MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c71ef453581ed62652dd7ffc6fc276ad50c50a9c67d5ad2dee1e538ec85a40e. 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


AsyncRAT


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c71ef453581ed62652dd7ffc6fc276ad50c50a9c67d5ad2dee1e538ec85a40e
SHA3-384 hash: b7851dbe742ec5eb92cb399004eb605e637e350c04a32a73b18ce9a3bb3f9f49e6f07470443087f46185c5dfc84487af
SHA1 hash: f0f830908092b12525656ad2c19e3cec4cc61879
MD5 hash: 42f28953b76411abd2581d6c0c3a7a9d
humanhash: yankee-blossom-beer-carolina
File name:Invoice647848.rar
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:380 bytes
First seen:2025-04-07 15:01:29 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 6:udEOrnlYM/V/mAHEaQ2tFJQiGVEW85mVaBqzm4jLQ04/DgVItnHvR4125PQY+v96:oEOrn6MFrHmEPQiGX85mwYzzjs0mEitz
TLSH T14DE0F14B08A9AFD749814ABD392F91C24900099DBC7BCC0885DF114AC0A5CC4B4CB688
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:INVOICE rar


Avatar
cocaman
Malicious email (T1566.001)
From: "DocuSign<sales@danat-travels.com>" (likely spoofed)
Received: "from danat-travels.com (unknown [164.70.86.119]) "
Date: "08 Apr 2025 00:00:15 +0900"
Subject: "Complete with Docu-Sign: info.pdf"
Attachment: "Invoice647848.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
51
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Invoice647848.js
File size:1'528 bytes
SHA256 hash: 923b51a8e59ac5dc4db026988ec3f205f21cbb6590cd14b0e68b9cb0d8114ad7
MD5 hash: f4be71beaf208bc8dc797feee93bd768
MIME type:text/plain
Signature AsyncRAT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f3ea28e011fe619fac06bf
Tags:
obfuscate cryxos xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/67f3e8eeb070fb3f945ff675/reports/4ac41319-68cc-4d3b-a322-ef16902ffdeb/overview
Verdict:
Suspicious
Labled as:
HEUR/Suspar.Generic
Link:
https://www.hybrid-analysis.com/sample/1c71ef453581ed62652dd7ffc6fc276ad50c50a9c67d5ad2dee1e538ec85a40e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c71ef453581ed62652dd7ffc6fc276ad50c50a9c67d5ad2dee1e538ec85a40e/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-04-07 11:18:47 UTC
File Type:
Binary (Archive)
Extracted files:
1
AV detection:
8 of 36 (22.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dry66rjvqhwwezjn2774n7bhnlkqyufjyz6vvuw64hstr3efuqha._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery execution persistence rat
Link:
https://tria.ge/reports/250407-szvxdswrx2/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Blocklisted process makes network request
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
marc5858asyn.duckdns.org:5858
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/1c71ef453581ed62652dd7ffc6fc276ad50c50a9c67d5ad2dee1e538ec85a40e

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

AsyncRAT

rar 1c71ef453581ed62652dd7ffc6fc276ad50c50a9c67d5ad2dee1e538ec85a40e

(this sample)

AsyncRAT

Java Script (JS) js 923b51a8e59ac5dc4db026988ec3f205f21cbb6590cd14b0e68b9cb0d8114ad7

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 923b51a8e59ac5dc4db026988ec3f205f21cbb6590cd14b0e68b9cb0d8114ad7
  
Dropping
MD5 f4be71beaf208bc8dc797feee93bd768

Comments