MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ecff2a27d130436799b218fd5e5faedd8a297df6d1e60c606d3c7a02a7b6cbf. 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

SHA256 hash:	2ecff2a27d130436799b218fd5e5faedd8a297df6d1e60c606d3c7a02a7b6cbf
SHA3-384 hash:	a36eb6e584d796d74bd9d312be08d8aa720dba449b73e14d99b2a3f4300bd96910dfd2cc654a0a758004ccedad486c6b
SHA1 hash:	0e314b82217f1b0e71a2b1e0771e2ac4f77929ff
MD5 hash:	b91541a1b6cd987ac027099c5f66451d
humanhash:	victor-johnny-uniform-december
File name:	2023-05-09_b91541a1b6cd987ac027099c5f66451d_kovter
Download:	download sample
Signature	Kovter Create hunting rule
File size:	370'688 bytes
First seen:	2023-05-10 03:14:17 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:EXcL11NuPqiAXdmwp+k1g7W+Le1E/zvJKCaPZzRQyRR/HcTspB6ZQdq0Lw:wcxbuC3JjyvJqPhHcTsKZDX
Threatray	32 similar samples on MalwareBazaar
TLSH	T17474393AF640E637E4225CBC9C4FD3E56579B2342E381947BAE11F0C89B5583AA1B743
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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

2023-05-09_b91541a1b6cd987ac027099c5f66451d_kovter

Verdict:

No threats detected

Analysis date:

2023-05-10 03:16:37 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/67c8966f-e678-4643-ab71-cd936b680a20

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/387985/

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)

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

exploit kovter packed ransomware shell32.dll

Link:

https://www.filescan.io/uploads/645b0c45d860ee3e1ca6948c/reports/cc869a8a-ad41-4c81-90b6-74ef2f1d2db0/overview

Verdict:

Malicious

Labled as:

Alphaeon.Generic

Link:

https://www.hybrid-analysis.com/sample/2ecff2a27d130436799b218fd5e5faedd8a297df6d1e60c606d3c7a02a7b6cbf

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/e849b896-2ad2-4a73-9590-a3c48f922275

Result

Threat name:

DBatLoader, Kovter

Detection:

malicious

Classification:

troj

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/1229701

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

Yara detected Kovter

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2ecff2a27d130436799b218fd5e5faedd8a297df6d1e60c606d3c7a02a7b6cbf/

Threat name:

Win32.Trojan.Alphaeon

Status:

Malicious

First seen:

2023-05-08 15:48:18 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=f3h7fit5cmcdm6m3egh5lzp25xmkff67nupgbrqg2pd2akt3ns7q._file

Verdict:

malicious

Result

Malware family:

modiloader

Score:

10/10

Tags:

family:modiloader

Link:

https://tria.ge/reports/230510-drykzseb29/

Behaviour

Program crash

Unpacked files

SH256 hash:

2ecff2a27d130436799b218fd5e5faedd8a297df6d1e60c606d3c7a02a7b6cbf

MD5 hash:

b91541a1b6cd987ac027099c5f66451d

SHA1 hash:

0e314b82217f1b0e71a2b1e0771e2ac4f77929ff

Detections:

win_kovter_auto

Link:

https://www.unpac.me/results/d25a4d79-4bff-4495-b524-67d09477a0ce/

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/2ecff2a27d130436799b218fd5e5faedd8a297df6d1e60c606d3c7a02a7b6cbf

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/387985/

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