MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fae6735a44f901db80b039a624ec9658ef680e3606d14867b94b56bc1b0a9f6. 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: 12


Intelligence 12 IOCs YARA 15 File information Comments
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SHA256 hash: 3fae6735a44f901db80b039a624ec9658ef680e3606d14867b94b56bc1b0a9f6
SHA3-384 hash: edb8287bfa3ccd57995f629d9e4f3c3feef489e67653b842b409a87e88276bb00e98ba7d233eaee8b6638177f54c944a
SHA1 hash: a6f92501ac4a4a6f08c8c15b8e1a8e3c4b541158
MD5 hash: 49daa23846a2e5b5727ec59f9bc525c6
humanhash: orange-oxygen-mars-carbon
File name:spoofer.exe
Download: download sample
Signature BlankGrabber
Create hunting rule
File size:7'239'168 bytes
First seen:2023-08-07 12:34:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 98304:W0xxO9zR/kU28FXVfCM3p7UwXrlChJXDOTPXy1WrD9jcGjZ2zYQ2MCDaJVyb35tr:x88U/FXVbB3Xr6JzUi0mGjy2Mzybj
Threatray 3 similar samples on MalwareBazaar
TLSH T11D7633E6D6D39BA4C053CE3683C61DC09CA4A32F45FC1A4A1195B3F52A0E9DCC977B62
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Meoow
Tags:BlankGrabber exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
293
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
spoofer.exe
Verdict:
Malicious activity
Analysis date:
2023-08-07 12:37:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/383f1356-8cdf-436d-ae85-46292e85b1ab

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/441070/
Detection(s):
SecuriteInfo.com.Trojan.MulDropNET.65.5899.22903.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Running batch commands
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Launching a process
Reading critical registry keys
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64d0e4f84154db2bd5200945/reports/fae10ec6-c829-413e-aada-1de92897bbfd/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/3fae6735a44f901db80b039a624ec9658ef680e3606d14867b94b56bc1b0a9f6
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:
ModernLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4525560d-581b-40c4-8272-630326c23810
Result
Threat name:
Blank Grabber
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1287093
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Bypasses PowerShell execution policy
DLL side loading technique detected
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
May check the online IP address of the machine
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Very long command line found
Writes or reads registry keys via WMI
Yara detected Blank Grabber
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1287093 Sample: spoofer.exe Startdate: 07/08/2023 Architecture: WINDOWS Score: 100 87 Found malware configuration 2->87 89 Antivirus / Scanner detection for submitted sample 2->89 91 Sigma detected: Capture Wi-Fi password 2->91 93 5 other signatures 2->93 11 spoofer.exe 3 2->11         started        process3 file4 67 C:\Users\user\AppData\Local\Temp\Built.exe, PE32+ 11->67 dropped 14 Built.exe 22 11->14         started        process5 file6 69 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 14->69 dropped 71 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 14->71 dropped 73 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 14->73 dropped 75 16 other malicious files 14->75 dropped 115 Multi AV Scanner detection for dropped file 14->115 117 Very long command line found 14->117 119 May check the online IP address of the machine 14->119 121 3 other signatures 14->121 18 Built.exe 1 64 14->18         started        signatures7 process8 dnsIp9 77 ip-api.com 208.95.112.1, 49697, 80 TUT-ASUS United States 18->77 79 discord.com 162.159.138.232, 443, 49698 CLOUDFLARENETUS United States 18->79 57 C:\Users\user\AppData\...\KLIZUSIQEN.pdf, ASCII 18->57 dropped 59 C:\Users\user\AppData\...WZCVGNOWT.xlsx, ASCII 18->59 dropped 61 C:\Users\user\AppData\...WZCVGNOWT.jpg, ASCII 18->61 dropped 95 Very long command line found 18->95 97 Tries to harvest and steal browser information (history, passwords, etc) 18->97 99 Adds a directory exclusion to Windows Defender 18->99 101 3 other signatures 18->101 23 cmd.exe 1 18->23         started        26 cmd.exe 18->26         started        28 cmd.exe 18->28         started        30 22 other processes 18->30 file10 signatures11 process12 signatures13 103 Very long command line found 23->103 105 Encrypted powershell cmdline option found 23->105 107 Bypasses PowerShell execution policy 23->107 113 2 other signatures 23->113 32 conhost.exe 23->32         started        35 powershell.exe 19 23->35         started        37 powershell.exe 26->37         started        40 conhost.exe 26->40         started        42 getmac.exe 28->42         started        44 conhost.exe 28->44         started        109 Tries to harvest and steal WLAN passwords 30->109 111 Removes signatures from Windows Defender 30->111 46 WMIC.exe 30->46         started        48 systeminfo.exe 30->48         started        50 43 other processes 30->50 process14 file15 65 C:\Users\user\AppData\...\wcqwjr2h.cmdline, Unicode 37->65 dropped 52 csc.exe 37->52         started        81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 42->81 83 Writes or reads registry keys via WMI 42->83 85 DLL side loading technique detected 46->85 signatures16 process17 file18 63 C:\Users\user\AppData\Local\...\wcqwjr2h.dll, PE32 52->63 dropped 55 cvtres.exe 52->55         started        process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3fae6735a44f901db80b039a624ec9658ef680e3606d14867b94b56bc1b0a9f6/
Threat name:
ByteCode-MSIL.Trojan.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2023-08-03 22:47:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6xgonnej6ib3oalaongetwjmwhpnahdmbwrjbt3ss2wxqnqvh3a._file
Verdict:
malicious
Similar samples:
4636de70d2530da3e3b465768fb3b608af889229e175f23c725f7ee2438b07ba
BlankGrabber
d60d262c977449b351a9f74c888b3645fd01738132701ae9e9fdcc3806c9b825
BlankGrabber
fbeedd4502c93c093a8aaaa4a5e0609713cbecd10d15291741b3fa6e5f174581
BlankGrabber
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer upx
Link:
https://tria.ge/reports/230807-psby6age6x/
Behaviour
Detects videocard installed
Enumerates processes with tasklist
Gathers system information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Unpacked files
SH256 hash:
3fae6735a44f901db80b039a624ec9658ef680e3606d14867b94b56bc1b0a9f6
MD5 hash:
49daa23846a2e5b5727ec59f9bc525c6
SHA1 hash:
a6f92501ac4a4a6f08c8c15b8e1a8e3c4b541158
Link:
https://www.unpac.me/results/9bc7873d-57b1-40f3-a505-19ee12b69374/
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/3fae6735a44f901db80b039a624ec9658ef680e3606d14867b94b56bc1b0a9f6

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: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:pe_imphash
Create hunting rule
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/441070/

Comments