MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3b4527cb772d504fcb4f5c81b5794314336682102ffd2820611c7a44b80ec71. 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



Phorpiex


Vendor detections: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: f3b4527cb772d504fcb4f5c81b5794314336682102ffd2820611c7a44b80ec71
SHA3-384 hash: 0c9381a6bb713359b0ff196335f366bf3d766bbc690ca8d41943af3a6ef76cc76f400267e7a3836fc072979c55ad44f9
SHA1 hash: 0062f3d55d06a73e0ced2a5ed932f36efaae4aaa
MD5 hash: 646e0a05e8a6926474566f89a1256d3b
humanhash: louisiana-nineteen-monkey-carpet
File name:f3b4527cb772d504fcb4f5c81b5794314336682102ffd2820611c7a44b80ec71
Download: download sample
Signature Phorpiex
File size:148'688 bytes
First seen:2024-05-09 11:31:25 UTC
Last seen:2024-05-09 12:21:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 22128b57f0bb3d3ab2313598bf7d9885 (1 x Phorpiex)
ssdeep 3072:K4yMZ+aSBtCIsVsKiDP31iEBU1sj+A9BghwFDrrdyVq8+9bwHV:tdSD4SKgPFTphF1Bb
Threatray 53 similar samples on MalwareBazaar
TLSH T187E35B1175D1C4B2E5B31A345978DAB59A7DFD300F208AEB6394022E5E74BD0AA32F73
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter adrian__luca
Tags:exe Phorpiex

Intelligence


File Origin
# of uploads :
2
# of downloads :
301
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
phorpiex
ID:
1
File name:
f3b4527cb772d504fcb4f5c81b5794314336682102ffd2820611c7a44b80ec71.exe
Verdict:
Malicious activity
Analysis date:
2024-05-09 11:34:36 UTC
Tags:
loader phorpiex

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
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the Windows directory
Enabling the 'hidden' option for recently created files
Creating a file
DNS request
Connection attempt
Sending a UDP request
Connection attempt to an infection source
Query of malicious DNS domain
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Disabling the operating system update service
Blocking the Windows Security Center notifications
Creating a file in the mass storage device
Sending an HTTP GET request to an infection source
Enabling a "Do not show hidden files" option
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
gandcrab lolbin overlay shell32 virus
Result
Threat name:
Phorpiex
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to check if Internet connection is working
Contains functionality to detect sleep reduction / modifications
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Found evasive API chain (may stop execution after checking mutex)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Phorpiex
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438895 Sample: xJd712XMG6.exe Startdate: 09/05/2024 Architecture: WINDOWS Score: 100 87 twizt.net 2->87 105 Snort IDS alert for network traffic 2->105 107 Multi AV Scanner detection for domain / URL 2->107 109 Antivirus detection for URL or domain 2->109 111 8 other signatures 2->111 11 xJd712XMG6.exe 16 2->11         started        16 winploravr.exe 2->16         started        18 winploravr.exe 2->18         started        20 2 other processes 2->20 signatures3 process4 dnsIp5 93 twizt.net 185.215.113.66, 49710, 49711, 49716 WHOLESALECONNECTIONSNL Portugal 11->93 75 C:\Users\user\AppData\Local\Temp\31E.exe, PE32 11->75 dropped 77 C:\Users\user\AppData\Local\...\pei[1].exe, PE32 11->77 dropped 133 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->133 22 31E.exe 16 11->22         started        26 conhost.exe 11->26         started        135 Multi AV Scanner detection for dropped file 16->135 137 Found evasive API chain (may stop execution after checking mutex) 16->137 139 Machine Learning detection for dropped file 16->139 file6 signatures7 process8 file9 63 C:\Users\user\AppData\...\1563633616.exe, PE32 22->63 dropped 65 C:\Users\user\AppData\Local\...\newtpp[1].exe, PE32 22->65 dropped 113 Multi AV Scanner detection for dropped file 22->113 115 Machine Learning detection for dropped file 22->115 117 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->117 28 1563633616.exe 1 1 22->28         started        signatures10 process11 file12 79 C:\Windows\sysbrapsvc.exe, PE32 28->79 dropped 141 Antivirus detection for dropped file 28->141 143 Multi AV Scanner detection for dropped file 28->143 145 Contains functionality to check if Internet connection is working 28->145 147 4 other signatures 28->147 32 sysbrapsvc.exe 8 49 28->32         started        signatures13 process14 dnsIp15 81 129.122.245.73, 40500 ZAP-AngolaAO Angola 32->81 83 189.223.59.144, 40500 UninetSAdeCVMX Mexico 32->83 85 51 other IPs or domains 32->85 55 C:\Users\user\AppData\...\3303718666.exe, PE32 32->55 dropped 57 C:\Users\user\AppData\Local\...\270131474.exe, PE32 32->57 dropped 59 C:\Users\user\AppData\...\2404525770.exe, PE32 32->59 dropped 61 5 other malicious files 32->61 dropped 97 Antivirus detection for dropped file 32->97 99 Multi AV Scanner detection for dropped file 32->99 101 Found evasive API chain (may stop execution after checking mutex) 32->101 103 6 other signatures 32->103 37 2135215592.exe 2 35 32->37         started        42 3303718666.exe 32->42         started        44 2404525770.exe 13 32->44         started        46 270131474.exe 32->46         started        file16 signatures17 process18 dnsIp19 89 91.202.233.141, 49737, 49739, 49741 M247GB Russian Federation 37->89 91 193.233.132.177, 49740, 49745, 49747 FREE-NET-ASFREEnetEU Russian Federation 37->91 67 C:\Windows\winploravr.exe, PE32 37->67 dropped 69 C:\Users\user\winploravr.exe, PE32 37->69 dropped 71 C:\Users\user\AppData\...\3552935175.exe, PE32 37->71 dropped 73 2 other malicious files 37->73 dropped 119 Multi AV Scanner detection for dropped file 37->119 121 Found evasive API chain (may stop execution after checking mutex) 37->121 123 Machine Learning detection for dropped file 37->123 131 2 other signatures 37->131 48 3552935175.exe 13 37->48         started        51 2336430677.exe 37->51         started        53 2807328524.exe 37->53         started        125 Antivirus detection for dropped file 42->125 127 Contains functionality to check if Internet connection is working 42->127 129 Contains functionality to detect sleep reduction / modifications 42->129 file20 signatures21 process22 signatures23 95 Multi AV Scanner detection for dropped file 48->95
Threat name:
Win32.Ransomware.GandCrab
Status:
Malicious
First seen:
2024-04-28 00:40:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence trojan
Behaviour
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Windows security modification
Downloads MZ/PE file
Modifies security service
Windows security bypass
Unpacked files
SH256 hash:
f3b4527cb772d504fcb4f5c81b5794314336682102ffd2820611c7a44b80ec71
MD5 hash:
646e0a05e8a6926474566f89a1256d3b
SHA1 hash:
0062f3d55d06a73e0ced2a5ed932f36efaae4aaa
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetSystemDirectoryW
VERSION.dll::GetFileVersionInfoSizeW
VERSION.dll::GetFileVersionInfoW
KERNEL32.dll::SetDllDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegOpenKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegQueryValueW
ADVAPI32.dll::RegSetValueExW

Comments