MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e
SHA3-384 hash: 32af8a3f003dd86d61f0fc8290bb90f04de2589c0335dc62e0d4b511fbb82d8c30d5cf02a78259f7eeb3a4e3d48f2720
SHA1 hash: 1798cb554fb40bfe6dce86759987e1a3b489f73a
MD5 hash: 9b86cd448940a50ab43472676dacb5c0
humanhash: item-spring-ohio-one
File name:Document_g55_79a057639-91h49176a6220-1759n0.js
Download: download sample
Signature Latrodectus
Create hunting rule
File size:546'389 bytes
First seen:2024-04-29 18:18:08 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:VTgoYSJ9u2EKHnzirPK86zjXKnjXMjHtIfC3YsS61l3wioIfOEu6TcX3soAEiO8u:xgUJsriGrK8ODNp33ZdBfG3mEsmd
TLSH T140C45B60EF4502661E82679FDC5215D2FD2CD25183022228E99E83AD1F875ECD37DBAF
Reporter proxylife
Tags:js Latrodectus

Intelligence

File Origin
# of uploads :
1
# of downloads :
356
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
evasive lolbin remote shell32
Link:
https://www.filescan.io/uploads/662fe4983af0f87f1f012de4/reports/77fd2227-0c74-49b2-a9f1-3194f02b1f59/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e
Result
Threat name:
Latrodectus
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1433594
Signature
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
JavaScript file contains Antivirus product strings
PE file contains section with special chars
Sample uses string decryption to hide its real strings
Sigma detected: WScript or CScript Dropper
Yara detected Latrodectus
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1433594 Sample: Document_g55_79a057639-91h4... Startdate: 29/04/2024 Architecture: WINDOWS Score: 80 43 jarinamaers.shop 2->43 49 Found malware configuration 2->49 51 Yara detected Latrodectus 2->51 53 Sample uses string decryption to hide its real strings 2->53 55 4 other signatures 2->55 10 msiexec.exe 15 39 2->10         started        15 wscript.exe 1 2 2->15         started        17 rundll32.exe 2->17         started        signatures3 process4 dnsIp5 45 185.219.220.149, 49713, 80 SERVINGADE Sweden 10->45 35 C:\Windows\Installer\MSI6793.tmp, PE32 10->35 dropped 37 C:\Windows\Installer\MSI65DB.tmp, PE32 10->37 dropped 39 C:\Windows\Installer\MSI658C.tmp, PE32 10->39 dropped 41 3 other files (none is malicious) 10->41 dropped 57 Drops executables to the windows directory (C:\Windows) and starts them 10->57 19 MSI6793.tmp 1 10->19         started        21 msiexec.exe 10->21         started        file6 signatures7 process8 process9 23 rundll32.exe 19->23         started        process10 25 rundll32.exe 2 23->25         started        file11 31 C:\Users\user\AppData\...\Update_ba26da10.dll, PE32+ 25->31 dropped 33 :wtfbbq (copy), PE32+ 25->33 dropped 28 rundll32.exe 12 25->28         started        process12 dnsIp13 47 jarinamaers.shop 104.21.46.75, 443, 49726 CLOUDFLARENETUS United States 28->47
Score:
48%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e/
Threat name:
Win32.Trojan.Latrodectus
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 18:19:09 UTC
File Type:
Text (Batch)
AV detection:
6 of 23 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xojahsqtaxshulwbiq5gidx42xrmpuisemmemolsszzvphqssz7a._file
Result
Malware family:
latrodectus
Create hunting rule
Score:
  10/10
Tags:
family:latrodectus loader
Link:
https://tria.ge/reports/240429-wx6gwshe71/
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://startmast.shop/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/bb9203ca1305e47a2ec1443a640efcd5e2c7d11223184639729673579e12967e

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:Latrodectus
Create hunting rule
Author:enzok
Description:Latrodectus Payload
Rule name:unknown_dropper
Create hunting rule
Author:#evilcel3ri
Description:Detects an unknown dropper
Rule name:win_unidentified_111_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.unidentified_111.

File information

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

Comments