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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed569d3fc9abed62ff99ad2f70d2c028c8ef978f27ca2f8207f4488ec7c01bd2. 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 5 File information Comments

SHA256 hash: ed569d3fc9abed62ff99ad2f70d2c028c8ef978f27ca2f8207f4488ec7c01bd2
SHA3-384 hash: a472b71f35a2835ff40ba4ba48f6540fb954605e6664f5d5cca2191711a3b1473c43e86f366d29601c2e75cb6d3e18bf
SHA1 hash: 5de125299f47a5eb77b092e4f4b4e0af2fbba787
MD5 hash: 3a12e34a89544ca473de77010edc2a72
humanhash: white-pennsylvania-magazine-xray
File name:8346.xls
Download: download sample
Signature ZLoader
File size:45'056 bytes
First seen:2020-11-10 15:36:29 UTC
Last seen:2020-11-10 17:48:03 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:y1ZDm3ABnTsfYJh2m7zztzxZDn/Y2lxcI1+3h6oa+:y3DmQFsGj3hFZDn/YYh1mg+
TLSH 0C13D01C2C74D46AC7A5BA3A04342B9D8FA57E02E58A93025B6E73DC0072EC5972B71F
Reporter ffforward
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: 5
Application name is Microsoft Excel
Office document is in OLE format
Office document is in encrypted
OLE dump

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

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
334959 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 :
231
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
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
Detection:
malicious
Classification:
spre.expl.evad
Score:
100 / 100
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
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)
System process connects to network (likely due to code injection or exploit)
Yara detected password protected xls with embedded macros
Yara detected VBS Downloader Generic
Behaviour
Behavior Graph:
Threat name:
Document-Office.Downloader.ZLoader
Status:
Malicious
First seen:
2020-11-11 00:10:22 UTC
File Type:
Document
Extracted files:
3
AV detection:
10 of 29 (34.48%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Modifies registry class
Suspicious use of FindShellTrayWindow
Process spawned unexpected child process
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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
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.

Malspam

ZLoader

Excel file xls ed569d3fc9abed62ff99ad2f70d2c028c8ef978f27ca2f8207f4488ec7c01bd2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments