46 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader trojan
Link:
https://tria.ge/reports/230316-yd39jaeg7t/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
64f2199bba8894892bdffdd85a8b8607ff81c4698508903b099723958d67155b
MD5 hash:
37defef1e3afc32761d2e7ce482d00d4
SHA1 hash:
5777939c6bf5ed383723681855e740b0a180eb70
Detections:
win_kovter_auto
Create hunting rule
win_kovter_g0
Create hunting rule
Link:
https://www.unpac.me/results/fe7a9747-fc91-4a41-85a3-38112f2da1cb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kovter
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/64f2199bba8894892bdffdd85a8b8607ff81c4698508903b099723958d67155b

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:aPLib_decompression
Create hunting rule
Author:@r3c0nst
Description:Detects aPLib decompression code often used in malware
Reference:https://ibsensoftware.com/files/aPLib-1.1.1.zip
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Win32_Ransomware_Kovter
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects Kovter ransomware.
Rule name:win_kovter_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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/374886/

Comments