MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7b7a278d01cdeb008c2df1d950a5128aed36105509ed7985a55648cf80b448f. 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: 14


Intelligence 14 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c7b7a278d01cdeb008c2df1d950a5128aed36105509ed7985a55648cf80b448f
SHA3-384 hash: 5e5737bcce10f768c35e2a2b628425a8760a0dd93d58573a51ec4949cef6c36f118a272726aebfbd1bfc4683a4d24817
SHA1 hash: 8597dcc5489ae888cb81f3ad215189c62cabb905
MD5 hash: 5ee6ee0e43c842b763ad21dacd614724
humanhash: arizona-video-neptune-three
File name:ExLoader_Installer.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:59'294'720 bytes
First seen:2025-03-16 17:48:09 UTC
Last seen:2025-03-16 18:24:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 140094f13383e9ae168c4b35b6af3356 (32 x DCRat, 11 x CoinMiner, 10 x njrat)
ssdeep 786432:ato/ls0YP3zrUoLDIdfZ2D0u8KtL/wgL0Adx2EgKO/+Nj:a+Cmor9
TLSH T1BED733436E527597F4628CF6194A278C8A709C61162CDA8DBD7DB8F400C6FF936BCB90
TrID 32.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
28.9% (.EXE) Win32 Executable (generic) (4504/4/1)
13.0% (.EXE) OS/2 Executable (generic) (2029/13)
12.8% (.EXE) Generic Win/DOS Executable (2002/3)
12.8% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon e88e617565618ee0 (1 x AsyncRAT, 1 x BlankGrabber)
Reporter aachum
Tags:BlankGrabber exe UmbralStealer xworm


Avatar
iamaachum
https://www.youtube.com/watch?v=caI4n6um4j8 => https://drive.google.com/file/d/1lodVoo7GWCizZ7Dj3lgjJeqTfIi3F5Jo/view

XWorm C2: loans-palace.gl.at.ply.gg:60925

Intelligence

File Origin
# of uploads :
2
# of downloads :
426
Origin country :
ES ES
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d70cae08116ce4257184a2
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Creating a window
Searching for synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Running batch commands
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching the process to change network settings
Enabling the 'hidden' option for files in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm fasm packed packed packer_detected
Link:
https://www.filescan.io/uploads/67d70f1e01edd28374b15cc6/reports/48260a3f-c6dc-46a6-b40e-497aedc93802/overview
Verdict:
Malicious
Labled as:
ExNuma.Generic
Link:
https://www.hybrid-analysis.com/sample/c7b7a278d01cdeb008c2df1d950a5128aed36105509ed7985a55648cf80b448f
Result
Verdict:
MALICIOUS
Result
Threat name:
Python Stealer, Blank Grabber, Umbral St
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1639944
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Modifies the hosts file
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Removes signatures from Windows Defender
Sample uses string decryption to hide its real strings
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 Script Execution From Temp Folder
Suricata IDS alerts for network traffic
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 attrib.exe to hide files
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 Generic Python Stealer
Yara detected Umbral Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1639944 Sample: ExLoader_Installer.exe Startdate: 16/03/2025 Architecture: WINDOWS Score: 100 129 loans-palace.gl.at.ply.gg 2->129 131 discord.com 2->131 133 13 other IPs or domains 2->133 153 Suricata IDS alerts for network traffic 2->153 155 Found malware configuration 2->155 157 Malicious sample detected (through community Yara rule) 2->157 159 23 other signatures 2->159 13 ExLoader_Installer.exe 4 2->13         started        signatures3 process4 file5 119 C:\Users\user\AppData\...\WindowsDefender.exe, PE32 13->119 dropped 121 C:\Users\user\AppData\Local\...\Install.exe, PE32 13->121 dropped 123 C:\Users\user\...xLoader_Installer.exe, PE32+ 13->123 dropped 16 WindowsDefender.exe 3 13->16         started        20 Install.exe 2 13->20         started        22 ExLoader_Installer.exe 1 237 13->22         started        process6 file7 91 C:\Users\user\AppData\Local\Temp\Setup.exe, PE32+ 16->91 dropped 93 C:\Users\user\AppData\Local\Setup.exe, PE32 16->93 dropped 147 Antivirus detection for dropped file 16->147 149 Multi AV Scanner detection for dropped file 16->149 151 Found many strings related to Crypto-Wallets (likely being stolen) 16->151 24 Setup.exe 22 16->24         started        28 Setup.exe 16->28         started        95 C:\Users\user\AppData\Local\Installer.exe, PE32 20->95 dropped 31 Installer.exe 1 6 20->31         started        97 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 22->97 dropped 99 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 22->99 dropped 101 C:\Users\user\AppData\Local\...\msvcp140.dll, PE32+ 22->101 dropped 103 4 other malicious files 22->103 dropped 33 ExLoader_Installer.exe 22->33         started        signatures8 process9 dnsIp10 107 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 24->107 dropped 109 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 24->109 dropped 111 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 24->111 dropped 117 16 other malicious files 24->117 dropped 191 Multi AV Scanner detection for dropped file 24->191 193 Modifies Windows Defender protection settings 24->193 195 Adds a directory exclusion to Windows Defender 24->195 209 2 other signatures 24->209 35 Setup.exe 24->35         started        137 ip-api.com 208.95.112.1, 49740, 49741, 80 TUT-ASUS United States 28->137 113 C:\Windows\System32\drivers\etc\hosts, ASCII 28->113 dropped 197 Antivirus detection for dropped file 28->197 199 Suspicious powershell command line found 28->199 201 Uses cmd line tools excessively to alter registry or file data 28->201 211 3 other signatures 28->211 39 attrib.exe 28->39         started        41 powershell.exe 28->41         started        43 powershell.exe 28->43         started        45 powershell.exe 28->45         started        139 loans-palace.gl.at.ply.gg 147.185.221.26, 49745, 49750, 60925 SALSGIVERUS United States 31->139 115 C:\ProgramData115VIDIA Container.exe, PE32 31->115 dropped 203 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->203 205 Protects its processes via BreakOnTermination flag 31->205 207 Bypasses PowerShell execution policy 31->207 47 powershell.exe 31->47         started        49 powershell.exe 31->49         started        51 powershell.exe 31->51         started        141 meteum.ai 213.180.193.146, 443, 49727, 49730 YANDEXRU Russian Federation 33->141 143 ds-global3.l7.search.ystg1.b.yahoo.com 212.82.100.137, 443, 49728 YAHOO-IRDGB United Kingdom 33->143 145 2 other IPs or domains 33->145 file11 signatures12 process13 dnsIp14 135 discord.com 162.159.135.232, 443, 49742, 49743 CLOUDFLARENETUS United States 35->135 161 Tries to harvest and steal browser information (history, passwords, etc) 35->161 163 Modifies Windows Defender protection settings 35->163 165 Adds a directory exclusion to Windows Defender 35->165 169 4 other signatures 35->169 53 cmd.exe 35->53         started        70 22 other processes 35->70 56 conhost.exe 39->56         started        58 conhost.exe 41->58         started        60 conhost.exe 43->60         started        62 conhost.exe 45->62         started        167 Loading BitLocker PowerShell Module 47->167 64 conhost.exe 47->64         started        66 conhost.exe 49->66         started        68 conhost.exe 51->68         started        signatures15 process16 signatures17 171 Suspicious powershell command line found 53->171 173 Uses cmd line tools excessively to alter registry or file data 53->173 175 Encrypted powershell cmdline option found 53->175 183 3 other signatures 53->183 72 powershell.exe 53->72         started        75 conhost.exe 53->75         started        177 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 56->177 179 Modifies Windows Defender protection settings 70->179 181 Tries to harvest and steal WLAN passwords 70->181 77 getmac.exe 70->77         started        79 powershell.exe 70->79         started        82 powershell.exe 70->82         started        84 42 other processes 70->84 process18 file19 185 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 77->185 187 Writes or reads registry keys via WMI 77->187 125 C:\Users\user\AppData\...\olohblg2.cmdline, Unicode 79->125 dropped 86 csc.exe 79->86         started        189 Loading BitLocker PowerShell Module 82->189 127 C:\Users\user\AppData\Local\Temp\CcYXi.zip, RAR 84->127 dropped signatures20 process21 file22 105 C:\Users\user\AppData\Local\...\olohblg2.dll, PE32 86->105 dropped 89 cvtres.exe 86->89         started        process23
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c7b7a278d01cdeb008c2df1d950a5128aed36105509ed7985a55648cf80b448f
Gathering data
Threat name:
Win32.Trojan.ExNuma
Create hunting rule
Status:
Malicious
First seen:
2025-03-16 17:38:54 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y632e6gqdtplacgc34ozkcsrfcxngyifkcpnpgc2kvsiz6alishq._file
Verdict:
malicious
Label(s):
umbral
Create hunting rule
xworm
Create hunting rule
Similar samples:
error
BlankGrabber
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:umbral family:xworm collection credential_access defense_evasion discovery execution persistence privilege_escalation rat spyware stealer trojan upx
Link:
https://tria.ge/reports/250316-wdjtsawwas/
Behaviour
Detects videocard installed
Gathers system information
Modifies registry class
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
System Network Configuration Discovery: Wi-Fi Discovery
Enumerates processes with tasklist
Hide Artifacts: Hidden Files and Directories
UPX packed file
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Obfuscated Files or Information: Command Obfuscation
Checks computer location settings
Clipboard Data
Drops startup file
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
Detect Umbral payload
Detect Xworm Payload
Umbral
Umbral family
Xworm
Xworm family
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1350457167203008604/YBrQC-aHvDRGxpz0MJWjVDDTdjozi2e-Cq4DxHJwQuOhibsoBdJvoA9h6zFCKibZr6GW
loans-palace.gl.at.ply.gg:60925
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f92c21ce-f423-48e5-bc79-df810df58292
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c7b7a278d01c/report/overview.html
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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
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:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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)
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:upx_largefile
Create hunting rule
Author:k3nr9
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

BlankGrabber

Executable exe c7b7a278d01cdeb008c2df1d950a5128aed36105509ed7985a55648cf80b448f

(this sample)

  
Link
https://tria.ge/250316-v5s14azjs4/
  
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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::VirtualAllocExNuma
kernel32.dll::CreateThread
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameA

Comments