MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ba8934b2e8a41efed574f3bf16e3d754daf254fcae9ed658d9eca51529fa34d. 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:	1ba8934b2e8a41efed574f3bf16e3d754daf254fcae9ed658d9eca51529fa34d
SHA3-384 hash:	fe767c10e0d28bede1a6b62a4604fe57025c97f19634ca06e3f6aa68ba20e3a8a5e944c9c8d69e57731e97a3832886a1
SHA1 hash:	4b3a78491246f78566ec444a1c22226746a53a21
MD5 hash:	2e81a8097ac6d1902db1f74863b41c39
humanhash:	idaho-bluebird-cat-papa
File name:	2023-03-08_2e81a8097ac6d1902db1f74863b41c39_kovter
Download:	download sample
Signature	Kovter Create hunting rule
File size:	370'688 bytes
First seen:	2023-03-09 14:49:06 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:siW7SDayqQXtokkfP6MyMQZVHewrBtM70H4dy/lrDJYgQ1qUbfc:liwdvmqVxrrlrDygfV
Threatray	22 similar samples on MalwareBazaar
TLSH	T1F3743936F640E537D4269DBC9C4FD2E46529F2302E341D0BB6E51F4C88B9653AA2BB43
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 :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

2023-03-08_2e81a8097ac6d1902db1f74863b41c39_kovter

Verdict:

No threats detected

Analysis date:

2023-03-09 15:03:29 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/b064dfe1-f0b6-417a-8cb5-f5dec37e16a2

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/373036/

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

Sending a custom TCP request

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

kovter packed shell32.dll

Link:

https://www.filescan.io/uploads/6409f21c23801f596354b7e9/reports/9a41ec08-205c-404d-b6cf-e467d94bf2b6/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/1ba8934b2e8a41efed574f3bf16e3d754daf254fcae9ed658d9eca51529fa34d

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/a1137cc4-bc2e-4da8-8445-35f6ea53b5c5

Result

Threat name:

DBatLoader

Detection:

malicious

Classification:

troj

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1190535

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/1ba8934b2e8a41efed574f3bf16e3d754daf254fcae9ed658d9eca51529fa34d/

Threat name:

Win32.Trojan.Alphaeon

Status:

Malicious

First seen:

2023-03-07 18:41:01 UTC

AV detection:

19 of 25 (76.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=doujgszorja673kxj457c3r5ovg26jkpzlu62zmnt3ffcuu7ungq._file

Verdict:

malicious

Result

Malware family:

modiloader

Score:

10/10

Tags:

family:modiloader

Link:

https://tria.ge/reports/230309-r7k7gsch53/

Behaviour

Program crash

Unpacked files

SH256 hash:

1ba8934b2e8a41efed574f3bf16e3d754daf254fcae9ed658d9eca51529fa34d

MD5 hash:

2e81a8097ac6d1902db1f74863b41c39

SHA1 hash:

4b3a78491246f78566ec444a1c22226746a53a21

Detections:

win_kovter_auto

Link:

https://www.unpac.me/results/504c8023-cfa9-42ce-8f61-c477873a19a7/

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/1ba8934b2e8a41efed574f3bf16e3d754daf254fcae9ed658d9eca51529fa34d

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/373036/

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