MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f987030ee59d137f1a419e8bd0823571cd659e2449d0a939d4f711bb06fe0d2. 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 20 File information Comments 1

SHA256 hash: 1f987030ee59d137f1a419e8bd0823571cd659e2449d0a939d4f711bb06fe0d2
SHA3-384 hash: a91e43551a3f75969de2540816e2f5d4f62ddd1e13009f9e696d3138da69457316f998c8099cb0ba2cb6fd6200c41edf
SHA1 hash: 1ccc6d74268bd7131aa99fc0d523365ba83fbce2
MD5 hash: bf552178396e2c988549aed62e1e3221
humanhash: music-ink-delaware-golf
File name:bf552178396e2c988549aed62e1e3221
Download: download sample
Signature BlankGrabber
File size:7'677'919 bytes
First seen:2023-11-25 01:22:49 UTC
Last seen:2023-11-25 03:16:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1af6c885af093afc55142c2f1761dbe8 (49 x PythonStealer, 40 x BlankGrabber, 14 x LunaLogger)
ssdeep 196608:uMYS648OshoKMuIkhVastRL5Di3u41D7dJi:1YSZ8OshouIkPftRL54VRDi
TLSH T156763311A3A86CE9F981963EC5CAC622DB33395123B0D58B07A847B25F171AD4C3BF57
TrID 90.1% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
4.8% (.EXE) Win64 Executable (generic) (10523/12/4)
2.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
0.9% (.EXE) OS/2 Executable (generic) (2029/13)
0.9% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter zbetcheckin
Tags:64 BlankGrabber exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
353
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
kelihos
ID:
1
File name:
New Text Document.bin.zip
Verdict:
Malicious activity
Analysis date:
2023-11-25 12:08:37 UTC
Tags:
opendir loader kelihos trojan rat njrat bladabindi stealer stealc xworm netwire formbook xloader amadey botnet arechclient2 backdoor evasion systembc proxy lumma redline lokibot socks5systemz metasploit gcleaner spyware agenttesla asyncrat raccoon recordbreaker

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
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
Sending an HTTP GET request
Creating a file
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control expand greyware lolbin overlay packed
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.
Result
Threat name:
Blank Grabber
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
DLL side loading technique detected
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Modifies Windows Defender protection settings
Multi AV Scanner detection for submitted file
Removes signatures from Windows Defender
Yara detected Blank Grabber
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1347641 Sample: Dwy6Q2pobU.exe Startdate: 25/11/2023 Architecture: WINDOWS Score: 92 53 ip-api.com 2->53 55 blank-haclp.in 2->55 65 Found malware configuration 2->65 67 Antivirus detection for URL or domain 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 Yara detected Blank Grabber 2->71 9 Dwy6Q2pobU.exe 22 2->9         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\...\rarreg.key, ASCII 9->45 dropped 47 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 9->47 dropped 49 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 9->49 dropped 51 16 other files (none is malicious) 9->51 dropped 75 Modifies Windows Defender protection settings 9->75 77 Adds a directory exclusion to Windows Defender 9->77 79 Removes signatures from Windows Defender 9->79 13 Dwy6Q2pobU.exe 9->13         started        signatures6 process7 dnsIp8 57 ip-api.com 208.95.112.1, 49734, 80 TUT-ASUS United States 13->57 81 Found many strings related to Crypto-Wallets (likely being stolen) 13->81 83 Modifies Windows Defender protection settings 13->83 85 Adds a directory exclusion to Windows Defender 13->85 87 Removes signatures from Windows Defender 13->87 17 cmd.exe 1 13->17         started        20 cmd.exe 1 13->20         started        22 cmd.exe 1 13->22         started        24 cmd.exe 1 13->24         started        signatures9 process10 signatures11 59 Modifies Windows Defender protection settings 17->59 61 Adds a directory exclusion to Windows Defender 17->61 63 Removes signatures from Windows Defender 17->63 26 powershell.exe 23 17->26         started        28 conhost.exe 17->28         started        30 powershell.exe 23 20->30         started        32 MpCmdRun.exe 2 20->32         started        34 conhost.exe 20->34         started        36 WMIC.exe 1 22->36         started        39 conhost.exe 22->39         started        41 conhost.exe 24->41         started        43 tasklist.exe 1 24->43         started        process12 signatures13 73 DLL side loading technique detected 36->73
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-11-20 12:28:01 UTC
File Type:
PE+ (Exe)
Extracted files:
375
AV detection:
18 of 37 (48.65%)
Threat level:
  2/5
Verdict:
unknown
Result
Malware family:
blankgrabber
Score:
  10/10
Tags:
family:blankgrabber upx
Behaviour
Enumerates processes with tasklist
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Loads dropped DLL
UPX packed file
Unpacked files
SH256 hash:
1f987030ee59d137f1a419e8bd0823571cd659e2449d0a939d4f711bb06fe0d2
MD5 hash:
bf552178396e2c988549aed62e1e3221
SHA1 hash:
1ccc6d74268bd7131aa99fc0d523365ba83fbce2
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:DebuggerCheck__API
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:INDICATOR_KB_CERT_00bfb15001bbf592d4962a7797ea736fa3
Author:ditekSHen
Description:Detects executables signed with stolen, revoked, fake or invalid certificate
Reference:https://capesandbox.com/analysis/444899/
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_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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: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.

Web download

BlankGrabber

Executable exe 1f987030ee59d137f1a419e8bd0823571cd659e2449d0a939d4f711bb06fe0d2

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-11-25 01:22:50 UTC

url : hxxp://kreedcssg3.temp.swtest.ru/vsc.exe