MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 156c0afc01a5e346b95ebdb60cea9b7046ad7a61199cd63d6ad0f4ae32a576ac. 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


Latrodectus


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 156c0afc01a5e346b95ebdb60cea9b7046ad7a61199cd63d6ad0f4ae32a576ac
SHA3-384 hash: 90371f0ae9f4d5ec79324856f27304da134f17f7fe10c468cc596fa5275bc00ba89c55dd2ca259237a6700ee6e57dbaf
SHA1 hash: cf27b8f44467cd4ab250b74caa039340ecd97a94
MD5 hash: 3f4ddf670c98e5b0656415286e42f730
humanhash: missouri-triple-north-pasta
File name:Document_a19_79b555791-28h97348k5477-3219g9.js
Download: download sample
Signature Latrodectus
Create hunting rule
File size:479'411 bytes
First seen:2024-04-25 20:41:37 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:rZUXLSlCpRGkwMnCzan+TMYLtA/huhhs7nkKMG4p:dUXLSIpRbwMn0VTMYLtA/huhK7TrC
TLSH T1D3A46C60EE0501671E83679F9C5215D2FD2CD21193022228E99E93AD1F875ECD3BDBAF
Reporter pr0xylife
Tags:js Latrodectus

Intelligence

File Origin
# of uploads :
1
# of downloads :
370
Origin country :
CA CA
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
evasive lolbin remote shell32 stealer
Link:
https://www.filescan.io/uploads/662ac01b51edb67852f924c9/reports/577eed7b-780c-4fd1-9af8-e53ae97f4414/overview
Verdict:
Suspicious
Labled as:
JS/JS/Downldr.WQ
Link:
https://www.hybrid-analysis.com/sample/156c0afc01a5e346b95ebdb60cea9b7046ad7a61199cd63d6ad0f4ae32a576ac
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Latrodectus
Create hunting rule
Detection:
malicious
Classification:
evad.spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1431885
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to detect sleep reduction / modifications
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
JavaScript file contains Antivirus product strings
JScript performs obfuscated calls to suspicious functions
PE file contains section with special chars
Performs a network lookup / discovery via net view
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected Latrodectus
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1431885 Sample: Document_a19_79b555791-28h9... Startdate: 25/04/2024 Architecture: WINDOWS Score: 100 80 jarinamaers.shop 2->80 82 grizmotras.com 2->82 90 Found malware configuration 2->90 92 Yara detected Latrodectus 2->92 94 Sample has a suspicious name (potential lure to open the executable) 2->94 96 5 other signatures 2->96 13 msiexec.exe 15 39 2->13         started        18 wscript.exe 1 2 2->18         started        20 rundll32.exe 2->20         started        22 rundll32.exe 2->22         started        signatures3 process4 dnsIp5 88 45.95.11.217, 49706, 80 ULTRA-PACKETUS Italy 13->88 68 C:\Windows\Installer\MSI3B6A.tmp, PE32 13->68 dropped 70 C:\Windows\Installer\MSI3AAC.tmp, PE32 13->70 dropped 72 C:\Windows\Installer\MSI3A7C.tmp, PE32 13->72 dropped 74 3 other files (none is malicious) 13->74 dropped 106 Drops executables to the windows directory (C:\Windows) and starts them 13->106 24 MSI3B6A.tmp 1 13->24         started        26 msiexec.exe 13->26         started        108 JScript performs obfuscated calls to suspicious functions 18->108 file6 signatures7 process8 process9 28 rundll32.exe 24->28         started        process10 30 rundll32.exe 2 28->30         started        file11 76 C:\Users\user\AppData\...\Update_3b24da5a.dll, PE32+ 30->76 dropped 78 :wtfbbq (copy), PE32+ 30->78 dropped 110 Contains functionality to compare user and computer (likely to detect sandboxes) 30->110 112 Contains functionality to detect sleep reduction / modifications 30->112 34 rundll32.exe 13 30->34         started        signatures12 process13 dnsIp14 84 grizmotras.com 104.21.59.82, 443, 49721 CLOUDFLARENETUS United States 34->84 86 jarinamaers.shop 172.67.136.103, 443, 49717, 49718 CLOUDFLARENETUS United States 34->86 98 System process connects to network (likely due to code injection or exploit) 34->98 38 cmd.exe 1 34->38         started        41 cmd.exe 1 34->41         started        43 cmd.exe 1 34->43         started        45 2 other processes 34->45 signatures15 process16 signatures17 102 Uses ipconfig to lookup or modify the Windows network settings 38->102 104 Performs a network lookup / discovery via net view 38->104 47 conhost.exe 38->47         started        49 ipconfig.exe 1 38->49         started        51 systeminfo.exe 2 1 41->51         started        54 conhost.exe 41->54         started        56 conhost.exe 43->56         started        58 net.exe 1 43->58         started        60 conhost.exe 45->60         started        62 conhost.exe 45->62         started        64 2 other processes 45->64 process18 signatures19 100 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 51->100 66 WmiPrvSE.exe 51->66         started        process20
Score:
45%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/156c0afc01a5e346b95ebdb60cea9b7046ad7a61199cd63d6ad0f4ae32a576ac
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/156c0afc01a5e346b95ebdb60cea9b7046ad7a61199cd63d6ad0f4ae32a576ac/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cvwav7abuxrunok6xw3az2u3obdk26tbdgonmplk2d2k4mvfo2wa._file
Result
Malware family:
latrodectus
Create hunting rule
Score:
  10/10
Tags:
family:latrodectus loader
Link:
https://tria.ge/reports/240425-zgzwysed8x/
Behaviour
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in Windows directory
Enumerates connected drives
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Detect larodectus Loader variant 2
Latrodectus loader
Malware Config
C2 Extraction:
https://jarinamaers.shop/live/
https://wrankaget.site/live/
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/156c0afc01a5e346b95ebdb60cea9b7046ad7a61199cd63d6ad0f4ae32a576ac

File information

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

Comments