MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55c1fe8c4c6adc709a70d0a4e2f2e13a1d396cb2cc6131d53f805bd816ad0169. 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:	55c1fe8c4c6adc709a70d0a4e2f2e13a1d396cb2cc6131d53f805bd816ad0169
SHA3-384 hash:	8d12621af72920c7196115059167bdce770b8e074648a3f304b117eac967e0a1af43097c51ba7ed13eb283a5a1906d5d
SHA1 hash:	0d0e93872d2b348abd77d667d2e6ca1c8a5e8ce1
MD5 hash:	7999e82dbfb8afa4ecdd0d234e4e7d5a
humanhash:	juliet-golf-princess-violet
File name:	2023-03-08_7999e82dbfb8afa4ecdd0d234e4e7d5a_kovter
Download:	download sample
Signature	Kovter Create hunting rule
File size:	370'688 bytes
First seen:	2023-03-09 14:49:12 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
ssdeep	6144:kej+ufLiTiZJxhktKkoO36MyYwF9zgFfkPN9fv4Fm/PJ/XVsEQxqgrA/3:BCILYi73WK90ZkPHPJ/XaE7gUP
Threatray	16 similar samples on MalwareBazaar
TLSH	T1E7744A39F640E637D43118B89E1FD1E4A579F6302E381D177AF52F4C88B9153AA2BA43
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_7999e82dbfb8afa4ecdd0d234e4e7d5a_kovter

Verdict:

No threats detected

Analysis date:

2023-03-09 14:58:10 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/5249d085-c083-4a18-a80c-7fa7af6cdef9

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/373043/

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)

Sending a custom TCP request

Verdict:

Suspicious

Threat level:

5/10

Confidence:

67%

Tags:

packed shell32.dll

Link:

https://www.filescan.io/uploads/6409f223f1a68c396b2e2cb4/reports/6737b939-a4c7-4665-96cb-0808f1f7828b/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/55c1fe8c4c6adc709a70d0a4e2f2e13a1d396cb2cc6131d53f805bd816ad0169

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/3afba864-b9a2-4395-8161-ae35830efae8

Result

Threat name:

DBatLoader

Detection:

malicious

Classification:

troj

Score:

76 / 100

Link:

https://www.joesandbox.com/analysis/1190515

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/55c1fe8c4c6adc709a70d0a4e2f2e13a1d396cb2cc6131d53f805bd816ad0169/

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=kxa75dcmnlohbgtq2csof4xbhiots3fszrqtdvj7qbn5qfvnafuq._file

Verdict:

malicious

Result

Malware family:

modiloader

Score:

10/10

Tags:

family:modiloader

Link:

https://tria.ge/reports/230309-r7lg9ach55/

Behaviour

Program crash

Unpacked files

SH256 hash:

55c1fe8c4c6adc709a70d0a4e2f2e13a1d396cb2cc6131d53f805bd816ad0169

MD5 hash:

7999e82dbfb8afa4ecdd0d234e4e7d5a

SHA1 hash:

0d0e93872d2b348abd77d667d2e6ca1c8a5e8ce1

Detections:

win_kovter_auto

Link:

https://www.unpac.me/results/c934618c-89a1-4f28-9b3f-f1593919916f/

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/55c1fe8c4c6adc709a70d0a4e2f2e13a1d396cb2cc6131d53f805bd816ad0169

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/373043/

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