MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e4c154f0500990e897ca9650eafd3c6255ba4df3b4bc620c6ba27b718278392. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 4e4c154f0500990e897ca9650eafd3c6255ba4df3b4bc620c6ba27b718278392
SHA3-384 hash: 1be2d1658fdf71bdc7ebf4a1494da14b2105c25f858ca093988f445b50504d80570c3330dba0d8245a6f9684dbd621da
SHA1 hash: b003d8ee93a36a453b337d17069ae1f779917800
MD5 hash: 5322dc793dc514fd4a82d96388aaaf02
humanhash: skylark-mississippi-moon-seven
File name:5322dc793dc514fd4a82d96388aaaf02.exe
Download: download sample
Signature Phobos
File size:1'199'104 bytes
First seen:2023-10-23 08:39:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:5HOlaHILUR9X/oGhmE5EApGfZAuBQfm+t:Mywk53mE5EA8fZ52++
Threatray 1'576 similar samples on MalwareBazaar
TLSH T13B456A495F4ADA13CE5442709067C6F72A49DE8F9606E3335BEDBDB3308738856883E9
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe Phobos

Intelligence


File Origin
# of uploads :
1
# of downloads :
359
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5322dc793dc514fd4a82d96388aaaf02.exe
Verdict:
Malicious activity
Analysis date:
2023-10-23 08:43:55 UTC
Tags:
ransomware

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

Behaviour
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a service
Launching cmd.exe command interpreter
Creating a process with a hidden window
Searching for synchronization primitives
Changing a file
Modifying an executable file
Modifies multiple files
Sending a custom TCP request
Replacing executable files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Launching the process to change the firewall settings
Moving a file to the Program Files subdirectory
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Launching a process
Creating a window
Unauthorized injection to a recently created process
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:
lolbin packed replace
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:
Phobos, Voidcrypt
Detection:
malicious
Classification:
rans.phis.troj.adwa.evad.spyw
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
Found ransom note / readme
Injects a PE file into a foreign processes
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
Overwrites Mozilla Firefox settings
Sigma detected: Delete shadow copy via WMIC
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Phobos
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1330420 Sample: ptpmLzKNdA.exe Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 73 Malicious sample detected (through community Yara rule) 2->73 75 Multi AV Scanner detection for dropped file 2->75 77 Multi AV Scanner detection for submitted file 2->77 79 8 other signatures 2->79 8 ptpmLzKNdA.exe 3 2->8         started        11 ptpmLzKNdA.exe 2->11         started        13 ptpmLzKNdA.exe 2->13         started        15 6 other processes 2->15 process3 file4 87 Drops PE files to the startup folder 8->87 89 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->89 91 Writes many files with high entropy 8->91 18 ptpmLzKNdA.exe 4 503 8->18         started        93 Multi AV Scanner detection for dropped file 11->93 95 Found evasive API chain (may stop execution after checking locale) 11->95 97 Injects a PE file into a foreign processes 11->97 22 ptpmLzKNdA.exe 11->22         started        24 ptpmLzKNdA.exe 13->24         started        71 C:\Users\user\AppData\...\thumbcache_32.db, data 15->71 dropped 99 Creates files inside the volume driver (system volume information) 15->99 26 ptpmLzKNdA.exe 15->26         started        28 ptpmLzKNdA.exe 15->28         started        signatures5 process6 file7 59 excel.exe.db.id[B0...rexsdata.pro].8base, DOS 18->59 dropped 61 C:\ProgramData\Microsoft\...\ptpmLzKNdA.exe, PE32 18->61 dropped 63 webappsstore.sqlit...rexsdata.pro].8base, data 18->63 dropped 65 82 other files (80 malicious) 18->65 dropped 81 Creates files in the recycle bin to hide itself 18->81 83 Overwrites Mozilla Firefox settings 18->83 30 cmd.exe 1 18->30         started        33 cmd.exe 18->33         started        35 ptpmLzKNdA.exe 2 18->35         started        37 4 other processes 18->37 signatures8 process9 signatures10 101 May disable shadow drive data (uses vssadmin) 30->101 103 Deletes shadow drive data (may be related to ransomware) 30->103 105 Uses netsh to modify the Windows network and firewall settings 30->105 107 Modifies the windows firewall 30->107 39 vssadmin.exe 1 30->39         started        42 conhost.exe 30->42         started        51 4 other processes 30->51 109 Uses bcdedit to modify the Windows boot settings 33->109 111 Deletes the backup plan of Windows 33->111 44 vssadmin.exe 33->44         started        53 5 other processes 33->53 113 Injects a PE file into a foreign processes 35->113 46 ptpmLzKNdA.exe 1 6 35->46         started        55 2 other processes 35->55 49 netsh.exe 2 37->49         started        57 2 other processes 37->57 process11 file12 85 Deletes shadow drive data (may be related to ransomware) 39->85 67 C:\Users\user\AppData\...\ptpmLzKNdA.exe, PE32 46->67 dropped 69 C:\Users\user\AppData\Local\ptpmLzKNdA.exe, PE32 46->69 dropped signatures13
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-10-23 08:36:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
12 of 23 (52.17%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:phobos evasion persistence ransomware spyware stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Checks SCSI registry key(s)
Interacts with shadow copies
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
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
Renames multiple (314) files with added filename extension
Renames multiple (461) files with added filename extension
Phobos
Unpacked files
SH256 hash:
4e4c154f0500990e897ca9650eafd3c6255ba4df3b4bc620c6ba27b718278392
MD5 hash:
5322dc793dc514fd4a82d96388aaaf02
SHA1 hash:
b003d8ee93a36a453b337d17069ae1f779917800
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Phobos

Executable exe 4e4c154f0500990e897ca9650eafd3c6255ba4df3b4bc620c6ba27b718278392

(this sample)

  
Delivery method
Distributed via web download

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