MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c246066ba672ea9e8e0879f3f163c06b65ae73ab034261027712b51b1142d026. 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


Threat unknown


Vendor detections: 6


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

SHA256 hash: c246066ba672ea9e8e0879f3f163c06b65ae73ab034261027712b51b1142d026
SHA3-384 hash: 7a1bc06c2a6b57c6ec850acd5d210ceaa82f7302b71dd5859d73826748f18eabbf5f1c6c7866f1ea935240cfeccb6ed8
SHA1 hash: 55710360278839a19c0ce9b8683b34192228c6ed
MD5 hash: 2419f500c59b4ec968d70e55da81ba4f
humanhash: floor-double-delaware-jupiter
File name:2419f500c59b4ec968d70e55da81ba4f.doc
Download: download sample
File size:44'544 bytes
First seen:2021-04-29 13:00:25 UTC
Last seen:Never
File type:Word file doc
MIME type:application/msword
ssdeep 768:TLG1S6yPnVdJmwsIsWvczZ/Ilo4lJL4fGG7zw235/q:3G1S6M1lo4lJg1Nq
TLSH E91378600ACA1B8FF3378575D252D5227CA2EC3ED82D354B82D4BE7D1CB121BE51A279
Reporter abuse_ch
Tags:doc

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 Office Word
Office document is in OLE format
OLE dump

MalwareBazaar was able to identify 8 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2280 bytesDocumentSummaryInformation
3416 bytesSummaryInformation
47268 bytes1Table
54096 bytesData
624112 bytesObjectPool/_1675638362/Ole10Native
76 bytesObjectPool/_1675638362/ObjInfo
84096 bytesWordDocument

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://159.89.238.15/
Verdict:
Malicious activity
Analysis date:
2021-03-02 08:34:04 UTC
Tags:
opendir trojan loader
Link:
https://app.any.run/tasks/6d7042bb-6fbe-4d04-9b89-28984ed7e593

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
MiscreantPunch.OleNativePackageEXEExt.InsideOLE.UNOFFICIAL
Create hunting rule

MiscreantPunch.OleNativePackageEXEExt.SSPLIT.M3.InsideOLE.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
Clean
File Type:
Legacy Office File
Link:
https://app.docguard.net/c246066ba672ea9e8e0879f3f163c06b65ae73ab034261027712b51b1142d026/results/dashboard
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/c246066ba672ea9e8e0879f3f163c06b65ae73ab034261027712b51b1142d026
Details
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Document With Minimal Content
Document contains less than 1 kilobyte of semantic information.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/702450
Signature
Document contains OLE streams which likely are hidden ActiveX objects
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: Office product drops script at suspicious location
Sigma detected: Powershell Download and Execute IEX
Suspicious powershell command line found
Tries to download and execute files (via powershell)
UAC (User Account Control) bypass detected
UAC bypass detected (mscfile / eventvwr.exe)
Uses cmd line tools excessively to alter registry or file data
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 400147 Sample: OC54yG4Ssl.doc Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 41 Document contains OLE streams which likely are hidden ActiveX objects 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Sigma detected: Office product drops script at suspicious location 2->45 47 3 other signatures 2->47 9 WINWORD.EXE 306 32 2->9         started        process3 file4 33 C:\Users\...\Access BSPlink Security.pdf.bat, Little-endian 9->33 dropped 49 Document exploit detected (creates forbidden files) 9->49 13 cmd.exe 9->13         started        signatures5 process6 signatures7 55 UAC (User Account Control) bypass detected 13->55 57 UAC bypass detected (mscfile / eventvwr.exe) 13->57 59 Suspicious powershell command line found 13->59 61 2 other signatures 13->61 16 reg.exe 1 13->16         started        20 eventvwr.exe 1 13->20         started        22 cmd.exe 13->22         started        24 3 other processes 13->24 process8 dnsIp9 35 159.89.238.15, 80 DIGITALOCEAN-ASNUS United States 16->35 37 UAC (User Account Control) bypass detected 16->37 39 UAC bypass detected (mscfile / eventvwr.exe) 16->39 26 cmd.exe 20->26         started        29 WMIC.exe 22->29         started        signatures10 process11 signatures12 51 Suspicious powershell command line found 26->51 53 Tries to download and execute files (via powershell) 26->53 31 powershell.exe 12 7 26->31         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c246066ba672ea9e8e0879f3f163c06b65ae73ab034261027712b51b1142d026/
Threat name:
Win32.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2021-02-24 08:00:11 UTC
AV detection:
22 of 47 (46.81%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/210429-tt7fe6glpn/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
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:INDICATOR_OLE_ObjectPool_Embedded_Files
Create hunting rule
Author:ditekSHen
Description:Detects OLE documents with ObjectPool OLE storage and embed suspicous excutable files
Rule name:MALWARE_DOC_KoadicDOC
Create hunting rule
Author:ditekSHen
Description:Koadic post-exploitation framework document payload
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

File information

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

Web download

Word file doc c246066ba672ea9e8e0879f3f163c06b65ae73ab034261027712b51b1142d026

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1182362/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1182369/

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