MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5a4734d26b0a93e6408039d97caea714f343d3e1888cfb99094e2d7d20678a4. 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:	e5a4734d26b0a93e6408039d97caea714f343d3e1888cfb99094e2d7d20678a4
SHA3-384 hash:	2c9a7af66839f747a84c5c26b03ad3627ba04b91f40854a19a97ee551479bbab7f69c26b84edbb75f013de89c7fed2f4
SHA1 hash:	c3d9fec8791bd77c3aa2fb5a8cc7248818b5898d
MD5 hash:	39f2751c7958770c341a1d95869fe4da
humanhash:	low-don-north-echo
File name:	2023-03-08_39f2751c7958770c341a1d95869fe4da_kovter
Download:	download sample
Signature	Kovter Create hunting rule
File size:	370'688 bytes
First seen:	2023-03-09 14:49:05 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:Ue9EV2vjQtuJxtH58AkeEf6sy4IV97isv9tv34Fu/ZZRDveQM8QRq+R5:R9EVgjhTP+K99vnZvveX8bW
Threatray	22 similar samples on MalwareBazaar
TLSH	T150744B39F680D637D42109BCDD0FD2E9A179F6302D341947B6E51F0C98F9593AA2BA83
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_39f2751c7958770c341a1d95869fe4da_kovter

Verdict:

No threats detected

Analysis date:

2023-03-09 14:50:43 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/9c019857-9af1-45cc-9599-9b40bafe1b89

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/373035/

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:

kovter packed shell32.dll

Link:

https://www.filescan.io/uploads/6409f21a8b48bcea611fbeaa/reports/b9edcb78-afe2-4b35-83af-82b2ae779a25/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/e5a4734d26b0a93e6408039d97caea714f343d3e1888cfb99094e2d7d20678a4

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/d2dabc29-c26f-442e-9f06-b3931cc3f593

Result

Threat name:

DBatLoader

Detection:

malicious

Classification:

troj

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1190539

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/e5a4734d26b0a93e6408039d97caea714f343d3e1888cfb99094e2d7d20678a4/

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=4wshgtjgwcut4zaiaoozpsxkofhtipj6dcem7omqstrnpuqgpcsa._file

Verdict:

malicious

Result

Malware family:

modiloader

Score:

10/10

Tags:

family:modiloader

Link:

https://tria.ge/reports/230309-r7k7gsch52/

Behaviour

Program crash

Unpacked files

SH256 hash:

e5a4734d26b0a93e6408039d97caea714f343d3e1888cfb99094e2d7d20678a4

MD5 hash:

39f2751c7958770c341a1d95869fe4da

SHA1 hash:

c3d9fec8791bd77c3aa2fb5a8cc7248818b5898d

Detections:

win_kovter_auto

Link:

https://www.unpac.me/results/323de3b0-6f94-4392-874a-7f4dc7d2ee9f/

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/e5a4734d26b0a93e6408039d97caea714f343d3e1888cfb99094e2d7d20678a4

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/373035/

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