MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b807f9f7c8f24f436b0bab25cb38583bf4c051ea779fcdbb215af8a9a7f64de. 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: 17


Intelligence 17 IOCs YARA 15 File information Comments
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SHA256 hash: 6b807f9f7c8f24f436b0bab25cb38583bf4c051ea779fcdbb215af8a9a7f64de
SHA3-384 hash: 3309c0274c98b9efa83b48fa1803c86c17405fb31e497b6de9ee22f223381613662cc7eaa1ec5908d47aa3be729d8bc4
SHA1 hash: c5f349be3ed0591acbe52160cb6bf5acbfbfb91f
MD5 hash: 602d720f1184d2ad739568cbf6403331
humanhash: cola-island-bakerloo-texas
File name:6b807f9f7c8f24f436b0bab25cb38583bf4c051ea779fcdbb215af8a9a7f64de
Download: download sample
Signature Medusa
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File size:638'976 bytes
First seen:2024-12-12 18:24:47 UTC
Last seen:2025-04-29 15:44:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 82a8292007e682f1a127ba8dcebfae96 (23 x Medusa)
ssdeep 12288:GhdW6SX6bEpZqRMsHcrnjjZV9StQ5Hs5yFAgks8B4lDBJsH3Jt5+REn8Ic04qKYb:kB36aAJmVSvGWEcXvvKw4IRRs3WPOFTJ
TLSH T120D49E257483C136E57201314E5CABB661BFFC310B734DEBA7905A5A5A382E06F3297B
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 0x0d4y
Tags:exe Medusa MedusaLocker

Intelligence

File Origin
# of uploads :
2
# of downloads :
510
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20241001602d720f1184d2ad739568cbf6403331avoslockercobaltstrike
Verdict:
Malicious activity
Analysis date:
2024-10-01 14:42:18 UTC
Tags:
xor-url generic
Link:
https://app.any.run/tasks/4b112393-d341-4713-8c63-42df53bdaa9c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Ransomware.Medusa-10025438-0
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675b2ce64bc1eb3cc1efba5f
Tags:
medusalocker ransomware virus sage
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Launching a process
Launching the process to interact with network services
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto fingerprint hacktool medusa medusalocker microsoft_visual_cc obfuscated ransomware
Link:
https://www.filescan.io/uploads/675b2a81624704669226f28a/reports/4e62d697-4c23-4981-8da5-843b00113d80/overview
Verdict:
Malicious
Labled as:
Ransom.Imps.Generic
Link:
https://www.hybrid-analysis.com/sample/6b807f9f7c8f24f436b0bab25cb38583bf4c051ea779fcdbb215af8a9a7f64de
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:
Medusa
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e7ed5a2-275a-43c7-a6ec-fbc69e57ba07
Result
Threat name:
MedusaLocker
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Detection:
malicious
Classification:
rans.spre.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1573982
Signature
AI detected suspicious sample
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
Infects executable files (exe, dll, sys, html)
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sigma detected: Suspicious Windows Service Tampering
Writes a notice file (html or txt) to demand a ransom
Yara detected MedusaLocker Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1573982 Sample: QyzM5yhuwd.exe Startdate: 12/12/2024 Architecture: WINDOWS Score: 100 46 tse1.mm.bing.net 2->46 48 sni1gl.wpc.sigmacdn.net 2->48 50 4 other IPs or domains 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Found ransom note / readme 2->56 58 4 other signatures 2->58 8 QyzM5yhuwd.exe 1002 2->8         started        signatures3 process4 file5 38 C:\ProgramData\...\!!!READ_ME_MEDUSA!!!.txt, ASCII 8->38 dropped 40 C:\ProgramData\...\!!!READ_ME_MEDUSA!!!.txt, ASCII 8->40 dropped 42 C:\ProgramData\...\!!!READ_ME_MEDUSA!!!.txt, ASCII 8->42 dropped 44 12 other files (8 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 17 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 30 other processes 18->36
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6b807f9f7c8f24f436b0bab25cb38583bf4c051ea779fcdbb215af8a9a7f64de
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b807f9f7c8f24f436b0bab25cb38583bf4c051ea779fcdbb215af8a9a7f64de/
Threat name:
Win32.Ransomware.Medusa
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Status:
Malicious
First seen:
2024-10-01 12:27:29 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=noah7h34r4spinvqxkzfzm4fqo7uybi6u547zw5scwxyvgt7mtpa._file
Verdict:
malicious
Label(s):
genericransomware
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medusaransomware
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Similar samples:
error
Medusa
Result
Malware family:
medusaransomware
Create hunting rule
Score:
  10/10
Tags:
family:medusaransomware credential_access defense_evasion discovery execution impact persistence ransomware spyware stealer
Link:
https://tria.ge/reports/241212-w2ly2svlaq/
Behaviour
Interacts with shadow copies
Kills process with taskkill
Modifies registry class
Runs net.exe
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service 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
Deletes shadow copies
Renames multiple (8829) files with added filename extension
Medusa Ransomware
Medusaransomware family
Verdict:
Malicious
Tags:
Win.Ransomware.Medusa-10025438-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d93c810d-7b28-49a1-8aea-01fbc27e5034
Unpacked files
SH256 hash:
6b807f9f7c8f24f436b0bab25cb38583bf4c051ea779fcdbb215af8a9a7f64de
MD5 hash:
602d720f1184d2ad739568cbf6403331
SHA1 hash:
c5f349be3ed0591acbe52160cb6bf5acbfbfb91f
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
Link:
https://www.unpac.me/results/5cc51c84-9872-406d-8743-98bae9ec9927/
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/6b807f9f7c8f24f436b0bab25cb38583bf4c051ea779fcdbb215af8a9a7f64de

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
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Rule name:cobalt_strike_tmp01925d3f
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Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:medusa_ransomware
Create hunting rule
Rule name:Nymaim
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Author:Chaitanya
Description:Nymaim Loader
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RansomPyShield_Antiransomware
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Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
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
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Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information

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

Malpedia
Malpedia
https://malpedia.caad.fkie.fraunhofer.de/details/win.medusalocker

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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