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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ae4f13a556fed4b57a064008d93bc15803f1b3e47537e95a014c3d31c2ccebe. 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: 7


Intelligence 7 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ae4f13a556fed4b57a064008d93bc15803f1b3e47537e95a014c3d31c2ccebe
SHA3-384 hash: 1eb17edcc667f5c4f1b2e3cd421bfe326219396416ae712e1dd9079c2be74c2cd32fbf73b991af254d9633516d4a2ff0
SHA1 hash: a53215216e11c241a8fd925aa7282efc9e41444f
MD5 hash: e5103d329ec2923a5750dba94f223385
humanhash: michigan-ceiling-ink-two
File name:SecuriteInfo.com.Heur.2169.29668
Download: download sample
Signature ZLoader
Create hunting rule
File size:280'064 bytes
First seen:2021-03-12 18:35:55 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:CcPiTQAVW/89BQnmlcGvgZ7r3J8b5IhJK+nnu0:wb0
TLSH 0F54B592A112B1A4E1543F36E82E457C42E6EEA97F58F08B3C08B3B73F772D12E41559
Reporter SecuriteInfoCom
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
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
3268180 bytesBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Heur.2169.29668
Verdict:
Malicious activity
Analysis date:
2021-03-12 18:37:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9ec46fa2-cfad-4bda-a196-56d57878a8c8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/123990/
Detection(s):
SecuriteInfo.com.Heur.2169.29668.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.Excel4MagicPalmersArcade.20201202.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.Excel4MagicPalmersArcade.20201207.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.QakySoWacky.M2.20210218.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.QakySoWacky.M3.20210301.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
Legacy Office File
Link:
https://app.docguard.net/3ae4f13a556fed4b57a064008d93bc15803f1b3e47537e95a014c3d31c2ccebe/results/dashboard
Payload URLs
URL
File name
https://Z
Book
Document image
Image:
Download PNG
Document image
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/638174
Signature
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found Excel 4.0 Macro with suspicious formulas
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ae4f13a556fed4b57a064008d93bc15803f1b3e47537e95a014c3d31c2ccebe/
Threat name:
Script.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-03-12 18:36:07 UTC
AV detection:
3 of 47 (6.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hlspcosvn7wuwv5amqai3e54cwad6gz6i5jx5fnactb5ghbmz27a._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3ae4f13a556fed4b57a064008d93bc15803f1b3e47537e95a014c3d31c2ccebe

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:INDICATOR_DOC_PhishingPatterns
Create hunting rule
Author:ditekSHen
Description:Detects OLE, RTF, PDF and OOXML (decompressed) documents with common phishing strings
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:multiple_concats_in_excel4_formula_call
Create hunting rule
Author:Will Metcalf
Description:Behold The Great And Powerful Match Iterator. Multiple Concats Inside of call Function
Reference:https://blog.reversinglabs.com/blog/excel-4.0-macros
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:silentbuilder_03_05
Create hunting rule
Author:James Quinn
Description:SilentBuilder xls sheets
Rule name:silentbuilder_03_11
Create hunting rule
Author:James Quinn
Description:SilentBuilder xls sheets
Rule name:SUSP_EnableContent_String_Gen
Create hunting rule
Author:Florian Roth
Description:Detects suspicious string that asks to enable active content in Office Doc
Reference:Internal Research
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/123990/

Comments