MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5be23df0cfd529674c9939bf11e4d0f61693f898cf989e7b7acf62202c0874e. 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


VirLock


Vendor detections: 3


Intelligence 3 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5be23df0cfd529674c9939bf11e4d0f61693f898cf989e7b7acf62202c0874e
SHA3-384 hash: 1f3d9821c7ba1361a0a8ad771b9aac2af30adbd8f7fb52ca540c888105acc2b91c2bbd10443e482c3f9fb3fa4a4f1a71
SHA1 hash: 06e41c2587ab8235c6782cf1af589099a6242666
MD5 hash: 3cf83ee9b1eca7399241843618e9ea5e
humanhash: mango-blue-orange-shade
File name:f5be23df0cfd529674c9939bf11e4d0f61693f898cf989e7b7acf62202c0874e
Download: download sample
Signature VirLock
Create hunting rule
File size:418'218 bytes
First seen:2020-03-23 18:48:40 UTC
Last seen:2020-03-26 22:20:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 770abdf03ba47374697338ef52643e29 (1 x VirLock)
ssdeep 6144:C9oXC7GqcqR9SptLvc6JYVdz6zxV7roeS1SDDqexyBnbjcB8cxBdtcwCcML8mX/2:ZiG7e9SpJvcoYPIzfU1SryRUXxztcdyZ
TLSH 3394E087D7D941B0F4AB31F10CAB173FCF22BC966560C68B574CFE8698B17828919762
Reporter Marco_Ramilli
Tags:exe VirLock

Intelligence

File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Packed.Kovter-6333830-0
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Kovter
Create hunting rule
Status:
Malicious
First seen:
2017-05-22 11:02:15 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
45 of 48 (93.75%)
Threat level:
  5/5
Verdict:
malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:win_kovter_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_kovter_g0
Create hunting rule
Author:mak

File information

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

Web download

VirLock

Executable exe f5be23df0cfd529674c9939bf11e4d0f61693f898cf989e7b7acf62202c0874e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/283879/
  
Delivery method
Distributed via web download

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play MultimediaWINMM.dll::PlaySoundA
WINMM.dll::waveInStop
WINMM.dll::waveOutReset
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::CheckTokenMembership
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
WININET.dll::InternetCloseHandle
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileA
KERNEL32.dll::CopyFileExA
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateDirectoryExW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA
ADVAPI32.dll::CryptCreateHash
ADVAPI32.dll::CryptDecrypt
ADVAPI32.dll::CryptDeriveKey
ADVAPI32.dll::CryptEncrypt
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegSetValueExA
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::AppendMenuA
USER32.dll::FindWindowExA
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA
USER32.dll::CreateWindowExW

Comments