MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bad2b6e8ab16c5a692b2d05f68f7924a73a5818ddf3a9678ca8caab3568a78e. 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: 1bad2b6e8ab16c5a692b2d05f68f7924a73a5818ddf3a9678ca8caab3568a78e
SHA3-384 hash: 896dabda9be9653817cc8ed0145fce92d4aac7a9586edd2899920749baf454b5817d1cce084e3adcc93005375a185c27
SHA1 hash: f037584c363d566aa69b7307471012247707bb4c
MD5 hash: bd29231bc4f2c6d2f22fa026e2eaca40
humanhash: zebra-foxtrot-eleven-delaware
File name:1bad2b6e8ab16c5a692b2d05f68f7924a73a5818ddf3a9678ca8caab3568a78e
Download: download sample
Signature Medusa
File size:639'489 bytes
First seen:2025-04-30 06:25:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 82a8292007e682f1a127ba8dcebfae96 (23 x Medusa)
ssdeep 12288:V4eCA30wfnlxvaUwZNf6qYID7ZJuIQOsknZh20QyCkje0ZM7qgbGKTO7muYpralU:3C8valgsDyfSBKXyMUkW2LILGBm3IzPB
Threatray 36 similar samples on MalwareBazaar
TLSH T116D49E257482C076D67302314D5CEBB6617FFC314B730EEBA7805A6E5A381E16E3297A
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 MedusaLocker Ransomware


Avatar
RakeshKrish12
Source: https://github.com/TheRavenFile/Daily-Hunt/

Intelligence


File Origin
# of uploads :
1
# of downloads :
847
Origin country :
IN IN
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1bad2b6e8ab16c5a692b2d05f68f7924a73a5818ddf3a9678ca8caab3568a78e
Verdict:
Malicious activity
Analysis date:
2025-04-30 06:28:47 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:
99.1%
Tags:
medusalocker ransomware spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
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.phis.spyw.evad.spre
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Overwrites Mozilla Firefox settings
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: 1677810 Sample: ulwmVLSCVV.exe Startdate: 30/04/2025 Architecture: WINDOWS Score: 100 46 pki-goog.l.google.com 2->46 48 c.pki.goog 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Found ransom note / readme 2->54 56 5 other signatures 2->56 8 ulwmVLSCVV.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 9 other malicious files 8->44 dropped 58 Query firmware table information (likely to detect VMs) 8->58 60 Creates files in the recycle bin to hide itself 8->60 62 Contains functionality to encrypt and move a file in one function 8->62 64 6 other signatures 8->64 12 net.exe 8->12         started        14 net.exe 8->14         started        16 net.exe 8->16         started        18 19 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 conhost.exe 18->34         started        36 32 other processes 18->36
Threat name:
Win32.Ransomware.Medusa
Status:
Malicious
First seen:
2024-04-15 20:07:38 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
medusaransomware
Score:
  10/10
Tags:
family:medusaransomware credential_access discovery execution ransomware spyware stealer
Behaviour
Kills process with taskkill
Runs net.exe
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Command and Scripting Interpreter: PowerShell
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)
Network Share Discovery
Credentials from Password Stores: Windows Credential Manager
Reads user/profile data of web browsers
Renames multiple (8954) files with added filename extension
Medusa Ransomware
Medusaransomware family
Verdict:
Malicious
Tags:
Win.Ransomware.Medusa-10025438-0
YARA:
n/a
Unpacked files
SH256 hash:
1bad2b6e8ab16c5a692b2d05f68f7924a73a5818ddf3a9678ca8caab3568a78e
MD5 hash:
bd29231bc4f2c6d2f22fa026e2eaca40
SHA1 hash:
f037584c363d566aa69b7307471012247707bb4c
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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