MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f146915a0298daff26ffe85a42b9a9ef68e7a148e3dbe3bc43abb283d96facbd. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: f146915a0298daff26ffe85a42b9a9ef68e7a148e3dbe3bc43abb283d96facbd
SHA3-384 hash: a85f182440c2d0c9464bf0a06f6ba813f9188c7adc4b6a6a08bfa8eabb81d1a09438f94d0654981ee171aab75eac9ea0
SHA1 hash: 900b980b7ef5bbbc6a255cffd66900fb68802c25
MD5 hash: 88389a265bd9b1e9c59fb7053cf45b07
humanhash: seventeen-summer-alabama-low
File name:wikilab.exe
Download: download sample
Signature Phobos
File size:56'832 bytes
First seen:2024-01-02 09:10:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 851a0ba8fbb71710075bdfe6dcef92eb (67 x Phobos, 2 x Worm.Ramnit)
ssdeep 1536:ENeRBl5PT/rx1mzwRMSTdLpJMGl5dPZjlkWBFj:EQRrmzwR5J1VPZiW
TLSH T1E743B046706980B3CE6246B0253A2F4B8FBF540540B888978F3D5D963FD5476EB2E37A
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:exe Phobos Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
756
Origin country :
TR TR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f146915a0298daff26ffe85a42b9a9ef68e7a148e3dbe3bc43abb283d96facbd.exe
Verdict:
Malicious activity
Analysis date:
2024-01-02 09:26:37 UTC
Tags:
ransomware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a service
Restart of the analyzed sample
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
Sending a custom TCP request
Modifies multiple files
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
Creating a file in the %AppData% subdirectories
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dharma filecoder lolbin packed phobos ransomware shell32 xpack
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
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)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
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
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
Yara detected Voidcrypt Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1368708 Sample: wikilab.exe Startdate: 02/01/2024 Architecture: WINDOWS Score: 100 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 7 other signatures 2->76 7 wikilab.exe 4 503 2->7         started        11 wikilab.exe 2->11         started        13 wbuser.exe 2->13         started        15 6 other processes 2->15 process3 file4 50 C:\ProgramData\Microsoft\...\wikilab.exe, PE32 7->50 dropped 52 vulkan-1.dll.id[A7...echmail.info].eking, data 7->52 dropped 54 v8_context_snapsho...echmail.info].eking, data 7->54 dropped 56 40 other files (39 malicious) 7->56 dropped 78 Creates files in the recycle bin to hide itself 7->78 80 Drops PE files to the startup folder 7->80 82 Writes many files with high entropy 7->82 84 Infects executable files (exe, dll, sys, html) 7->84 17 cmd.exe 1 7->17         started        20 cmd.exe 7->20         started        22 wikilab.exe 2 6 7->22         started        25 4 other processes 7->25 86 Multi AV Scanner detection for dropped file 11->86 88 Found evasive API chain (may stop execution after checking locale) 11->88 90 Creates files inside the volume driver (system volume information) 13->90 signatures5 process6 file7 58 May disable shadow drive data (uses vssadmin) 17->58 60 Deletes shadow drive data (may be related to ransomware) 17->60 62 Uses netsh to modify the Windows network and firewall settings 17->62 64 Modifies the windows firewall 17->64 27 vssadmin.exe 1 17->27         started        30 bcdedit.exe 9 1 17->30         started        32 bcdedit.exe 8 1 17->32         started        42 3 other processes 17->42 66 Uses bcdedit to modify the Windows boot settings 20->66 68 Deletes the backup plan of Windows 20->68 34 vssadmin.exe 20->34         started        44 5 other processes 20->44 46 C:\Users\user\AppData\Roaming\...\wikilab.exe, PE32 22->46 dropped 48 C:\Users\user\AppData\Local\wikilab.exe, PE32 22->48 dropped 36 netsh.exe 2 25->36         started        38 netsh.exe 2 25->38         started        40 conhost.exe 25->40         started        signatures8 process9 signatures10 92 Deletes shadow drive data (may be related to ransomware) 27->92
Threat name:
Win32.Ransomware.Phobos
Status:
Malicious
First seen:
2023-12-19 09:40:41 UTC
File Type:
PE (Exe)
AV detection:
20 of 21 (95.24%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:phobos evasion persistence ransomware spyware stealer
Behaviour
Interacts with shadow copies
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
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
Renames multiple (93) files with added filename extension
Phobos
Unpacked files
SH256 hash:
f146915a0298daff26ffe85a42b9a9ef68e7a148e3dbe3bc43abb283d96facbd
MD5 hash:
88389a265bd9b1e9c59fb7053cf45b07
SHA1 hash:
900b980b7ef5bbbc6a255cffd66900fb68802c25
Detections:
win_phobos_auto MALWARE_Win_Phobos
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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.

Comments