MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3e2eb8d5314dd597cd3758f7d60b8fb0ff7f1c59733ad4baeafff4268a5f175. 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:	c3e2eb8d5314dd597cd3758f7d60b8fb0ff7f1c59733ad4baeafff4268a5f175
SHA3-384 hash:	3c5aa7f307bd252f50a2fe6a329fd349d4749982619394e99adcdafe4f93c117bf7ae880c43709909a3a10cdcb120522
SHA1 hash:	681d3150a72136dceaec11d3ec1cbc2422f36793
MD5 hash:	f23245bb2c6ea749338efa521124d1a5
humanhash:	mars-asparagus-missouri-william
File name:	2023-05-09_f23245bb2c6ea749338efa521124d1a5_kovter
Download:	download sample
Signature	Kovter Create hunting rule
File size:	370'688 bytes
First seen:	2023-05-10 03:14:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:gCmsJKuE6B73ixakrU4OUiMpIxZJKIbZBbVg9M/bT1p4eQBqytf:Fmg9Lo3SZHbfbT1Sezs
Threatray	42 similar samples on MalwareBazaar
TLSH	T190743A39F640E237D8229CB8DC0FE2D56579B6302E351D57B6E11F0C88B5693AB1BA43
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_f23245bb2c6ea749338efa521124d1a5_kovter

Verdict:

No threats detected

Analysis date:

2023-05-10 03:19:12 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/84616cac-6589-43af-a91b-203c23ba73dc

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/387993/

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/645b0c4ed054a0b0ef846c5f/reports/f987860f-382e-4382-b622-f377c3018f1d/overview

Verdict:

Malicious

Labled as:

Alphaeon.Generic

Link:

https://www.hybrid-analysis.com/sample/c3e2eb8d5314dd597cd3758f7d60b8fb0ff7f1c59733ad4baeafff4268a5f175

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/14fbdb24-42cb-47b8-a687-cad197b18eca

Result

Threat name:

DBatLoader, Kovter

Detection:

malicious

Classification:

troj

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/1229689

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/c3e2eb8d5314dd597cd3758f7d60b8fb0ff7f1c59733ad4baeafff4268a5f175/

Threat name:

Win32.Trojan.Alphaeon

Status:

Malicious

First seen:

2023-05-08 15:48:24 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=yproxdktctovs7gtowhx2yfy7mh7p4ofs4z22s5ov77ue2ff6f2q._file

Verdict:

malicious

Result

Malware family:

modiloader

Score:

10/10

Tags:

family:modiloader

Link:

https://tria.ge/reports/230510-dry7hseb35/

Behaviour

Program crash

Unpacked files

SH256 hash:

c3e2eb8d5314dd597cd3758f7d60b8fb0ff7f1c59733ad4baeafff4268a5f175

MD5 hash:

f23245bb2c6ea749338efa521124d1a5

SHA1 hash:

681d3150a72136dceaec11d3ec1cbc2422f36793

Detections:

win_kovter_auto

Link:

https://www.unpac.me/results/b8d5efb5-80a1-447a-b70f-2e62dad3765c/

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/c3e2eb8d5314dd597cd3758f7d60b8fb0ff7f1c59733ad4baeafff4268a5f175

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/387993/

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