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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a84bdee113e0d2caf0c53c2ca0cd39202274562f09cd7c2d4773a89551356daf. 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


ZLoader


Vendor detections: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a84bdee113e0d2caf0c53c2ca0cd39202274562f09cd7c2d4773a89551356daf
SHA3-384 hash: 5084c1d6a30e7ea810d34d5ebc65e8915e922b6c8a448b992b057a692ec37d65d70ec972d3bc36aacb8f26e2d83e90c7
SHA1 hash: dc259d1c24cdab38d70a302c741339eb2d3cdab0
MD5 hash: 4562e3b8ee4abf0d7edd913794b743cd
humanhash: earth-fruit-robert-pip
File name:ni_2498.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:150'016 bytes
First seen:2020-09-21 13:57:01 UTC
Last seen:2020-09-21 14:51:15 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 3072:Vk3hOdsylKlgxopeiBNhZFGzE+cL2kdAkPCA/vQPN1mchWls7fsBN34WlNTVxptu:Vk3hOdsylKlgxopeiBNhZF+E+W2kdAUW
TLSH 63E3DE85C69A8770C3D0CA359E1F9BE01619F96434858FF37BE07B64362F672DA0C266
Reporter cocaman
Tags:xls ZLoader


Avatar
cocaman
Malicious email (T1566.001)
From: "Michelle Martinez <trofimovichruslan@gmail.com>"
Received: "from mail-il1-f193.google.com (mail-il1-f193.google.com [209.85.166.193]) "
Date: "Mon, 21 Sep 2020 16:53:32 +0300"
Subject: "Given invoice notification"
Attachment: "ni_2498.xls"

Intelligence

File Origin
# of uploads :
3
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.Excel4PaperPlanes.20200705.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWherePartDuex.20200730.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process with a hidden window
Deleting a recently created file
Possible injection to a system process
Launching a process by exploiting the app vulnerability
Creating a process from a recently created file
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/471288
Signature
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Found Excel 4.0 Macro with suspicious formulas
Injects code into the Windows Explorer (explorer.exe)
Microsoft Office drops suspicious files
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Potential malicious VBS script found (has network functionality)
Potential malicious VBS script found (suspicious strings)
Sigma detected: Office product drops script at suspicious location
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a84bdee113e0d2caf0c53c2ca0cd39202274562f09cd7c2d4773a89551356daf/
Threat name:
Document-Excel.Trojan.ZLoader
Create hunting rule
Status:
Suspicious
First seen:
2020-09-21 13:58:06 UTC
File Type:
Document
Extracted files:
3
AV detection:
5 of 48 (10.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbf55yit4djmv4gfhqwkbtjzearhivrpbhgxylkhooujkujvnwxq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200921-bsd58fy3xa/
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
ZLoader
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a84bdee113e0d2caf0c53c2ca0cd39202274562f09cd7c2d4773a89551356daf

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

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

Malspam

ZLoader

Excel file xls a84bdee113e0d2caf0c53c2ca0cd39202274562f09cd7c2d4773a89551356daf

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments