MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 311d14dc2e9bfcd727d49cf4e98973e4f981110e2cdd2af4bb35c7f834263d52. 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: 12

Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash:	311d14dc2e9bfcd727d49cf4e98973e4f981110e2cdd2af4bb35c7f834263d52
SHA3-384 hash:	b9e84289bdf27fd4d9dab08ba12a7bd1eac3bdb142260b78f8bdfb0e94b54e79e748d6fb64b7eccbf78df56bd56bf06b
SHA1 hash:	57e00e27f701e17a83f7620d54f47230b5e70e12
MD5 hash:	5768e74f555c37752e893f5005ec792c
humanhash:	lion-juliet-fix-social
File name:	2023-03-08_5768e74f555c37752e893f5005ec792c_kovter
Download:	download sample
Signature	Kovter Create hunting rule
File size:	370'688 bytes
First seen:	2023-03-09 14:49:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:IlE4lZ62gh1Bu5/F4Hmk0gwSGisRnJYW6vRL1muVz/uHyssGvQdqR2tA:IO4j6PM5t4ogGJQvxuHyivzRX
Threatray	10 similar samples on MalwareBazaar
TLSH	T10E742935F680E537D4215CBC9E0FD2D5A579B2342E381D0BB6E51F0C98F9193AA2BA43
TrID	24.6% (.EXE) Win64 Executable (generic) (10523/12/4) 23.4% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2) 15.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.5% (.EXE) Win32 Executable (generic) (4505/5/1) 7.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
Reporter	petikvx

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

2023-03-08_5768e74f555c37752e893f5005ec792c_kovter

Verdict:

No threats detected

Analysis date:

2023-03-09 14:55:47 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/f3bba5ab-70a5-4a2c-9ad5-a10f2e550bda

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Kovter

Link:

https://www.capesandbox.com/analysis/373042/

Detection(s):

PUA.Win.Packer.BorlandDelphi-5

PUA.Win.Packer.BorlandDelphi-6

PUA.Win.Packer.PrivateExeProte-11

Win.Trojan.Kovter-6489152-1

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Sending a custom TCP request

Verdict:

Suspicious

Threat level:

5/10

Confidence:

67%

Tags:

packed shell32.dll

Link:

https://www.filescan.io/uploads/6409f222ecb98d1010641b0e/reports/f3cfd7f8-09dc-46be-b171-93b674e64729/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/311d14dc2e9bfcd727d49cf4e98973e4f981110e2cdd2af4bb35c7f834263d52

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

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0bd820a1-8757-49dd-b167-de7a9066d466

Result

Threat name:

DBatLoader

Detection:

malicious

Classification:

troj

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1190516

Signature

Antivirus / Scanner detection for submitted sample

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected DBatLoader

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/311d14dc2e9bfcd727d49cf4e98973e4f981110e2cdd2af4bb35c7f834263d52/

Threat name:

Win32.Trojan.Alphaeon

Status:

Malicious

First seen:

2023-03-07 18:42:41 UTC

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=georjxbotp6noj6utt2otclt4t4yceioftosv5f3gxd7qnbghvja._file

Result

Malware family:

modiloader

Score:

10/10

Tags:

family:modiloader

Link:

https://tria.ge/reports/230309-r7lg9ach54/

Behaviour

Program crash

Unpacked files

SH256 hash:

311d14dc2e9bfcd727d49cf4e98973e4f981110e2cdd2af4bb35c7f834263d52

MD5 hash:

5768e74f555c37752e893f5005ec792c

SHA1 hash:

57e00e27f701e17a83f7620d54f47230b5e70e12

Detections:

win_kovter_auto

Link:

https://www.unpac.me/results/741008a7-4ba4-44bd-88b8-f577a084ac81/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/311d14dc2e9bfcd727d49cf4e98973e4f981110e2cdd2af4bb35c7f834263d52

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:	Kovter Create hunting rule
Author:	kevoreilly
Description:	Kovter Payload

Rule name:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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

https://www.capesandbox.com/analysis/373042/

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