MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 265d1ae339e9397976d9328b2c84aca61a7cb6c0bca9f2f8dc213678e2b2ad86. 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



Phobos


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 265d1ae339e9397976d9328b2c84aca61a7cb6c0bca9f2f8dc213678e2b2ad86
SHA3-384 hash: 2d1c87eee0875948c75d3c1548695aada36a0f132e3d2cee343597a16baec2e35cf5be2f07636693fb548e90c752018d
SHA1 hash: 4c0e6325e52be4b0b0da48b6559d155050221868
MD5 hash: 2d49e774bcace56a1a9717b745d3bce6
humanhash: batman-purple-avocado-six
File name:AntiRecuvaAndDB
Download: download sample
Signature Phobos
File size:52'736 bytes
First seen:2021-10-06 10:28:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 851a0ba8fbb71710075bdfe6dcef92eb (67 x Phobos, 2 x Worm.Ramnit)
ssdeep 768:SvrNNeRBl5JFTXqwXrkgrn/9/HiDKGwRj4RcTdyH4pYT3nPKVU1EQgFoadaCe:sNeRBl5PT/rx1mzwRMSTdLpJQ+dd
Threatray 13 similar samples on MalwareBazaar
TLSH T1CC33AE0A746A54B2CD7286B0293A7F5F4FBA610540B488474F3D4E8B3FD5076E72A379
Reporter NucleonSec
Tags:exe Phobos Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'190
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching cmd.exe command interpreter
Creating a process with a hidden window
Creating a file
Changing a file
Launching the process to change network settings
Creating a file in the %AppData% subdirectories
Modifying an executable file
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for recently created files
Launching the process to change the firewall settings
Launching a service
Creating a file in the Program Files subdirectories
Creating a file in the %AppData% directory
Moving a file to the %AppData% subdirectory
Replacing executable files
Reading critical registry keys
Deleting a recently created file
Creating a file in the %temp% subdirectories
Moving a file to the %temp% subdirectory
Network activity
Moving a file to the Program Files subdirectory
Creating a file in the mass storage device
Deleting volume shadow copies
Firewall traversal
Stealing user critical data
Enabling autorun by creating a file
Encrypting user's files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crysis filecoder greyware packed phobos ransomware
Malware family:
Phobos Ransomware
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.spre.adwa.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Creates files in the recycle bin to hide itself
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Deletes the backup plan of Windows
Drops PE files to the startup folder
Infects executable files (exe, dll, sys, html)
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Modification of Boot Configuration
Sigma detected: Shadow Copies Deletion Using Operating Systems Utilities
Sigma detected: WannaCry Ransomware
Submitted sample is a known malware sample
Uses bcdedit to modify the Windows boot settings
Uses netsh to modify the Windows network and firewall settings
Writes many files with high entropy
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 497875 Sample: AntiRecuvaAndDB Startdate: 06/10/2021 Architecture: WINDOWS Score: 100 63 Sigma detected: WannaCry Ransomware 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 5 other signatures 2->69 7 AntiRecuvaAndDB.exe 1 501 2->7         started        11 wbengine.exe 3 2->11         started        13 AntiRecuvaAndDB.exe 2->13         started        15 5 other processes 2->15 process3 file4 47 C:\ProgramData\...\AntiRecuvaAndDB.exe, PE32 7->47 dropped 49 UcAddinRes.dll.id[...mydata@bk.ru].eking, DOS 7->49 dropped 51 hu.pak.id[A8CDA66F...mydata@bk.ru].eking, DOS 7->51 dropped 53 482 other files (478 malicious) 7->53 dropped 71 Submitted sample is a known malware sample 7->71 73 Creates files in the recycle bin to hide itself 7->73 75 Drops PE files to the startup folder 7->75 79 2 other signatures 7->79 17 cmd.exe 1 7->17         started        20 AntiRecuvaAndDB.exe 2 6 7->20         started        23 cmd.exe 1 7->23         started        77 Creates files inside the volume driver (system volume information) 11->77 signatures5 process6 file7 55 May disable shadow drive data (uses vssadmin) 17->55 57 Deletes shadow drive data (may be related to ransomware) 17->57 59 Uses netsh to modify the Windows network and firewall settings 17->59 61 3 other signatures 17->61 25 bcdedit.exe 1 17->25         started        27 bcdedit.exe 1 17->27         started        29 conhost.exe 17->29         started        37 3 other processes 17->37 39 C:\Users\user\AppData\...\AntiRecuvaAndDB.exe, PE32 20->39 dropped 41 C:\Users\user\AppData\...\AntiRecuvaAndDB.exe, PE32 20->41 dropped 43 C:\...\AntiRecuvaAndDB.exe:Zone.Identifier, ASCII 20->43 dropped 45 C:\...\AntiRecuvaAndDB.exe:Zone.Identifier, ASCII 20->45 dropped 31 netsh.exe 3 23->31         started        33 netsh.exe 3 23->33         started        35 conhost.exe 23->35         started        signatures8 process9
Threat name:
Win32.Ransomware.Phobos
Status:
Malicious
First seen:
2021-01-27 14:22:02 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:phobos evasion persistence ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Adds Run key to start application
Drops desktop.ini file(s)
Drops startup file
Reads user/profile data of web browsers
Deletes backup catalog
Modifies Windows Firewall
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Phobos
Unpacked files
SH256 hash:
265d1ae339e9397976d9328b2c84aca61a7cb6c0bca9f2f8dc213678e2b2ad86
MD5 hash:
2d49e774bcace56a1a9717b745d3bce6
SHA1 hash:
4c0e6325e52be4b0b0da48b6559d155050221868
Malware family:
Verdict:
Malicious
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:MALWARE_Win_Phobos
Author:ditekshen
Description:Detects Phobos ransomware

File information


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

  
Delivery method
Other

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