MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcd952d2995d187c5a87ec0e03b638e02d7157b9a01d4e7c28ce7a6d6b28ac42. 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



Medusa


Vendor detections: 16


Intelligence 16 IOCs YARA 12 File information Comments

SHA256 hash: bcd952d2995d187c5a87ec0e03b638e02d7157b9a01d4e7c28ce7a6d6b28ac42
SHA3-384 hash: 2ae3200fc2008519ca3ce30e53bc523099ec6eb495d41689c70eea48cc19866c9d837fb62c9405c5e3b899f5f708bdb7
SHA1 hash: 6169263cd2ff0baf06cce5a61cd70fe22cc86942
MD5 hash: e874240a53fc353bc770f507445cc061
humanhash: finch-gee-eleven-helium
File name:bcd952d2995d187c5a87ec0e03b638e02d7157b9a01d4e7c28ce7a6d6b28ac42
Download: download sample
Signature Medusa
File size:638'977 bytes
First seen:2025-04-29 15:42:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 82a8292007e682f1a127ba8dcebfae96 (23 x Medusa)
ssdeep 12288:hd0aVXqKVXjdnMUs10XjzXQIGP0uNFoEKY8gMDidGPZ55jEPttS6tEVwuYlwIBl/:XC82SUs3cZVS/GWvfFnayWHD5ZHsjWPx
Threatray 23 similar samples on MalwareBazaar
TLSH T187D49F257482C176E57202314E5CABB661BFFC300B734EEB67D05A5E5A381E06E3297B
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter TheRavenFile
Tags:exe Medusa Ransomware


Avatar
RakeshKrish12
Source: https://github.com/TheRavenFile/Daily-Hunt/blob/main/Medusa%20Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
539
Origin country :
IN IN
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
bcd952d2995d187c5a87ec0e03b638e02d7157b9a01d4e7c28ce7a6d6b28ac42
Verdict:
Malicious activity
Analysis date:
2025-04-29 15:48:43 UTC
Tags:
xor-url generic medusa ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
medusalocker ransomware medusa sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Launching the process to interact with network services
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto fingerprint hacktool microsoft_visual_cc obfuscated overlay
Result
Threat name:
MedusaLocker, TrojanRansom
Detection:
malicious
Classification:
rans.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to encrypt and move a file in one function
Creates files in the recycle bin to hide itself
Deletes shadow drive data (may be related to ransomware)
Disables security and backup related services
Found ransom note / readme
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sigma detected: Suspicious Windows Service Tampering
Tries to harvest and steal browser information (history, passwords, etc)
Writes a notice file (html or txt) to demand a ransom
Yara detected MedusaLocker Ransomware
Yara detected TrojanRansom
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1677437 Sample: S8oS9ZqTp1.exe Startdate: 29/04/2025 Architecture: WINDOWS Score: 100 46 tse1.mm.bing.net 2->46 48 pki-goog.l.google.com 2->48 50 4 other IPs or domains 2->50 52 Antivirus detection for URL or domain 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 7 other signatures 2->58 8 S8oS9ZqTp1.exe 1002 2->8         started        signatures3 process4 file5 38 C:\Users\user\...\!!!READ_ME_MEDUSA!!!.txt, ASCII 8->38 dropped 40 C:\Users\user\...\!!!READ_ME_MEDUSA!!!.txt, ASCII 8->40 dropped 42 C:\Users\user\...\!!!READ_ME_MEDUSA!!!.txt, ASCII 8->42 dropped 44 13 other files (7 malicious) 8->44 dropped 60 Query firmware table information (likely to detect VMs) 8->60 62 Creates files in the recycle bin to hide itself 8->62 64 Contains functionality to encrypt and move a file in one function 8->64 66 5 other signatures 8->66 12 net.exe 1 8->12         started        14 net.exe 8->14         started        16 net.exe 8->16         started        18 18 other processes 8->18 signatures6 process7 process8 20 conhost.exe 12->20         started        22 net1.exe 12->22         started        24 conhost.exe 14->24         started        26 net1.exe 14->26         started        28 conhost.exe 16->28         started        30 net1.exe 16->30         started        32 conhost.exe 18->32         started        34 net1.exe 18->34         started        36 31 other processes 18->36
Threat name:
Win32.Ransomware.Medusa
Status:
Malicious
First seen:
2024-07-31 16:47:39 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
medusaransomware
Score:
  10/10
Tags:
family:medusaransomware credential_access discovery persistence ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Modifies Internet Explorer settings
Modifies registry class
Runs net.exe
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops desktop.ini file(s)
Enumerates connected drives
Network Share Discovery
Credentials from Password Stores: Windows Credential Manager
Drops startup file
Reads user/profile data of web browsers
Boot or Logon Autostart Execution: Active Setup
Renames multiple (9640) files with added filename extension
Medusa Ransomware
Medusaransomware family
Verdict:
Malicious
Tags:
Win.Ransomware.Medusa-10025438-0
YARA:
n/a
Unpacked files
SH256 hash:
bcd952d2995d187c5a87ec0e03b638e02d7157b9a01d4e7c28ce7a6d6b28ac42
MD5 hash:
e874240a53fc353bc770f507445cc061
SHA1 hash:
6169263cd2ff0baf06cce5a61cd70fe22cc86942
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:CMD_Ping_Localhost
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:medusa_ransomware
Rule name:Nymaim
Author:Chaitanya
Description:Nymaim Loader
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Ransomware_Medusa_fda487fd
Author:Elastic Security

File information


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

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetFileAttributesW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptCreateHash
bcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptEncrypt
bcrypt.dll::BCryptFinishHash
bcrypt.dll::BCryptGenerateSymmetricKey
bcrypt.dll::BCryptGetProperty
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CryptDecodeObjectEx
bcrypt.dll::BCryptHashData
bcrypt.dll::BCryptImportKeyPair

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