MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3c4ad3e800eb1b6e313b86f527ffed41f34e46221da557d611b55bae2ba46588. 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
| SHA256 hash: | 3c4ad3e800eb1b6e313b86f527ffed41f34e46221da557d611b55bae2ba46588 |
|---|---|
| SHA3-384 hash: | 4d9e88e3bda2a8774211d9807806808cb83a729266d23b8387552d6f50fec65ab7e2d20647f839595b4065a621d0291b |
| SHA1 hash: | e17386b4b0e87f93578069989d0ba94694aedb8d |
| MD5 hash: | eb14be4fd9a7176478dc4bfb1be2cfc3 |
| humanhash: | stairway-august-timing-diet |
| File name: | Antirecuva.exe |
| Download: | download sample |
| Signature | Phobos |
| File size: | 56'832 bytes |
| First seen: | 2022-01-24 10:51:08 UTC |
| Last seen: | 2022-01-24 10:52:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 851a0ba8fbb71710075bdfe6dcef92eb (67 x Phobos, 2 x Worm.Ramnit) |
| ssdeep | 1536:bNeRBl5PT/rx1mzwRMSTdLpJRoSVFGer:bQRrmzwR5JvIer |
| Threatray | 15 similar samples on MalwareBazaar |
| TLSH | T17643BF07709994B2CD628670283A6F5F5EBFA10448B484878F394D5A3FD5173E73A3BA |
| Reporter |  SP3ZN45 |
| Tags: | exe Phobos |
Intelligence
File Origin
# of uploads :
2
# of downloads :
719
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Phobos
Detection(s):
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
Creating a file in the Program Files subdirectories
Replacing executable files
Creating a file in the Program Files directory
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
Creating a file in the Windows subdirectories
Deleting a recently created file
Creating a window
Network activity
Using the Windows Management Instrumentation requests
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
Encrypting user's files
Infecting executable files
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
crysis dharma filecoder greyware packed phobos ransomware 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:
Phobos
Detection:
malicious
Classification:
rans.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)
Machine Learning detection for sample
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
Yara detected Phobos
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Phobos
Status:
Malicious
First seen:
2022-01-17 06:58:00 UTC
File Type:
PE (Exe)
AV detection:
26 of 28 (92.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
ryuk
Similar samples:
+ 5 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
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Adds Run key to start application
Drops desktop.ini file(s)
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
Unpacked files
SH256 hash:
3c4ad3e800eb1b6e313b86f527ffed41f34e46221da557d611b55bae2ba46588
MD5 hash:
eb14be4fd9a7176478dc4bfb1be2cfc3
SHA1 hash:
e17386b4b0e87f93578069989d0ba94694aedb8d
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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.