MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e51abdb2023b560244802f7d9687944dc0dff3042c28d7bc7a2b517df6e24942. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash: e51abdb2023b560244802f7d9687944dc0dff3042c28d7bc7a2b517df6e24942
SHA3-384 hash: e4f940e62a586f223d88db2e231676f9688fdb21e3a13200464ad4bde63d242f7ec991585be93f910261dcda30eca7a5
SHA1 hash: e249c4f1d0910cb4660a3d41593692a02796472f
MD5 hash: 2055bbde7b5a1afd6ea79974d1435a98
humanhash: nitrogen-hot-may-illinois
File name:mkp.exe
Download: download sample
Signature Makop
File size:1'217'024 bytes
First seen:2020-07-30 12:01:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5e5ac8ab7be27ac2d1c548e5589378b6 (11 x GuLoader, 6 x Stealc, 5 x RedLineStealer)
ssdeep 24576:AQkBF2DuFBsfrCbHdtvIwTGp+olFTPPxQoZeKVbygpgPh3aFMI9R2uacQs:AQIBsfrCHdtvdTCTO2pdygpiAJads
TLSH 0745336BA7144ED0E035223C14BD5F61FB52FE3E4282E99B4A8DD66B0C4B6A5433426F
Reporter vm001cn
Tags:makop Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
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
Modifying an executable file
Moving a file to the Program Files subdirectory
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Deleting volume shadow copies
Creating a file in the mass storage device
Encrypting user's files
Result
Threat name:
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Signature
Creates autostart registry keys with suspicious names
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
Modifies existing user documents (likely ransomware behavior)
Opens the same file many times (likely Sandbox evasion)
PE file contains section with special chars
PE file has nameless sections
Sigma detected: Delete shadow copy via WMIC
Sigma detected: WannaCry Ransomware
Tries to detect sandboxes and other dynamic analysis tools (window names)
Writes many files with high entropy
Yara detected Makop ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 254290 Sample: mkp.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 44 g.msn.com 2->44 46 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->46 50 Sigma detected: WannaCry Ransomware 2->50 52 Yara detected Makop ransomware 2->52 54 Sigma detected: Delete shadow copy via WMIC 2->54 56 6 other signatures 2->56 8 mkp.exe 1 7 2->8         started        13 wbengine.exe 3 2->13         started        15 mkp.exe 2->15         started        17 5 other processes 2->17 signatures3 process4 dnsIp5 48 192.168.2.1 unknown unknown 8->48 36 C:\Users\user\Desktop\ZBEDCJPBEY.xlsx, data 8->36 dropped 38 C:\Users\user\Desktop\...\BPMLNOBVSB.xlsx, data 8->38 dropped 40 C:\Users\user\Desktop\BPMLNOBVSB.xlsx, data 8->40 dropped 42 44 other files (42 malicious) 8->42 dropped 66 Detected unpacking (changes PE section rights) 8->66 68 Detected unpacking (overwrites its own PE header) 8->68 70 Tries to detect sandboxes and other dynamic analysis tools (window names) 8->70 76 4 other signatures 8->76 19 cmd.exe 1 8->19         started        22 mkp.exe 8->22         started        72 Creates files inside the volume driver (system volume information) 13->72 74 Hides threads from debuggers 15->74 24 explorer.exe 17->24 injected file6 signatures7 process8 signatures9 58 May disable shadow drive data (uses vssadmin) 19->58 60 Deletes shadow drive data (may be related to ransomware) 19->60 62 Deletes the backup plan of Windows 19->62 26 WMIC.exe 1 19->26         started        28 conhost.exe 19->28         started        30 wbadmin.exe 3 19->30         started        32 vssadmin.exe 1 19->32         started        64 Hides threads from debuggers 22->64 34 WerFault.exe 24->34         started        process10
Threat name:
Win32.Packed.EnigmaProtector
Status:
Malicious
First seen:
2020-07-29 19:59:09 UTC
AV detection:
32 of 48 (66.67%)
Threat level:
  1/5
Verdict:
unknown
Result
Malware family:
Score:
  10/10
Tags:
ransomware persistence family:makop spyware
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Modifies system certificate store
Suspicious use of SetWindowsHookEx
Drops file in Program Files directory
Modifies service
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Reads user/profile data of web browsers
Deletes backup catalog
Modifies extensions of user files
Deletes system backup catalog
Deletes shadow copies
Makop
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:RANSOM_makop
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect the unpacked Makop ransomware samples

File information


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

Comments