MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6b7d70ca7d02133afbc24eeb585f2921bc35c01b23b90a66f515290c49cf0952. 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: | 6b7d70ca7d02133afbc24eeb585f2921bc35c01b23b90a66f515290c49cf0952 |
|---|---|
| SHA3-384 hash: | 1d382741e3d32acd0cf5a0424476eb007df07852e312c5514c48a676a9b24287f73490790d7a2e942346e3b576050326 |
| SHA1 hash: | 733ec0a491555e4563839ef273b66cb94f0c4163 |
| MD5 hash: | a53e1725d0d8f8c4616c625e113d3426 |
| humanhash: | wyoming-moon-one-blue |
| File name: | 6b7d70ca7d02133afbc24eeb585f2921bc35c01b23b90a66f515290c49cf0952 |
| Download: | download sample |
| Signature | Phobos |
| File size: | 61'440 bytes |
| First seen: | 2021-04-12 08:35:53 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 851a0ba8fbb71710075bdfe6dcef92eb (67 x Phobos, 2 x Worm.Ramnit) |
| ssdeep | 1536:kNeRBl5PT/rx1mzwRMSTdLpJS2gKBiEyfND:kQRrmzwR5J7guMl |
| Threatray | 10 similar samples on MalwareBazaar |
| TLSH | 4253CF5AA0A980B2CDB14670293A2F5F5EFE600540B488874F3D8D9B7FD5172D73A37A |
| Reporter |  fbgwls245 |
| Tags: | Phobos POLSAT Ransomware |
Intelligence
File Origin
# of uploads :
1
# of downloads :
1'381
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6b7d70ca7d02133afbc24eeb585f2921bc35c01b23b90a66f515290c49cf0952
Verdict:
Malicious activity
Analysis date:
2021-04-12 08:39:19 UTC
Tags:
ransomware phobos
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
Launching a service
Creating a file
Launching cmd.exe command interpreter
Creating a process with a hidden window
Modifying an executable file
Changing a file
Moving a file to the Program Files subdirectory
Sending a UDP request
Creating a file in the %AppData% subdirectories
Replacing executable files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Launching the process to change network settings
Launching the process to change the firewall settings
Launching a process
Creating a file in the Windows subdirectories
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
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.spre.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
Infects executable files (exe, dll, sys, html)
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
Modifies the windows firewall
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
Writes many files with high entropy
Yara detected Phobos
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Phobos
Status:
Malicious
First seen:
2021-04-05 06:37:00 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
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
Enumerates physical storage devices
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
Modifies extensions of user files
Deletes shadow copies
Modifies boot configuration data using bcdedit
Phobos
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
6b7d70ca7d02133afbc24eeb585f2921bc35c01b23b90a66f515290c49cf0952
MD5 hash:
a53e1725d0d8f8c4616c625e113d3426
SHA1 hash:
733ec0a491555e4563839ef273b66cb94f0c4163
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Filecoder
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.
Web download
Delivery method
Distributed via web download
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
1) [B0001.033] Anti-Behavioral Analysis::Timing/Delay Check QueryPerformanceCounter
2) [B0030.002] Command and Control::Receive Data
3) [C0002.012] Communication Micro-objective::Create Request::HTTP Communication
4) [C0002.017] Communication Micro-objective::Get Response::HTTP Communication
5) [C0002.008] Communication Micro-objective::WinHTTP::HTTP Communication
6) [C0003.001] Communication Micro-objective::Create Pipe::Interprocess Communication
7) [C0003.004] Communication Micro-objective::Write Pipe::Interprocess Communication
8) [C0001.012] Communication Micro-objective::Get Socket Status::Socket Communication
9) [C0001.006] Communication Micro-objective::Receive Data::Socket Communication
10) [C0001.001] Communication Micro-objective::Set Socket Config::Socket Communication
11) [C0029.003] Cryptography Micro-objective::SHA256::Cryptographic Hash
12) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
13) [C0028.002] Cryptography Micro-objective::RC4 KSA::Encryption Key
14) [C0026.002] Data Micro-objective::XOR::Encode Data
15) [C0030.001] Data Micro-objective::MurmurHash::Non-Cryptographic Hash
17) [C0045] File System Micro-objective::Copy File
18) [C0047] File System Micro-objective::Delete File
19) [C0049] File System Micro-objective::Get File Attributes
20) [C0051] File System Micro-objective::Read File
21) [C0050] File System Micro-objective::Set File Attributes
22) [C0052] File System Micro-objective::Writes File
23) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
24) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
25) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
26) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
27) [C0043] Process Micro-objective::Check Mutex
28) [C0042] Process Micro-objective::Create Mutex
29) [C0017] Process Micro-objective::Create Process
30) [C0038] Process Micro-objective::Create Thread
31) [C0018] Process Micro-objective::Terminate Process