MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a
SHA3-384 hash: 4847c8dc61e7bef57f2f09799f877d7e4e1185aacaca4d15da19d5dc5e1f61f65df6fbfacf57ff26779b20f6bd2304d9
SHA1 hash: 0582a0dd69d6027fb94765254ed91ad736ade305
MD5 hash: 37605a3eb80f3366e56938031a9ac917
humanhash: magnesium-echo-thirteen-pasta
File name:neo.msi
Download: download sample
Signature Latrodectus
Create hunting rule
File size:1'620'480 bytes
First seen:2024-04-26 21:13:01 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 49152:JZH3YuW8zBQSc0ZnSKmZKumZr7AQB7aLTB:7Y90Zn0K/AQwLF
TLSH T16175D0227386C537C96E01303A19D66B5179FDB74B3140DBA3C8292E9EB45C1A739FA3
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter pr0xylife
Tags:Latrodectus msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
89%
Tags:
anti-debug CAB crypto fingerprint installer lolbin packed remote shell32
Link:
https://www.filescan.io/uploads/662c18e147bfd8641eb69a8f/reports/fd29c252-636b-45d3-9375-e192596b6256/overview
Verdict:
Suspicious
Link:
https://www.hybrid-analysis.com/sample/4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a
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:
Latrodectus
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spre.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432285
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
Contains functionality to inject threads in other processes
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Multi AV Scanner detection for dropped file
Rundll32 performs DNS lookup (likely malicious behavior)
Sample uses string decryption to hide its real strings
System process connects to network (likely due to code injection or exploit)
Yara detected Latrodectus
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1432285 Sample: neo.msi Startdate: 26/04/2024 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Yara detected Latrodectus 2->52 54 2 other signatures 2->54 6 rundll32.exe 2 2->6         started        10 msiexec.exe 22 31 2->10         started        12 msiexec.exe 9 2->12         started        14 taskeng.exe 1 2->14         started        process3 file4 27 C:\Users\user\AppData\...\Update_6a61d649.dll, PE32+ 6->27 dropped 29 :wtfbbq (copy), PE32+ 6->29 dropped 56 System process connects to network (likely due to code injection or exploit) 6->56 58 Contains functionality to inject threads in other processes 6->58 60 Rundll32 performs DNS lookup (likely malicious behavior) 6->60 64 2 other signatures 6->64 16 rundll32.exe 9 6->16         started        31 C:\Windows\Installer\MSI1B42.tmp, PE32 10->31 dropped 33 C:\Windows\Installer\MSI8029.tmp, PE32 10->33 dropped 35 C:\Users\user\AppData\Local\...\360total.dll, PE32+ 10->35 dropped 62 Drops executables to the windows directory (C:\Windows) and starts them 10->62 19 MSI1B42.tmp 10->19         started        21 msiexec.exe 10->21         started        23 msiexec.exe 10->23         started        37 C:\Users\user\AppData\Local\...\MSIADBD.tmp, PE32 12->37 dropped 39 C:\Users\user\AppData\Local\...\MSI82BC.tmp, PE32 12->39 dropped 41 C:\Users\user\AppData\Local\...\MSI829C.tmp, PE32 12->41 dropped 43 2 other files (none is malicious) 12->43 dropped 25 rundll32.exe 14->25         started        signatures5 process6 dnsIp7 45 jarinamaers.shop 16->45 signatures8 66 System process connects to network (likely due to code injection or exploit) 45->66 68 Rundll32 performs DNS lookup (likely malicious behavior) 45->68
Score:
84%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a/
Threat name:
Win64.Trojan.Latrodectus
Create hunting rule
Status:
Malicious
First seen:
2024-04-26 20:30:42 UTC
File Type:
Binary (Archive)
Extracted files:
38
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jz5mbpnvc3uyhm6kw73zqugycawsx5arpozuhnunbwttpagm5mna._file
Verdict:
malicious
Result
Malware family:
latrodectus
Create hunting rule
Score:
  10/10
Tags:
family:latrodectus loader
Link:
https://tria.ge/reports/240426-z2qtsacc85/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Enumerates connected drives
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:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_OLE_file_magic_number
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:suspicious_msi_file
Create hunting rule
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR

File information

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

Web download

Latrodectus

Microsoft Software Installer (MSI) msi 4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2828309/
  
Delivery method
Distributed via web download

Comments