MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb7e3e941caa92ea4f931356a638868f2e355c65c19cd3c49bd1c00b09a9907b. 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


RemcosRAT


Vendor detections: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb7e3e941caa92ea4f931356a638868f2e355c65c19cd3c49bd1c00b09a9907b
SHA3-384 hash: 83cbd5047dc199a28285a559617aaf4b91f127918084cc7843aa89f445492a1cec829ca5d51a3225e57db2074b53c949
SHA1 hash: bc1509003375c4f4a0311e08879848c135b7b2c8
MD5 hash: 3e39be7dc9401370614c4e62cc56bf9b
humanhash: triple-autumn-item-skylark
File name:Purchase Order Specifications 2024.img
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'507'328 bytes
First seen:2024-04-06 10:06:06 UTC
Last seen:2024-04-06 10:08:13 UTC
File type: img
MIME type:application/x-iso9660-image
ssdeep 24576:mg5HJmx9NoiP7+J7v8Dlco1AtasmkDu13xXD7:fJmx/7zYv8BJ4a1kq1R7
TLSH T10665234423A8CB57D8BD47F859109421537BBF9B27E2E14C7D8B41CF1B71B448A32A5B
TrID 47.7% (.ISO/UDF) UDF disc image (2114500/1/6)
46.2% (.NULL) null bytes (2048000/1)
5.7% (.HTP) HomeLab/BraiLab Tape image (256000/1)
0.1% (.ATN) Photoshop Action (5007/6/1)
0.0% (.ISO) ISO 9660 CD image (2545/36/1)
Reporter cocaman
Tags:img RemcosRAT


Avatar
cocaman
Malicious email (T1566.001)
From: "=?utf-8?q?=22Bursa_Y=C3=BCksek_Ihtisas_EA=22_=3Ckaia=40minhvocong=2Ecom?=
=?utf-8?q?=3E?=" (likely spoofed)
Received: "from hunch.minhvocong.com (hunch.minhvocong.com [102.211.56.81]) "
Date: "Fri, 05 Apr 2024 04:39:48 -0700"
Subject: "NEW PURCHASE ORDER REQUEST/SPECIFICATION"
Attachment: "Purchase Order Specifications 2024.img"

Intelligence

File Origin
# of uploads :
3
# of downloads :
88
Origin country :
CH CH
File Archive Information

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

File name:PURCHASE.BAT
File size:912'384 bytes
SHA256 hash: f486a970c3228b346008eb169500d373560ea047084818b77357ba68bfa960af
MD5 hash: 365611c6c550f6b4d41e017b7f658975
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
context-iso masquerade packed
Link:
https://www.filescan.io/uploads/66111ec96a2a018f46d51b09/reports/34eee9d9-81c3-4ac7-9585-b0b2f51eda6b/overview
Verdict:
Malicious
Labled as:
MSIL_Kryptik.KUK.gen
Link:
https://www.hybrid-analysis.com/sample/fb7e3e941caa92ea4f931356a638868f2e355c65c19cd3c49bd1c00b09a9907b
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb7e3e941caa92ea4f931356a638868f2e355c65c19cd3c49bd1c00b09a9907b/
Threat name:
ByteCode-MSIL.Trojan.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2024-04-05 10:46:53 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7n7d5fa4vkjout4tcnlkmoegr4xdkxdfygonhre32haawcnjsb5q._file
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/fb7e3e941caa92ea4f931356a638868f2e355c65c19cd3c49bd1c00b09a9907b

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

RemcosRAT

img fb7e3e941caa92ea4f931356a638868f2e355c65c19cd3c49bd1c00b09a9907b

(this sample)

RemcosRAT

Executable exe f486a970c3228b346008eb169500d373560ea047084818b77357ba68bfa960af

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 f486a970c3228b346008eb169500d373560ea047084818b77357ba68bfa960af
  
Dropping
RemcosRAT

Comments