MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc0ed3e73b8d1fdc839f2e8ed3578ca3221dba4eb984e581cb00dfb4cdfb7d49. 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



Makop


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: bc0ed3e73b8d1fdc839f2e8ed3578ca3221dba4eb984e581cb00dfb4cdfb7d49
SHA3-384 hash: 4bbb4963ed255265077d0e2d3f0cdc424f67a8b46718fde3e96f98d7dbc5527600a87f4a95d8131cf031421fc05d7528
SHA1 hash: 15c705cc01650bbf0db7bd0229edadb5f4ee9cf7
MD5 hash: 67d32736c5e1300c21329f956da836ab
humanhash: whiskey-blossom-montana-ohio
File name:bc0ed3e73b8d1fdc839f2e8ed3578ca3221dba4eb984e581cb00dfb4cdfb7d49.bin
Download: download sample
Signature Makop
File size:35'328 bytes
First seen:2021-04-02 19:50:53 UTC
Last seen:2021-04-02 20:48:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b2a2e59916055b004c7a8f339a45d95f (3 x Makop)
ssdeep 768:e4HLd8Vdh9qV1Esg8kdJCzSIZHkKRV6kNDGA6slD9tc:eQ8VIV1U8ZGURVFGhsN9e
Threatray 17 similar samples on MalwareBazaar
TLSH 61F28F46E281C6F3EC8405B976DFA71AFDEEA40913B552D3CF14EC6138126D278BE482
Reporter Arkbird_SOLG
Tags:makop Ransomware

Intelligence


File Origin
# of uploads :
2
# of downloads :
477
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bc0ed3e73b8d1fdc839f2e8ed3578ca3221dba4eb984e581cb00dfb4cdfb7d49.bin
Verdict:
Malicious activity
Analysis date:
2021-04-02 19:54:15 UTC
Tags:
ransomware makop oled

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Launching cmd.exe command interpreter
Creating a process with a hidden window
Launching a process
Creating a file in the Windows subdirectories
Creating a window
Changing a file
Behavior that indicates a threat
Creating a file
Using the Windows Management Instrumentation requests
Modifying an executable file
Moving a file to the Program Files subdirectory
Creating a file in the Program Files subdirectories
Sending a UDP request
Deleting volume shadow copies
Creating a file in the mass storage device
Encrypting user's files
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:
Makop ransomware
Verdict:
Malicious
Result
Threat name:
Makop Oled
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Found ransom note / readme
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Multi AV Scanner detection for submitted file
Opens the same file many times (likely Sandbox evasion)
Sigma detected: Delete shadow copy via WMIC
Sigma detected: WannaCry Ransomware
Writes many files with high entropy
Yara detected Makop ransomware
Yara detected Oled Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 380955 Sample: y3Yai3Rkzw.bin Startdate: 03/04/2021 Architecture: WINDOWS Score: 100 45 Sigma detected: WannaCry Ransomware 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 7 other signatures 2->51 7 y3Yai3Rkzw.exe 9 2->7         started        12 wbengine.exe 3 2->12         started        14 WerFault.exe 2->14         started        16 4 other processes 2->16 process3 dnsIp4 43 192.168.2.1 unknown unknown 7->43 35 C:\ProgramData\Microsoft\...\edbres00001.jrs, COM 7->35 dropped 37 C:\Users\user\Desktop\...\readme-warning.txt, Non-ISO 7->37 dropped 39 {DDF571F2-BE98-426...0000000000000001.db, data 7->39 dropped 41 46 other files (43 malicious) 7->41 dropped 59 Writes many files with high entropy 7->59 61 Opens the same file many times (likely Sandbox evasion) 7->61 18 cmd.exe 1 7->18         started        21 y3Yai3Rkzw.exe 7->21         started        63 Creates files inside the volume driver (system volume information) 12->63 23 explorer.exe 14->23 injected file5 signatures6 process7 signatures8 53 May disable shadow drive data (uses vssadmin) 18->53 55 Deletes shadow drive data (may be related to ransomware) 18->55 57 Deletes the backup plan of Windows 18->57 25 WMIC.exe 1 18->25         started        27 conhost.exe 18->27         started        29 wbadmin.exe 3 18->29         started        31 vssadmin.exe 1 18->31         started        33 WerFault.exe 17 9 23->33         started        process9
Threat name:
Win32.Ransomware.Phobos
Status:
Malicious
First seen:
2021-03-31 14:42:28 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:makop persistence ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Interacts with shadow copies
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Reads user/profile data of web browsers
Deletes backup catalog
Modifies Installed Components in the registry
Modifies extensions of user files
Deletes shadow copies
Makop
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
bc0ed3e73b8d1fdc839f2e8ed3578ca3221dba4eb984e581cb00dfb4cdfb7d49
MD5 hash:
67d32736c5e1300c21329f956da836ab
SHA1 hash:
15c705cc01650bbf0db7bd0229edadb5f4ee9cf7
Detections:
win_makop_ransomware_w0
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:crime_win32_ransom_makop_1_vk
Author:@VK_Intel
Description:Detects MAKOP ransomware payload
Reference:https://twitter.com/VK_Intel/status/1242177227682390017
Rule name:RANSOM_makop
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect the unpacked Makop ransomware samples
Rule name:win_makop_ransomware_w0
Author:@VK_Intel
Description:Detects MAKOP ransomware payload
Reference:https://twitter.com/VK_Intel/status/1242177227682390017

File information


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

Comments