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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ad4f317592fa8c049fb35cea9b057beb6dff45012810cc02cd0967cecbcc5df. 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: 5


Maldoc score: 3


Intelligence 5 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ad4f317592fa8c049fb35cea9b057beb6dff45012810cc02cd0967cecbcc5df
SHA3-384 hash: 623575a33f19729291b699427c1a6ef3742121f1fbaa1ec7e5980e114457894381462d2cc43fc7a08fa5f8f6a0ed6042
SHA1 hash: 8d846c934c3a424201c37c3a2cd3e5dfae88c0a8
MD5 hash: fd677b62ee20fe7313d3ba6fea65ec5a
humanhash: glucose-river-montana-helium
File name:461181.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:36'352 bytes
First seen:2021-02-17 07:34:35 UTC
Last seen:2021-02-17 07:35:02 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:KdvxHlcaQPy0iWYOcG4BDhnxD7oOE0ek3hOdsylKlgryzc4bNhZFGzE+cL2knAJS:KdvxHlcaQPy0iWYOcG4BDhnxD7oOEdk7
TLSH 63F265A2EFA79D75EE0483B948F74A016712EC859E7B474722D8B3092EF5E906C42D07
Reporter JoulK
Tags:xls ZLoader

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 3
Application name is Microsoft Excel
Office document is in OLE format
OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
326262 bytesWorkbook
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecAuto_OpenRuns when the Excel Workbook is opened
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/117505/
Detection(s):
TwinWave.EvilDoc.ZloaderUnicodeRoadToNoWhere.20200720.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ZloaderLiveForver.20210216.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ZloaderGasPanic.20210216.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
Malicious
File Type:
Legacy Office File
Link:
https://app.docguard.net/7ad4f317592fa8c049fb35cea9b057beb6dff45012810cc02cd0967cecbcc5df/results/dashboard
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/609891
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7ad4f317592fa8c049fb35cea9b057beb6dff45012810cc02cd0967cecbcc5df/
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/210217-s6xqd8s3zn/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/7ad4f317592fa8c049fb35cea9b057beb6dff45012810cc02cd0967cecbcc5df

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria
Rule name:ZloaderXLSBehavior
Create hunting rule

File information

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

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/117505/

Comments