MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 102276ae1f518745695fe8f291bf6e69856b91723244881561bb1a2338d54b12. 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

CyberVolk

Vendor detections: 13

Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash:	102276ae1f518745695fe8f291bf6e69856b91723244881561bb1a2338d54b12
SHA3-384 hash:	ca5df90ad3935a10c3b785b5b6e71f0bdef159dbef53706260599d5d5c3714ffe8e10890a3c701810940160d8cfd3485
SHA1 hash:	f5d0c94b2be91342dc01ecf2f89e7e6f21a74b90
MD5 hash:	648bd793d9e54fc2741e0ba10980c7de
humanhash:	iowa-angel-undress-grey
File name:	ransom.exe
Download:	download sample
Signature	CyberVolk Create hunting rule
File size:	8'158'208 bytes
First seen:	2024-07-29 08:35:13 UTC
Last seen:	2024-10-06 08:05:49 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f032b4cc0eb4f2eac3f528efe4c73962 (1 x CyberVolk)
ssdeep	98304:9+v9K8MgmB4oIWcCJ3ZZVL8oYi5lTkZkmla1DXL:S4uWcCT9Gzl
TLSH	T12A86B53674DAA61DB212283EF2800950A722BEEA444CCE5262CD71E7FD5FE17DF2C459
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	JAMESWT_WT
Tags:	CryptoVolk CyberVolk DoubleFace DoubleFaceTeam exe Ransomware

Intelligence

File Origin

# of uploads :

# of downloads :

460

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

18049947966.zip

Verdict:

No threats detected

Analysis date:

2024-07-03 03:48:26 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/22175e79-840c-407a-a9df-e24e8a1e6065

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Clean

Score:

89.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66a730d43ee5253b89e5dc00

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Changing a file

Searching for the window

Creating a window

Creating a file

Creating a file in the %AppData% directory

Creating a file in the mass storage device

Encrypting user's files

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc filecoder lolbin microsoft_visual_cc ransomx shell32

Link:

https://www.filescan.io/uploads/66a75479dfa8b2fced4fa113/reports/551c6df5-3630-4dd4-a57f-bf2a8a078cb0/overview

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:

CryptoVolk

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/89e9f7b2-3c2f-4792-8527-c2feec161ce4

Result

Threat name:

Babuk

Detection:

malicious

Classification:

rans.spyw

Score:

57 / 100

Link:

https://www.joesandbox.com/analysis/1483874

Signature

AI detected suspicious sample

Found ransom note / readme

Multi AV Scanner detection for submitted file

Tries to harvest and steal browser information (history, passwords, etc)

Writes a notice file (html or txt) to demand a ransom

Yara detected Babuk Ransomware

Behaviour

Behavior Graph:

Download SVG

Score:

93%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/102276ae1f518745695fe8f291bf6e69856b91723244881561bb1a2338d54b12

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/102276ae1f518745695fe8f291bf6e69856b91723244881561bb1a2338d54b12/

Threat name:

Win32.Ransomware.CyberVolk

Status:

Malicious

First seen:

2024-07-01 18:24:53 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 38 (63.16%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=carhnlq7kgduk2k75dzjdp3ongcwxelsgjciqflbxmncgogvjmja._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

10/10

Tags:

credential_access discovery ransomware spyware stealer

Link:

https://tria.ge/reports/240729-khkfbszflp/

Behaviour

Browser Information Discovery

System Location Discovery: System Language Discovery

Sets desktop wallpaper using registry

Drops desktop.ini file(s)

Enumerates connected drives

Credentials from Password Stores: Windows Credential Manager

Drops startup file

Reads user/profile data of web browsers

Credentials from Password Stores: Credentials from Web Browsers

Renames multiple (1478) files with added filename extension

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/21fb8263-0624-4749-9a99-e5a28e87c4a8

Unpacked files

SH256 hash:

102276ae1f518745695fe8f291bf6e69856b91723244881561bb1a2338d54b12

MD5 hash:

648bd793d9e54fc2741e0ba10980c7de

SHA1 hash:

f5d0c94b2be91342dc01ecf2f89e7e6f21a74b90

Link:

https://www.unpac.me/results/9f73026b-0ef9-46e6-b57c-049035851236/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/102276ae1f518745695fe8f291bf6e69856b91723244881561bb1a2338d54b12

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	has_telegram_urls Create hunting rule
Author:	Aaron DeVera<aaron@backchannel.re>
Description:	Detects Telegram URLs

File information

The table below shows additional information about this malware sample such as delivery method and external references.

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDriveTypeW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleWindow KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::GetSystemDirectoryW KERNEL32.dll::FindFirstFileW
WIN_USER_API	Performs GUI Actions	USER32.dll::EmptyClipboard USER32.dll::FindWindowA USER32.dll::OpenClipboard

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