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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3daf01eebe957c2b6f087b806d24f03f4ed657d503d61eb17f1b14181fb5a8e2. 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: 9


Maldoc score: 5


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 3daf01eebe957c2b6f087b806d24f03f4ed657d503d61eb17f1b14181fb5a8e2
SHA3-384 hash: 25413353c81c7d840008ee5fa13e927d0c3beaeb8ccc06ff2368738e704acadfc395aceee258ff90b881531b6376ffd7
SHA1 hash: f68ff24be79b0f5b9f24c15bc65d6ce2149dd5fa
MD5 hash: 7a4e8836948c50644f6d4da1e4f0ebd6
humanhash: alabama-bravo-hydrogen-mexico
File name:SecuriteInfo.com.XF.AShadow.1000.1879.868
Download: download sample
Signature ZLoader
File size:37'376 bytes
First seen:2023-03-30 23:33:07 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 768:+PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJZip9z9gmhoXgk61Z/95:Cok3hbdlylKsgqopeJBWhZFGkE+cL2Nd
TLSH T163F273E3BAD5DC65CE48433548674790A712FC9157AB938B3349FB3A3FB1BE05902286
TrID 58.2% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
33.5% (.XLS) Microsoft Excel sheet (32500/1/3)
8.2% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter SecuriteInfoCom
Tags:xlsx 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
327461 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 :
1
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.XF.AShadow.1000.1879.868
Verdict:
No threats detected
Analysis date:
2023-03-30 23:33:50 UTC
Tags:
macros40

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Launching a process by exploiting the app vulnerability
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer exploit language-pt macros macros-on-open zloader
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
0%
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spre.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
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)
System process connects to network (likely due to code injection or exploit)
Yara detected VBS Downloader Generic
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Trojan.ZLoader
Status:
Malicious
First seen:
2020-11-29 01:08:36 UTC
File Type:
Document
Extracted files:
5
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
macro xlm
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://markens.online/wp-data.php
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

ZLoader

Excel file xlsx 3daf01eebe957c2b6f087b806d24f03f4ed657d503d61eb17f1b14181fb5a8e2

(this sample)

  
Delivery method
Distributed via web download

Comments