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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a. 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


STRRAT


Vendor detections: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a
SHA3-384 hash: 1041b312073327785844669fa7b31d42238f231ac97bac96b7ac991047ade58521802b2a69f8c56c52b6c75a048d996e
SHA1 hash: e5b47c5f358af996531e9cf94e4578f5ed916e76
MD5 hash: f932b7a291840c0258415c4ec624b5b8
humanhash: angel-butter-stairway-magazine
File name:doc 00499892998.js
Download: download sample
Signature STRRAT
Create hunting rule
File size:1'313'672 bytes
First seen:2023-09-19 19:05:42 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:MQqiiTWY4S2ptEeyYRTX4Vo+AGKtQxHJKq8uPIZxdG+it7aUiN0l/NqM138zMZn5:Xs
TLSH T14A55CAC225343A0AD3B3EA24C711D622AC35F9232D9722D27E847D5EBE768545DBDF20
Reporter abuse_ch
Tags:js STRRAT


Avatar
abuse_ch
STRRAT C2:
37.139.129.115:1788

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
YARA.obfuscated_eval.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated obfuscated
Link:
https://www.filescan.io/uploads/6509f1292d5fc006cad6efb0/reports/20e99c26-b7f7-492a-88ba-6fda4de38a6e/overview
Verdict:
Malicious
Labled as:
Trojan.Script.Heuristic
Link:
https://www.hybrid-analysis.com/sample/b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a
Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1311064
Signature
Antivirus detection for URL or domain
Found malware configuration
JScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected STRRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2023-09-19 12:59:45 UTC
File Type:
Text (JavaScript)
AV detection:
3 of 38 (7.89%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbaw24pfus6rzrefkiksxo6oiuaatsqeu2erqi66gbt26v6bkwna._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230919-xr3z9abd9x/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks computer location settings
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/b8416d71e5a4bd1cc48552152bbbce450009ca04a6891823de3067af57c1559a

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:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:SUSP_Base64_Encoded_Hex_Encoded_Code
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects hex encoded code that has been base64 encoded
Reference:https://www.nextron-systems.com/2019/04/29/spotlight-threat-hunting-yara-rule-example/
Rule name:SUSP_Base64_Encoded_Hex_Encoded_Code_RID3420
Create hunting rule
Author:Florian Roth
Description:Detects hex encoded code that has been base64 encoded
Reference:Internal Research

File information

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

Comments