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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f2adacaf4ecb00ed24dd9dfe355307d0d6e786e40c945ad4c6d1ae3a4835d2a. 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


Maldoc score: 5


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

SHA256 hash: 5f2adacaf4ecb00ed24dd9dfe355307d0d6e786e40c945ad4c6d1ae3a4835d2a
SHA3-384 hash: ecf3b6f32b4ebbc201b883a5a6abaaaea697a05b9515f437d73067f15b6ee804cd7aab5fcd5cb67143729a23bfc42944
SHA1 hash: 20ad9f47616a8272dece2ec1039a88c09412c97c
MD5 hash: 47e22049644647ee854cedfe077156e7
humanhash: seventeen-illinois-berlin-mexico
File name:Doc_3744.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:64'000 bytes
First seen:2021-02-19 22:46:09 UTC
Last seen:2021-02-20 00:55:42 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:uIk3hbdlylKsgqopeJBWhZFGkE+cL2NdAue0WeI6+4PdpaewnVoHySYJ8YjbNaHQ:uIk3hbdlylKsgqopeJBWhZFGkE+cL2NS
TLSH 145331A6DF668C75D6548F714CB606A14763EC208B360F4BA360F328EBB3FA15F42546
Reporter wepIV
Tags: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: 5
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
353975 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)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
2
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ZL.xls
Verdict:
No threats detected
Analysis date:
2021-02-20 09:54:21 UTC
Tags:
macros macros40
Link:
https://app.any.run/tasks/210a576a-0eef-4563-a582-6be003cc5f79

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/118067/
Detection(s):
TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL
Create hunting rule

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

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

TwinWave.EvilDoc.ZloaderHeartsOnFire.20210218.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/5f2adacaf4ecb00ed24dd9dfe355307d0d6e786e40c945ad4c6d1ae3a4835d2a/results/dashboard
Result
Threat name:
Unknown
Detection:
suspicious
Classification:
evad
Score:
22 / 100
Link:
https://www.joesandbox.com/analysis/613133
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f2adacaf4ecb00ed24dd9dfe355307d0d6e786e40c945ad4c6d1ae3a4835d2a/
Threat name:
Document-Word.Downloader.EncDoc
Create hunting rule
Status:
Malicious
First seen:
2021-02-19 22:47:05 UTC
AV detection:
11 of 47 (23.40%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l4vnvsxu5sya5usn3hp6gvjqpugw46doideullkmnunohjedluva._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/210219-zm6vj9q6fe/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_ZLoader_xls_20201029
Create hunting rule
Author:abuse.ch
Description:Detects ZLoader XLS
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/118067/

Comments