MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 71bd706cc0ace3774449282a9c1de5403f8f43dad118b9fbf4fc45cf4894f8e9. 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: 15
| SHA256 hash: | 71bd706cc0ace3774449282a9c1de5403f8f43dad118b9fbf4fc45cf4894f8e9 |
|---|---|
| SHA3-384 hash: | 5a4d74fc64f65c23cfa488e75c02169ee74c6b9d8c22563f8b8acd302d048549afcbb609a5314bc752a69e1a7e23dcf5 |
| SHA1 hash: | 1a5e8b4435f97dfd09b764c82dba35868e792803 |
| MD5 hash: | cb0f99306d05042b8b3db064ac3489b9 |
| humanhash: | cola-comet-ohio-freddie |
| File name: | cb0f99306d05042b8b3db064ac3489b9 |
| Download: | download sample |
| Signature | Phobos |
| File size: | 643'072 bytes |
| First seen: | 2023-09-07 06:30:20 UTC |
| Last seen: | 2023-09-07 08:33:33 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:nOifrg3Pq0mw2Jgc75Tn9hTMK6OHjuy+X4SsDca7nF7Z30G:A3sw2JjyK6zy+Xv8nF7ZEG |
| Threatray | 68 similar samples on MalwareBazaar |
| TLSH | T168D45B53B7A7C9F2E2C81736C29B150C13B5C582E7AFDB0A798E239658437A6DC4118F |
| 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 |  zbetcheckin |
| Tags: | 32 exe Phobos |
Intelligence
File Origin
# of uploads :
3
# of downloads :
314
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6a14114aa3bebe58ae76c66e7688f77a0e0e031cf048004f6bb670aab6344eeb
Verdict:
Malicious activity
Analysis date:
2023-09-07 04:52:01 UTC
Tags:
ransomware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Phobos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Unauthorized injection to a recently created process
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
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
Moving a file to the %AppData% subdirectory
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
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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.spre.adwa.spyw.evad.phis
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Creates files in the recycle bin to hide itself
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)
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:
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2023-09-07 06:31:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 58 additional samples on MalwareBazaar
Result
Malware family:
phobos
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
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
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 (312) files with added filename extension
Renames multiple (594) files with added filename extension
Phobos
Unpacked files
SH256 hash:
8408d2c10e3363dd66559c6af9ea7b6d50778b627054e76cb3587f7a51f533da
MD5 hash:
810a328049968dd68b01ded7fac89761
SHA1 hash:
ad0cce0d21638689eeff465c34b5050563886c37
SH256 hash:
b4b89828380c4781c7beafa6dce00ae38cd4adc13ad56792996e28c41def5c53
MD5 hash:
966061cecee2b65fe7149dfa1d0f2c3a
SHA1 hash:
691ed7b6c4c0bdd824ede0514aacda9d7adc51f1
SH256 hash:
a24c4694e54d8c21076bef902afd198e3ab1be350fe95cebcf3291742a6254ac
MD5 hash:
8d6ac43154a3aff63adc398e9a0f9943
SHA1 hash:
29411053db1a9947046cb20f764b6d67581ee1c8
SH256 hash:
bc21804a02b51446663d396f45ef4f4229c146e6c56df9257fd3bddc41fd777f
MD5 hash:
45865309486343f6c4a9d0b76fe8f996
SHA1 hash:
11859a343d00311a5014be88e470d065e8f22228
SH256 hash:
71bd706cc0ace3774449282a9c1de5403f8f43dad118b9fbf4fc45cf4894f8e9
MD5 hash:
cb0f99306d05042b8b3db064ac3489b9
SHA1 hash:
1a5e8b4435f97dfd09b764c82dba35868e792803
Malware family:
Dharma
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
Web download
Delivery method
Distributed via web download
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