MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e
SHA3-384 hash: f7bae204fdf9e5cc04886c1160590f7aa927610c967639292a7ca6aa35223c42fb83e203d8dcc121616abc2ed9619db3
SHA1 hash: 1c2c6d8809bb77ead595fa41faac6b3861df18aa
MD5 hash: 89ecb17e4dd618967b8d31ce34052c2b
humanhash: crazy-twenty-golf-skylark
File name:b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e
Download: download sample
Signature Phobos
Create hunting rule
File size:141'312 bytes
First seen:2022-11-09 05:25:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 851a0ba8fbb71710075bdfe6dcef92eb (67 x Phobos, 2 x Worm.Ramnit)
ssdeep 3072:dQRrmzwR5JrGJNnVUQRrmzwR5JEQRrmzwR5JS:dQxR5JrGRUQxR5JEQxR5JS
Threatray 38 similar samples on MalwareBazaar
TLSH T11FD39E16746980B2CD7186B0293A2F5F8EFE610540B484978F394E863FD5477E73A3BA
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter petikvx
Tags:Phobos Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
411
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e
Verdict:
Malicious activity
Analysis date:
2022-11-09 05:20:35 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/bda1f18c-8919-426b-b552-008c9ed794b8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Phobos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/330978/
Detection(s):
Win.Ransomware.Ulise-7594403-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Launching the process to change network settings
Replacing executable files
Creating a file in the Program Files directory
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching the process to change the firewall settings
Launching a process
Network activity
Creating a file in the %AppData% subdirectories
Deleting a recently created file
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
Encrypting user's files
Infecting executable files
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crysis filecoder greyware overlay packed phobos ransomware shell32.dll windows
Link:
https://www.filescan.io/uploads/636b39ea20a0b4943a8e9121/reports/27399c7d-a1fc-495c-8192-ba272a46eca6/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8fd86a6b-29f5-4561-bbe5-7a51dce68b41
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.spre.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1108941
Signature
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)
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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 741605 Sample: yFrFUfBvFv.exe Startdate: 09/11/2022 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for dropped file 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 7 other signatures 2->67 7 yFrFUfBvFv.exe 1 501 2->7         started        11 yFrFUfBvFv.exe 2->11         started        13 wbengine.exe 3 2->13         started        15 5 other processes 2->15 process3 file4 47 C:\ProgramData\Microsoft\...\yFrFUfBvFv.exe, PE32 7->47 dropped 49 C:\...\yFrFUfBvFv.exe:Zone.Identifier, ASCII 7->49 dropped 51 desktop.ini.id[527...act@rape.lol].eking, data 7->51 dropped 69 Creates files in the recycle bin to hide itself 7->69 71 Drops PE files to the startup folder 7->71 73 Tries to harvest and steal browser information (history, passwords, etc) 7->73 75 Infects executable files (exe, dll, sys, html) 7->75 17 cmd.exe 1 7->17         started        20 yFrFUfBvFv.exe 2 6 7->20         started        23 cmd.exe 7->23         started        77 Antivirus detection for dropped file 11->77 79 Multi AV Scanner detection for dropped file 11->79 81 Machine Learning detection for dropped file 11->81 83 Found evasive API chain (may stop execution after checking locale) 11->83 85 Creates files inside the volume driver (system volume information) 13->85 signatures5 process6 file7 53 May disable shadow drive data (uses vssadmin) 17->53 55 Deletes shadow drive data (may be related to ransomware) 17->55 57 Uses netsh to modify the Windows network and firewall settings 17->57 59 3 other signatures 17->59 25 bcdedit.exe 8 1 17->25         started        27 bcdedit.exe 7 1 17->27         started        29 conhost.exe 17->29         started        37 3 other processes 17->37 39 C:\Users\user\AppData\...\yFrFUfBvFv.exe, PE32 20->39 dropped 41 C:\Users\user\AppData\Local\yFrFUfBvFv.exe, PE32 20->41 dropped 43 C:\Users\...\yFrFUfBvFv.exe:Zone.Identifier, ASCII 20->43 dropped 45 C:\Users\...\yFrFUfBvFv.exe:Zone.Identifier, ASCII 20->45 dropped 31 netsh.exe 3 23->31         started        33 netsh.exe 3 23->33         started        35 conhost.exe 23->35         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e/
Threat name:
Win32.Ransomware.Phobos
Create hunting rule
Status:
Malicious
First seen:
2022-11-08 10:32:48 UTC
File Type:
PE (Exe)
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wdrkrq6f2v2xdr4jffakwuyzewrlarizmsx5ga27ckjqmlfg2zha._file
Verdict:
malicious
Similar samples:
03bb4d5c0179fdceacc5df7645e6e7fa93e931ac9beb1968c7bbe40ba3499194
Phobos
0b4c743246478a6a8c9fa3ff8e04f297507c2f0ea5d61a1284fe65387d172f81
Phobos
1f2c57feb6fcb80fe02d53778fa7c6b3bcba0319229fe9b9ff725a24d939c2b6
Phobos
25dce15057f3e9f904ea28e039fe0d2945308d7f41ea5386e99af4840c2e6762
Phobos
265d1ae339e9397976d9328b2c84aca61a7cb6c0bca9f2f8dc213678e2b2ad86
Phobos
992dad791a523f2c0a0b5a74c08e5573905f301d8891db0ed6e885face9ef0e2
Phobos
d7d50f809a7808ca53c4430d484bb100aaf9c74c6c12080ff888b8c04212f405
Phobos
dea38651b06aab617e93bdb343fd28587bdc0e113a4fc957571a06988491ade7
Phobos
f0aec57001a184ea82122a59c6e5be48042f75d6f11a40125995ba9531aab718
Phobos
+ 28 additional samples on MalwareBazaar
Result
Malware family:
phobos
Create hunting rule
Score:
  10/10
Tags:
family:phobos evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/221109-f4ve7seag4/
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
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e
MD5 hash:
89ecb17e4dd618967b8d31ce34052c2b
SHA1 hash:
1c2c6d8809bb77ead595fa41faac6b3861df18aa
Link:
https://www.unpac.me/results/4f12c5f5-a502-4203-b9ad-355b686b4e24/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b0e2a8c3c5d57571c7892940ab531925a2b0451964afd3035f1293062ca6d64e

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
Create hunting rule
Author:ditekshen
Description:Detects Phobos ransomware
Rule name:Windows_Ransomware_Phobos_11ea7be5
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/330978/

Comments