MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcf517b48094726367f1fdb2ace3f2cfd29f4f9710512f45ecb0109d03cc0dcc. 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


BlankGrabber


Vendor detections: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcf517b48094726367f1fdb2ace3f2cfd29f4f9710512f45ecb0109d03cc0dcc
SHA3-384 hash: 77eda7cd57b978ffbc1ca2540e5a2a9e5153910eb05266f3a1bc5ab29494d8e67b8b281840194cbddcb8053ff2ed41d5
SHA1 hash: b7e9e405e3867213cd3e544574ceff70bef2b6fb
MD5 hash: 8c43bf4445cac5fa025b9dfd07517b6f
humanhash: mobile-papa-sad-three
File name:phost.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:7'832'204 bytes
First seen:2024-12-13 07:17:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 72c4e339b7af8ab1ed2eb3821c98713a (51 x BlankGrabber, 27 x PythonStealer, 7 x LunaStealer)
ssdeep 196608:oPvLjv+bhqNVoBLD7fEXEoYbiIv9pvvk9fIiZ1jA:ajL+9qz8LD7fEUbiIqQgpA
TLSH T1BF863358A3A80DF1EE76503DD766DC4ADB36B8022710C9CF17A563266E27CC5843BBB1
TrID 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.9% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.ICL) Windows Icons Library (generic) (2059/9)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon f4e4d4d4d4d4d4dc (4 x BlankGrabber)
Reporter JAMESWT_WT
Tags:BlankGrabber exe github-com--homboz

Intelligence

File Origin
# of uploads :
1
# of downloads :
371
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
phost.exe
Verdict:
Malicious activity
Analysis date:
2024-12-13 08:01:24 UTC
Tags:
evasion blankgrabber
Link:
https://app.any.run/tasks/51381a4f-358e-4815-8613-b74150afd019

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.22561.28030.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675be18f89dbe216234f7f20
Tags:
shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
DNS request
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand lolbin microsoft_visual_cc overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/675bdfae748e7702e7575c91/reports/c50b04c5-4393-4961-904a-208bcdb59497/overview
Verdict:
Malicious
Labled as:
Znyonm.B.Generic
Link:
https://www.hybrid-analysis.com/sample/dcf517b48094726367f1fdb2ace3f2cfd29f4f9710512f45ecb0109d03cc0dcc
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/34d3b90a-3376-4fbf-9ffd-6e3c40dc7424
Result
Threat name:
Blank Grabber
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1574326
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found pyInstaller with non standard icon
Loading BitLocker PowerShell Module
Modifies existing user documents (likely ransomware behavior)
Modifies the hosts file
Modifies Windows Defender protection settings
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Removes signatures from Windows Defender
Sigma detected: Capture Wi-Fi password
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Rar Usage with Password and Compression Level
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: Suspicious Startup Folder Persistence
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Crypto Currency Wallets
Uses cmd line tools excessively to alter registry or file data
Uses netsh to modify the Windows network and firewall settings
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1574326 Sample: phost.exe Startdate: 13/12/2024 Architecture: WINDOWS Score: 100 72 ip-api.com 2->72 74 discord.com 2->74 76 blank-c9yfy.in 2->76 84 Found malware configuration 2->84 86 Sigma detected: Capture Wi-Fi password 2->86 88 Multi AV Scanner detection for submitted file 2->88 90 11 other signatures 2->90 11 phost.exe 22 2->11         started        15 svchost.exe 2->15         started        signatures3 process4 dnsIp5 64 C:\Users\user\AppData\Local\Temp\...\rar.exe, PE32+ 11->64 dropped 66 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 11->66 dropped 68 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->68 dropped 70 16 other files (none is malicious) 11->70 dropped 116 Modifies Windows Defender protection settings 11->116 118 Adds a directory exclusion to Windows Defender 11->118 120 Tries to harvest and steal WLAN passwords 11->120 122 2 other signatures 11->122 18 phost.exe 107 11->18         started        82 127.0.0.1 unknown unknown 15->82 file6 signatures7 process8 dnsIp9 78 ip-api.com 208.95.112.1, 49731, 49744, 80 TUT-ASUS United States 18->78 80 discord.com 162.159.137.232, 443, 49745 CLOUDFLARENETUS United States 18->80 92 Found many strings related to Crypto-Wallets (likely being stolen) 18->92 94 Uses cmd line tools excessively to alter registry or file data 18->94 96 Tries to harvest and steal browser information (history, passwords, etc) 18->96 98 6 other signatures 18->98 22 cmd.exe 1 18->22         started        25 cmd.exe 1 18->25         started        27 cmd.exe 18->27         started        29 35 other processes 18->29 signatures10 process11 signatures12 100 Suspicious powershell command line found 22->100 102 Uses cmd line tools excessively to alter registry or file data 22->102 104 Encrypted powershell cmdline option found 22->104 114 2 other signatures 22->114 31 powershell.exe 23 22->31         started        34 conhost.exe 22->34         started        106 Modifies Windows Defender protection settings 25->106 108 Removes signatures from Windows Defender 25->108 36 powershell.exe 25->36         started        46 2 other processes 25->46 110 Adds a directory exclusion to Windows Defender 27->110 38 powershell.exe 27->38         started        40 conhost.exe 27->40         started        112 Tries to harvest and steal WLAN passwords 29->112 42 getmac.exe 29->42         started        44 systeminfo.exe 29->44         started        48 68 other processes 29->48 process13 file14 124 Loading BitLocker PowerShell Module 31->124 126 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 42->126 128 Writes or reads registry keys via WMI 42->128 58 C:\Users\user\AppData\...\jnxiphgt.cmdline, Unicode 48->58 dropped 60 C:\Users\user\AppData\Local\Temp\C7XW6.zip, RAR 48->60 dropped 51 csc.exe 48->51         started        54 conhost.exe 48->54         started        signatures15 process16 file17 62 C:\Users\user\AppData\Local\...\jnxiphgt.dll, PE32 51->62 dropped 56 cvtres.exe 51->56         started        process18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dcf517b48094726367f1fdb2ace3f2cfd29f4f9710512f45ecb0109d03cc0dcc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dcf517b48094726367f1fdb2ace3f2cfd29f4f9710512f45ecb0109d03cc0dcc/
Threat name:
Win64.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2024-12-13 07:15:00 UTC
File Type:
PE+ (Exe)
Extracted files:
547
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3t2rpneasrzggz7r7wzkzy7sz7jj6t4xcbis6rpmwaij2a6mbxga._file
Result
Malware family:
blankgrabber
Create hunting rule
Score:
  10/10
Tags:
family:blankgrabber collection credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer upx
Link:
https://tria.ge/reports/241213-h4ytqssjet/
Behaviour
Detects videocard installed
Gathers system information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Network Configuration Discovery: Wi-Fi Discovery
Enumerates processes with tasklist
UPX packed file
Accesses cryptocurrency files/wallets, possible credential harvesting
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Obfuscated Files or Information: Command Obfuscation
Clipboard Data
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Command and Scripting Interpreter: PowerShell
Drops file in Drivers directory
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/45ba12d2-0581-4a99-8993-a6da2ea5f8d0
Unpacked files
SH256 hash:
dcf517b48094726367f1fdb2ace3f2cfd29f4f9710512f45ecb0109d03cc0dcc
MD5 hash:
8c43bf4445cac5fa025b9dfd07517b6f
SHA1 hash:
b7e9e405e3867213cd3e544574ceff70bef2b6fb
Link:
https://www.unpac.me/results/891c7374-6095-419b-b32b-b10f8095817c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dcf517b48094/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.83
Link:
https://yomi.yoroi.company/submissions/dcf517b48094726367f1fdb2ace3f2cfd29f4f9710512f45ecb0109d03cc0dcc

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

BlankGrabber

Executable exe dcf517b48094726367f1fdb2ace3f2cfd29f4f9710512f45ecb0109d03cc0dcc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3347366/
  
Delivery method
Distributed via web download

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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ConvertSidToStringSidW
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::FindFirstFileW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::SetDllDirectoryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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