MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78ca6781effca7ccebf6d6bb70cc58e34aeee09fca6e5d1c0a2d2ab4374e962c. 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:	78ca6781effca7ccebf6d6bb70cc58e34aeee09fca6e5d1c0a2d2ab4374e962c
SHA3-384 hash:	2a1c8b6c40b60b2ba2792bb1f9c8762a6c87461b48b89be7a6c9a4c728cb15b6b84aadf5f6d4bbbce6d509fef372f19f
SHA1 hash:	3d22e5fe87171f07d15f542d160837766128a1df
MD5 hash:	aa2f7917f891ff4c3d7c6825a18d574b
humanhash:	connecticut-lemon-emma-lion
File name:	2023-03-08_aa2f7917f891ff4c3d7c6825a18d574b_kovter
Download:	download sample
Signature	Kovter Create hunting rule
File size:	370'688 bytes
First seen:	2023-03-09 14:49:07 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:tqBjM72D8bFSSvxDdzmsk+mN+sy4G/lpFO75mHtp7NIdQ/a4kiph/UqQlqmcu:R2DCFxvph9mUlpC5mHDa4kipiqXG
Threatray	25 similar samples on MalwareBazaar
TLSH	T13E743939F380E637D43519B89D4FD2D5A579F6302E342D07BAE51F0C98F91836A2AA43
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_aa2f7917f891ff4c3d7c6825a18d574b_kovter

Verdict:

No threats detected

Analysis date:

2023-03-09 14:58:22 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/7e53751f-08e9-451e-9570-3baf4eb72556

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/373037/

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 the window

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Verdict:

Suspicious

Threat level:

5/10

Confidence:

67%

Tags:

packed shell32.dll

Link:

https://www.filescan.io/uploads/6409f21d8b48bcea611fbeac/reports/3b6a31e5-1724-4c20-9e45-1a820a63cdcb/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/78ca6781effca7ccebf6d6bb70cc58e34aeee09fca6e5d1c0a2d2ab4374e962c

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/fb73561a-3f7c-42b5-b524-13e999113886

Result

Threat name:

DBatLoader

Detection:

malicious

Classification:

troj

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1190533

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/78ca6781effca7ccebf6d6bb70cc58e34aeee09fca6e5d1c0a2d2ab4374e962c/

Threat name:

Win32.Trojan.Alphaeon

Status:

Malicious

First seen:

2023-03-07 18:42:41 UTC

AV detection:

19 of 25 (76.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=pdfgpapp7st4z27w225xbtcy4nfo5ye7zjxf2hakfuvlin2osywa._file

Verdict:

malicious

Result

Malware family:

modiloader

Score:

10/10

Tags:

family:modiloader

Link:

https://tria.ge/reports/230309-r7k7gsbg8s/

Behaviour

Program crash

Unpacked files

SH256 hash:

78ca6781effca7ccebf6d6bb70cc58e34aeee09fca6e5d1c0a2d2ab4374e962c

MD5 hash:

aa2f7917f891ff4c3d7c6825a18d574b

SHA1 hash:

3d22e5fe87171f07d15f542d160837766128a1df

Detections:

win_kovter_auto

Link:

https://www.unpac.me/results/998e85cb-71f8-4c56-ba24-61369138fbf2/

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/78ca6781effca7ccebf6d6bb70cc58e34aeee09fca6e5d1c0a2d2ab4374e962c

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/373037/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample