MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d64a012716a426a5abb3fa295dfe66b8787058fd1a7736ef608ced25921c2fb. 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: 8


Maldoc score: 13


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 8d64a012716a426a5abb3fa295dfe66b8787058fd1a7736ef608ced25921c2fb
SHA3-384 hash: b68a54a266f496c9bf0e8b424653f9e1b8b6969b170e4db7c4fcad91450de16be92cd406f74f6201eac7efc765aba91c
SHA1 hash: 8322d23aef67fed8b201b9a679b21e4aa8143fe1
MD5 hash: 32855de741eb42afe866830b1f9a6e6e
humanhash: item-robin-triple-oklahoma
File name:CX2 RFQ.xlsm
Download: download sample
File size:441'036 bytes
First seen:2021-02-22 07:49:20 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 12288:fEBzYeFTHhUvVobTgNh4154M3yuTX8Jr3XqpEiVDM:fElRjZQ41abYMJTapjA
TLSH 3594225EE671D14CEE4750B5CBA82EE1235C8F12C0EA7E668433F3DC7A493A611618DE
Reporter abuse_ch
Tags:xlsm


Avatar
abuse_ch
payload URL:
http://188.127.254.61/456777864234.exe

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: 13
OLE dump

MalwareBazaar was able to identify 14 sections in this file using oledump:

Section IDSection sizeSection name
A1564 bytesPROJECT
A2125 bytesPROJECTwm
A3977 bytesVBA/Sheet1
A4977 bytesVBA/Sheet2
A5977 bytesVBA/Sheet3
A6977 bytesVBA/Sheet4
A78825 bytesVBA/ThisWorkbook
A84206 bytesVBA/_VBA_PROJECT
A91422 bytesVBA/__SRP_0
A10164 bytesVBA/__SRP_1
A11464 bytesVBA/__SRP_2
A12325 bytesVBA/__SRP_3
A13576 bytesVBA/dir
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
AutoExecWorkbook_OpenRuns when the Excel Workbook is opened
Hex StringCreate437265617465
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousShowWindowMay hide the application
SuspiciousCreateObjectMay create an OLE object
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousCreateMay execute file or a system command through
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.ms-excel.sheet.macroEnabled.12
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Deleting a recently created file
Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Payload URLs
URL
File name
https://www.vertex42.com/ExcelTemplates/quote-template.html
custom.xml
Document image
Document image
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
InQuest Machine Learning
An InQuest machine-learning model classified this macro as potentially malicious.
External Relationship Element
Document contains an externally hosted relationship, which fetches further content.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad.spre
Score:
96 / 100
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA with hexadecimal encoded strings
Document contains an embedded VBA with many randomly named variables
Infects executable files (exe, dll, sys, html)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Powershell drops PE file
Suspicious powershell command line found
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Trojan.Valyria
Status:
Malicious
First seen:
2021-02-22 07:50:15 UTC
AV detection:
10 of 48 (20.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
pyinstaller
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Detects Pyinstaller
Drops file in System32 directory
Looks up external IP address via web service
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://188.127.254.61/456777864234.exe
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

Excel file xlsm 8d64a012716a426a5abb3fa295dfe66b8787058fd1a7736ef608ced25921c2fb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments