MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 108eca1ca07bcea72dc58de2eabb9b4b693bb1a558758be02a262a07fdacc9ea. 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:	108eca1ca07bcea72dc58de2eabb9b4b693bb1a558758be02a262a07fdacc9ea
SHA3-384 hash:	307184450bc98b13060f63fac971d8a4195ff5160c5f8858b2ec7cc8a07ced305e2d53a24e6667cfc696f73ea285497f
SHA1 hash:	7b6e94d840f78f66925b57ceadf840aa8904a4c9
MD5 hash:	b1cc84bd5876c8248a0d6df9a5fca310
humanhash:	wyoming-apart-ack-georgia
File name:	2023-05-09_b1cc84bd5876c8248a0d6df9a5fca310_kovter
Download:	download sample
Signature	Kovter Create hunting rule
File size:	370'688 bytes
First seen:	2023-05-10 03:14:16 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:c2GAmvFSH/S2R95l4GBknTScyIE1GgXa0PF9PjwFi/FfPLYYcAQRqukg:ZGAmvFc/53rqqGgJPXFfPLaAjc
Threatray	32 similar samples on MalwareBazaar
TLSH	T19A744B39F241E537C43519BC9E0FE2D5A579FA302E341947B6E51F4C88F91836A2BA83
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 :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

2023-05-09_b1cc84bd5876c8248a0d6df9a5fca310_kovter

Verdict:

No threats detected

Analysis date:

2023-05-10 03:24:22 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/53ecee12-e311-4fb8-988b-4394e6ee03f0

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/387984/

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:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

exploit kovter packed ransomware shell32.dll

Link:

https://www.filescan.io/uploads/645b0c43d054a0b0ef846c5b/reports/a3575851-7986-4db3-a03a-b1e738a9c28e/overview

Verdict:

Malicious

Labled as:

Alphaeon.Generic

Link:

https://www.hybrid-analysis.com/sample/108eca1ca07bcea72dc58de2eabb9b4b693bb1a558758be02a262a07fdacc9ea

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/f4939c4c-b650-417e-a8e0-01f3b0974315

Result

Threat name:

DBatLoader, Kovter

Detection:

malicious

Classification:

troj

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/1229702

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/108eca1ca07bcea72dc58de2eabb9b4b693bb1a558758be02a262a07fdacc9ea/

Threat name:

Win32.Trojan.Alphaeon

Status:

Malicious

First seen:

2023-05-08 16:30:06 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=cchmuhfapphkolofrxrovo43jnutxmnflb2yxybkeyvap7nmzhva._file

Verdict:

malicious

Result

Malware family:

modiloader

Score:

10/10

Tags:

family:modiloader

Link:

https://tria.ge/reports/230510-drykzseb28/

Behaviour

Program crash

Unpacked files

SH256 hash:

108eca1ca07bcea72dc58de2eabb9b4b693bb1a558758be02a262a07fdacc9ea

MD5 hash:

b1cc84bd5876c8248a0d6df9a5fca310

SHA1 hash:

7b6e94d840f78f66925b57ceadf840aa8904a4c9

Detections:

win_kovter_auto

Link:

https://www.unpac.me/results/71095359-e780-4df4-8c3e-63057f61ef4d/

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/108eca1ca07bcea72dc58de2eabb9b4b693bb1a558758be02a262a07fdacc9ea

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/387984/

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