MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29357c4073984b7507649fedbe13d90202a8eaa342c8b367e154f700d93d1f7c. 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: 17


Intelligence 17 IOCs YARA 29 File information Comments

SHA256 hash: 29357c4073984b7507649fedbe13d90202a8eaa342c8b367e154f700d93d1f7c
SHA3-384 hash: 194a947c0546449016cf10faeed0abb0d44217b9f8583f28f05a7305466fb989f983a1525357a51d5678d5af69b64be1
SHA1 hash: df64764ff6fc31ef961bb0593edc1ef71fb74c36
MD5 hash: d2f7dc5f4701e9041f8573992535f408
humanhash: william-island-rugby-sierra
File name:d2.scr
Download: download sample
Signature BlankGrabber
File size:10'642'121 bytes
First seen:2025-10-23 13:06:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (40 x BlankGrabber, 19 x Efimer, 17 x PythonStealer)
ssdeep 196608:CLidFbyZZj9fZwQRCgafs8rDkfCRcb+uoy1PZAM9qxgxR3DbMyDndkyP:CLiypw84fsekfxb+uoy1PZ/wkDbFkyP
TLSH T13BB633495BA505FBE993957E8923C932AB37FD901BA4C3CF032053252E575E2093B73A
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter 0x746f6d6669
Tags:BlankGrabber exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d2.scr
Verdict:
Malicious activity
Analysis date:
2025-10-23 13:10:00 UTC
Tags:
stealer anti-evasion python discord blankgrabber auto-startup evasion screenshot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
autorun xtreme shell 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
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Reading critical registry keys
Launching the process to change network settings
Loading a suspicious library
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a process from a recently created file
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand expired-cert invalid-signature lolbin masquerade microsoft_visual_cc overlay overlay packed pyinstaller signed
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-22T21:08:00Z UTC
Last seen:
2025-10-23T10:37:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sba Trojan-Spy.Win32.Agent.dffz HEUR:Trojan-PSW.Python.Blank.gen Trojan-PSW.MSIL.Stealer.sb Trojan.Win32.Dizemp.sb Trojan.Win32.Agent.sb Trojan.Python.Agent.gen PDM:Trojan.Win32.Generic Trojan-PSW.Python.Blank.sb Trojan-PSW.Win32.Greedy.sb
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-10-23 02:20:07 UTC
File Type:
PE+ (Exe)
Extracted files:
900
AV detection:
21 of 38 (55.26%)
Threat level:
  2/5
Result
Malware family:
blankgrabber
Score:
  10/10
Tags:
family:blankgrabber collection credential_access defense_evasion discovery execution persistence privilege_escalation spyware stealer upx
Behaviour
Detects videocard installed
Gathers system information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Disables one or more Microsoft Defender components
Unpacked files
SH256 hash:
29357c4073984b7507649fedbe13d90202a8eaa342c8b367e154f700d93d1f7c
MD5 hash:
d2f7dc5f4701e9041f8573992535f408
SHA1 hash:
df64764ff6fc31ef961bb0593edc1ef71fb74c36
Detections:
BlankGrabberLoader
SH256 hash:
052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
MD5 hash:
32da96115c9d783a0769312c0482a62d
SHA1 hash:
2ea840a5faa87a2fe8d7e5cb4367f2418077d66b
SH256 hash:
90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213
MD5 hash:
9c223575ae5b9544bc3d69ac6364f75e
SHA1 hash:
8a1cb5ee02c742e937febc57609ac312247ba386
Malware family:
BlankGrabber
Verdict:
Malicious
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
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PyInstaller
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:upx_largefile
Author:k3nr9
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
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.

Comments