MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 681f180735ec833997bea4eb26c58f9c2e39980cd0a351e0b5cd99c502b33ae8. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 681f180735ec833997bea4eb26c58f9c2e39980cd0a351e0b5cd99c502b33ae8
SHA3-384 hash: ddb5b4611ac3e67d65f76900b32ea62339c7fa9afeb33f8b96eb5c3e0fdcfa62d58f1ce810f8e64f40b8813249545031
SHA1 hash: 73674302ab4d7ddf203eaa6edc56e8538377fbcb
MD5 hash: d922c94b64e04ea8b2be3ca4ed31e65e
humanhash: asparagus-music-failed-five
File name:d922c94b64e04ea8b2be3ca4ed31e65e.exe
Download: download sample
Signature Phobos
Create hunting rule
File size:268'288 bytes
First seen:2023-09-19 06:27:26 UTC
Last seen:2023-09-19 07:35:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:t7Wq2H9tbX4BiMAFlmkUlPhIi3Jk6gd1yiKXTd:t7WJD4IMqlmLPhlJkxyXT
Threatray 3'146 similar samples on MalwareBazaar
TLSH T11A442301C3E4C6A3F6B905FD86127E5A60D0E4F2C9E647FD9D04859F1DDABCE012A927
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 :
2
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Phobos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/449565/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.28600.26696.20138.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Moving a file to the Program Files subdirectory
Launching the process to change the firewall settings
Moving a file to the %AppData% subdirectory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a service
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Deleting volume shadow copies
Preventing system recovery
Enabling autorun by creating a file
Infecting executable files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65093f7332ffdb7a7a0b37f6/reports/2c4264e3-a70d-42f4-bda5-8681932f59da/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/681f180735ec833997bea4eb26c58f9c2e39980cd0a351e0b5cd99c502b33ae8
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2d21c20-7dc4-418a-91ba-f036ce2faa4b
Result
Threat name:
Phobos, Voidcrypt
Create hunting rule
Detection:
malicious
Classification:
rans.spre.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1310559
Signature
.NET source code contains potential unpacker
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)
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
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 Phobos
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1310559 Sample: pz4Z0RPy5S.exe Startdate: 19/09/2023 Architecture: WINDOWS Score: 100 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for dropped file 2->77 79 Antivirus / Scanner detection for submitted sample 2->79 81 8 other signatures 2->81 8 pz4Z0RPy5S.exe 3 2->8         started        11 pz4Z0RPy5S.exe 2->11         started        13 pz4Z0RPy5S.exe 2->13         started        15 5 other processes 2->15 process3 signatures4 89 Drops PE files to the startup folder 8->89 91 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->91 93 Writes many files with high entropy 8->93 17 pz4Z0RPy5S.exe 503 8->17         started        95 Antivirus detection for dropped file 11->95 97 Multi AV Scanner detection for dropped file 11->97 99 Machine Learning detection for dropped file 11->99 101 Found evasive API chain (may stop execution after checking locale) 11->101 21 pz4Z0RPy5S.exe 11->21         started        103 Injects a PE file into a foreign processes 13->103 23 pz4Z0RPy5S.exe 13->23         started        25 pz4Z0RPy5S.exe 13->25         started        105 Creates files inside the volume driver (system volume information) 15->105 27 pz4Z0RPy5S.exe 15->27         started        29 pz4Z0RPy5S.exe 15->29         started        process5 file6 61 C:\ProgramData\Microsoft\...\pz4Z0RPy5S.exe, PE32 17->61 dropped 63 {AFBF9F1A-8EE8-4C7...rexsdata.pro].8base, data 17->63 dropped 65 {AFBF9F1A-8EE8-4C7...rexsdata.pro].8base, data 17->65 dropped 67 19 other malicious files 17->67 dropped 83 Creates files in the recycle bin to hide itself 17->83 85 Tries to harvest and steal browser information (history, passwords, etc) 17->85 87 Infects executable files (exe, dll, sys, html) 17->87 31 cmd.exe 1 17->31         started        34 cmd.exe 17->34         started        36 pz4Z0RPy5S.exe 2 17->36         started        38 4 other processes 17->38 signatures7 process8 dnsIp9 109 May disable shadow drive data (uses vssadmin) 31->109 111 Deletes shadow drive data (may be related to ransomware) 31->111 113 Uses netsh to modify the Windows network and firewall settings 31->113 115 Modifies the windows firewall 31->115 41 vssadmin.exe 1 31->41         started        44 bcdedit.exe 8 1 31->44         started        46 bcdedit.exe 7 1 31->46         started        55 3 other processes 31->55 117 Uses bcdedit to modify the Windows boot settings 34->117 119 Deletes the backup plan of Windows 34->119 48 vssadmin.exe 34->48         started        57 5 other processes 34->57 121 Injects a PE file into a foreign processes 36->121 50 pz4Z0RPy5S.exe 1 6 36->50         started        73 192.168.2.1 unknown unknown 38->73 53 netsh.exe 3 38->53         started        59 2 other processes 38->59 signatures10 process11 file12 107 Deletes shadow drive data (may be related to ransomware) 41->107 69 C:\Users\user\AppData\...\pz4Z0RPy5S.exe, PE32 50->69 dropped 71 C:\Users\user\AppData\Local\pz4Z0RPy5S.exe, PE32 50->71 dropped signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/681f180735ec833997bea4eb26c58f9c2e39980cd0a351e0b5cd99c502b33ae8/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeyLogger
Create hunting rule
Status:
Malicious
First seen:
2023-09-18 16:57:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=naprqbzv5sbttf56utvsnrmptqxdtgam2crvdyfvzwm4kavthlua._file
Verdict:
malicious
Similar samples:
0c0c9a19db1f89d94ddcd8af54fa631798e3ccc82743faae6d9818759f2dbcc1
Phobos
34e1a82f7334c825aab19a21d94361c3225ee8ad9a2027830aeea7d82f59ca15
Phobos
3c4ad3e800eb1b6e313b86f527ffed41f34e46221da557d611b55bae2ba46588
Phobos
64cc071973e05ae577f32bab349fafb4dba96ba9b8cab272aa5cd9d6074e5a39
Phobos
bc3b5ef9b1dc2f1b6a23b138c4c7b047479d98dfbdf216097c08a68c2f771732
Phobos
c8d9a9758516d5a8936bd3bc01a9997fb677ed1dc54081caa985883935ff092b
Phobos
e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099
Phobos
ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71
Phobos
+ 3'136 additional samples on MalwareBazaar
Result
Malware family:
phobos
Create hunting rule
Score:
  10/10
Tags:
family:phobos evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230919-g8bpbshc99/
Behaviour
Checks SCSI registry key(s)
Interacts with shadow copies
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Program crash
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 (469) files with added filename extension
Phobos
Unpacked files
SH256 hash:
681f180735ec833997bea4eb26c58f9c2e39980cd0a351e0b5cd99c502b33ae8
MD5 hash:
d922c94b64e04ea8b2be3ca4ed31e65e
SHA1 hash:
73674302ab4d7ddf203eaa6edc56e8538377fbcb
Link:
https://www.unpac.me/results/6736ba01-1066-4f43-b7b5-2ba2fdf2d1f0/
Malware family:
Dharma
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/681f180735ec/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/681f180735ec833997bea4eb26c58f9c2e39980cd0a351e0b5cd99c502b33ae8

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 681f180735ec833997bea4eb26c58f9c2e39980cd0a351e0b5cd99c502b33ae8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2712329/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/449565/

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