MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825
SHA3-384 hash: 3d08d4cd040437fa8bd7ad9ca1fc3a83b478ba89450f05af94014c271f20bfef08788f5addace60439f55e89b0634932
SHA1 hash: 78985aaa16a33b2883dddda20d3465e82ed68536
MD5 hash: d9736333f5abddf50bc889402e788f82
humanhash: lake-crazy-skylark-rugby
File name:3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825
Download: download sample
Signature Phobos
File size:57'344 bytes
First seen:2022-12-18 18:52:36 UTC
Last seen:2022-12-22 09:31:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 851a0ba8fbb71710075bdfe6dcef92eb (67 x Phobos, 2 x Worm.Ramnit)
ssdeep 1536:kNeRBl5PT/rx1mzwRMSTdLpJo0fGTP/FDYT:kQRrmzwR5JbfGTP/FG
Threatray 3'617 similar samples on MalwareBazaar
TLSH T11443AE46706984B2CDB246B01A3E3F5B4FBE650540B498974F384E863E95437E73E3BA
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:exe Phobos

Intelligence


File Origin
# of uploads :
2
# of downloads :
235
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825
Verdict:
Malicious activity
Analysis date:
2022-12-18 18:53:10 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
Launching the process to change network settings
Replacing executable files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching the process to change the firewall settings
Launching a process
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Network activity
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crysis filecoder greyware packed phobos ransomware shell32.dll windows
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:
Unknown
Detection:
malicious
Classification:
rans.spre.adwa.evad.phis.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
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: Delete shadow copy via WMIC
Uses bcdedit to modify the Windows boot settings
Uses netsh to modify the Windows network and firewall settings
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 769449 Sample: Cqda4W1y0I.exe Startdate: 18/12/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for dropped file 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 7 other signatures 2->62 7 Cqda4W1y0I.exe 1 501 2->7         started        11 Cqda4W1y0I.exe 2->11         started        13 wbengine.exe 3 2->13         started        16 5 other processes 2->16 process3 dnsIp4 48 C:\ProgramData\Microsoft\...\Cqda4W1y0I.exe, PE32 7->48 dropped 50 C:\...\Cqda4W1y0I.exe:Zone.Identifier, ASCII 7->50 dropped 52 desktop.ini.id[BB9...@tutanota.de].faust, data 7->52 dropped 72 Creates files in the recycle bin to hide itself 7->72 74 Drops PE files to the startup folder 7->74 76 Infects executable files (exe, dll, sys, html) 7->76 18 cmd.exe 1 7->18         started        21 Cqda4W1y0I.exe 2 6 7->21         started        24 cmd.exe 7->24         started        78 Antivirus detection for dropped file 11->78 80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 84 Found evasive API chain (may stop execution after checking locale) 11->84 54 192.168.2.1 unknown unknown 13->54 86 Creates files inside the volume driver (system volume information) 13->86 file5 signatures6 process7 file8 64 May disable shadow drive data (uses vssadmin) 18->64 66 Deletes shadow drive data (may be related to ransomware) 18->66 68 Uses netsh to modify the Windows network and firewall settings 18->68 70 3 other signatures 18->70 26 bcdedit.exe 8 1 18->26         started        28 bcdedit.exe 7 1 18->28         started        30 conhost.exe 18->30         started        38 3 other processes 18->38 40 C:\Users\user\AppData\...\Cqda4W1y0I.exe, PE32 21->40 dropped 42 C:\Users\user\AppData\Local\Cqda4W1y0I.exe, PE32 21->42 dropped 44 C:\Users\...\Cqda4W1y0I.exe:Zone.Identifier, ASCII 21->44 dropped 46 C:\Users\...\Cqda4W1y0I.exe:Zone.Identifier, ASCII 21->46 dropped 32 netsh.exe 3 24->32         started        34 netsh.exe 3 24->34         started        36 conhost.exe 24->36         started        signatures9 process10
Threat name:
Win32.Ransomware.Phobos
Status:
Malicious
First seen:
2022-12-15 15:36:13 UTC
File Type:
PE (Exe)
AV detection:
24 of 26 (92.31%)
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
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Drops startup file
Reads user/profile data of web browsers
Deletes backup catalog
Modifies Windows Firewall
Deletes shadow copies
Modifies boot configuration data using bcdedit
Phobos
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
3f88affd9a69bad96f8152c87654aed50cc7a49247f154d503cacbdcd53ba825
MD5 hash:
d9736333f5abddf50bc889402e788f82
SHA1 hash:
78985aaa16a33b2883dddda20d3465e82ed68536
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
Rule name:Windows_Ransomware_Phobos_11ea7be5
Author:Elastic Security
Description:Identifies Phobos ransomware
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.phobos

File information


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

Comments