MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b4c743246478a6a8c9fa3ff8e04f297507c2f0ea5d61a1284fe65387d172f81. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: 0b4c743246478a6a8c9fa3ff8e04f297507c2f0ea5d61a1284fe65387d172f81
SHA3-384 hash: 7fe1673a21c7160b06ca22febd6879d0763b536137236a49b14377028016f9b230c87a29845926f9e172b09ed4228eb4
SHA1 hash: 5dfdc93dc396313e7db12c32ead63a442b2becd6
MD5 hash: 2c73b0bf6f09566d5edfd98a8863fe08
humanhash: timing-nuts-lamp-twenty
File name:Trojan-Ransom.Win32.Agent.sb-0b4c743246478a6a8c9fa3ff8e04f297507c2f0ea5d61a1284fe65387d172f81
Download: download sample
Signature Phobos
File size:56'832 bytes
First seen:2022-02-18 18:43:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 851a0ba8fbb71710075bdfe6dcef92eb (67 x Phobos, 2 x Worm.Ramnit)
ssdeep 768:MvrNNeRBl5JFTXqwXrkgrn/9/HiDKGwRj4RcTdyH4pYT3nPKVU1EFOslOyP3UBQD:mNeRBl5PT/rx1mzwRMSTdLpJFXkCPr
Threatray 1'229 similar samples on MalwareBazaar
TLSH T10A43CF1674A980B3CE6246B0253A6F1F4FFE950540B488478F394D863ED5476DB3E37A
Reporter petikvx
Tags:exe Phobos

Intelligence


File Origin
# of uploads :
1
# of downloads :
830
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Fast.exe
Verdict:
Malicious activity
Analysis date:
2022-02-18 17:06:24 UTC
Tags:
ransomware phobos

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

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a service
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Creating a process with a hidden window
Changing a file
Modifying an executable file
Replacing executable files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Launching the process to change network settings
Moving a file to the Program Files subdirectory
Launching the process to change the firewall settings
Creating a file in the %AppData% subdirectories
Launching a process
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Deleting volume shadow copies
Enabling autorun for a service
Preventing system recovery
Enabling autorun by creating a file
Infecting executable files
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
CallSleep
SystemUptime
CheckMutex
EvasionGetTickCount
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware packed shell32.dll
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:
Phobos Ransomware
Verdict:
Malicious
Result
Threat name:
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
Found evasive API chain (may stop execution after checking locale)
Infects executable files (exe, dll, sys, html)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May disable shadow drive data (uses vssadmin)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
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
Uses bcdedit to modify the Windows boot settings
Uses netsh to modify the Windows network and firewall settings
Writes many files with high entropy
Yara detected Phobos
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 572950 Sample: Fast.exe Startdate: 16/02/2022 Architecture: WINDOWS Score: 100 67 Sigma detected: WannaCry Ransomware 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 73 9 other signatures 2->73 7 Fast.exe 1 76 2->7         started        11 Fast.exe 2->11         started        13 wbengine.exe 3 2->13         started        15 3 other processes 2->15 process3 file4 47 C:\ProgramData\Microsoft\Windows\...\Fast.exe, PE32 7->47 dropped 49 C:\ProgramData\...\Fast.exe:Zone.Identifier, ASCII 7->49 dropped 51 qmgr.db.id[52B2ACF...nyan@aol.com].eight, data 7->51 dropped 53 27 other files (25 malicious) 7->53 dropped 75 Creates files in the recycle bin to hide itself 7->75 77 Drops PE files to the startup folder 7->77 79 Writes many files with high entropy 7->79 81 Infects executable files (exe, dll, sys, html) 7->81 17 cmd.exe 1 7->17         started        20 cmd.exe 7->20         started        22 Fast.exe 2 6 7->22         started        83 Multi AV Scanner detection for dropped file 11->83 85 Found evasive API chain (may stop execution after checking locale) 11->85 87 Creates files inside the volume driver (system volume information) 13->87 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 Modifies the windows firewall 17->61 25 netsh.exe 3 17->25         started        27 netsh.exe 3 17->27         started        29 conhost.exe 17->29         started        63 Uses bcdedit to modify the Windows boot settings 20->63 65 Deletes the backup plan of Windows 20->65 31 bcdedit.exe 1 20->31         started        33 bcdedit.exe 1 20->33         started        35 conhost.exe 20->35         started        37 3 other processes 20->37 39 C:\Users\user\AppData\Roaming\...\Fast.exe, PE32 22->39 dropped 41 C:\Users\user\AppData\Local\Fast.exe, PE32 22->41 dropped 43 C:\Users\user\...\Fast.exe:Zone.Identifier, ASCII 22->43 dropped 45 C:\Users\user\...\Fast.exe:Zone.Identifier, ASCII 22->45 dropped signatures8 process9
Threat name:
Win32.Ransomware.Phobos
Status:
Malicious
First seen:
2020-12-30 22:03:00 UTC
File Type:
PE (Exe)
AV detection:
39 of 43 (90.70%)
Threat level:
  5/5
Unpacked files
SH256 hash:
0b4c743246478a6a8c9fa3ff8e04f297507c2f0ea5d61a1284fe65387d172f81
MD5 hash:
2c73b0bf6f09566d5edfd98a8863fe08
SHA1 hash:
5dfdc93dc396313e7db12c32ead63a442b2becd6
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.

Comments