MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d492a674cb6d01aff720855a53c19ff8abe423e3521bf0ddee8d7c168b468cb6. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: d492a674cb6d01aff720855a53c19ff8abe423e3521bf0ddee8d7c168b468cb6
SHA3-384 hash: b4facfd120eec6efaf572581d7a48374a91a25b4a7075ee9f5fc9ac790e49456b34c06a636940a8ab42a42ed42abf700
SHA1 hash: 5eef3d3c83707cb33c13d341a124b3a1ed554739
MD5 hash: a2cfbd92ccd84353e8ec52b9f8e0b3f0
humanhash: nineteen-yellow-venus-zebra
File name:ContractXT67XPC#3.xlsx
Download: download sample
File size:672'116 bytes
First seen:2022-09-09 07:22:16 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 12288:7f2s/s5x5LXi+fcUDx9Gc0UUvAMRRczzHNx+LWjQC/vqPZMc4cd:Ss/s5x5LXi+fjxn7U4MRRczzHN0Cj6ZB
TLSH T13DE423ECF48177EFC804DA2A62BE5C3DA424BE57447460E6C288A54B7611CD53E6BFD0
TrID 60.1% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
30.9% (.ZIP) Open Packaging Conventions container (17500/1/4)
7.0% (.ZIP) ZIP compressed archive (4000/1)
1.7% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter lowmal3
Tags:CVE-2017-11882 xlsx

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 dump

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

Section IDSection sizeSection name
A1895111 bytesole10NATivE
A20 bytesywLCa4J

Intelligence


File Origin
# of uploads :
1
# of downloads :
384
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ContractXT67XPC#3.xlsx
Verdict:
Malicious activity
Analysis date:
2022-09-09 07:24:06 UTC
Tags:
exploit CVE-2017-11882 loader

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
Creating a window
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file
Searching for the Windows task manager window
Creating a process with a hidden window
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Behaviour
BlacklistAPI detected
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Label:
Malicious
Suspicious Score:
9.1/10
Score Malicious:
91%
Score Benign:
9%
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Mass process execution to delay analysis
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2022-09-09 01:56:17 UTC
File Type:
Document
Extracted files:
21
AV detection:
24 of 40 (60.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
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.

Malspam

Excel file xlsx d492a674cb6d01aff720855a53c19ff8abe423e3521bf0ddee8d7c168b468cb6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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