MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 97a4d094f86b757b3fb0e189f2843a7af8d0ec43f9805214e89992528e83b5d7. 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: | 97a4d094f86b757b3fb0e189f2843a7af8d0ec43f9805214e89992528e83b5d7 |
|---|---|
| SHA3-384 hash: | c182218496e370e21eb75f8e76ae3832f3f3be95580e2cc8eee3356170a218c5708d227e08bbf4c008136407e62f0482 |
| SHA1 hash: | 57ad4363343ac0ac26e953bf5473e50327ce3994 |
| MD5 hash: | 0a2f0447233fa3f8c754fc8142ab6f7a |
| humanhash: | vegan-speaker-red-thirteen |
| File name: | 0a2f0447233fa3f8c754fc8142ab6f7a |
| Download: | download sample |
| Signature | Phobos |
| File size: | 276'992 bytes |
| First seen: | 2023-10-11 09:27:37 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 6144:Vnc5VNMxG6QK8HwEFd2PTwwfyb2lMIw6Ou6AiC:VgN2G6v8HwQd2PleKVONBC |
| Threatray | 1'455 similar samples on MalwareBazaar |
| TLSH | T1AE44F10CFA888855FA77CE73925512A4473D43FEB029BF6B190C592C3D07DDB1E42A6A |
| 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 :
1
# of downloads :
361
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0a2f0447233fa3f8c754fc8142ab6f7a
Verdict:
Malicious activity
Analysis date:
2023-10-11 09:29:16 UTC
Tags:
ransomware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Phobos
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
Modifying an executable file
Changing a file
Sending a custom TCP request
Replacing executable files
Launching the process to change the firewall settings
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Moving a file to the %AppData% subdirectory
Launching a 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:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm
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.evad.spyw
Score:
100 / 100
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)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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)
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
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.DarkTortilla
Status:
Malicious
First seen:
2023-10-11 09:28:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
17 of 22 (77.27%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'445 additional samples on MalwareBazaar
Result
Malware family:
phobos
Score:
10/10
Tags:
family:phobos evasion persistence ransomware
Behaviour
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops desktop.ini file(s)
Drops startup file
Deletes backup catalog
Modifies Windows Firewall
Deletes shadow copies
Modifies boot configuration data using bcdedit
Phobos
Unpacked files
SH256 hash:
b4b89828380c4781c7beafa6dce00ae38cd4adc13ad56792996e28c41def5c53
MD5 hash:
966061cecee2b65fe7149dfa1d0f2c3a
SHA1 hash:
691ed7b6c4c0bdd824ede0514aacda9d7adc51f1
SH256 hash:
b7dd4905cb9379e25eba180bdb99ae231caef1707fd4b3a4d8d6a18ecd777c0a
MD5 hash:
9db347063496af1448f2046300e9d4c4
SHA1 hash:
51877cabbdf56ae04c8455f06ff32413d7db84dd
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
3939ea438eef206425b8222b6899d8066cc200761d113dd4d07a20fec570cd7d
MD5 hash:
8e92b042e424d58394cb463efa3f7846
SHA1 hash:
00e1fbe9e8c3f98534224b9ac20fbc7fb86b3bc5
SH256 hash:
97a4d094f86b757b3fb0e189f2843a7af8d0ec43f9805214e89992528e83b5d7
MD5 hash:
0a2f0447233fa3f8c754fc8142ab6f7a
SHA1 hash:
57ad4363343ac0ac26e953bf5473e50327ce3994
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| 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
Delivery method
Distributed via web download
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