MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5988de02b33b85a699c9bf68889973ab8b58a08296fa0ee3eeef4102d6ff84f2. 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: 5


Intelligence 5 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5988de02b33b85a699c9bf68889973ab8b58a08296fa0ee3eeef4102d6ff84f2
SHA3-384 hash: 86e550ed150b0ae9400bd40baf2b233e9c4139d4c5cf376979c9e54d4021a713555ce26bdd09bfff31032873f8359016
SHA1 hash: e491170133c950f011f927bece93369ff8a641af
MD5 hash: 4d0da2aab938b19f8a1cee89dcedca81
humanhash: oranges-foxtrot-kentucky-butter
File name:c1.xlsm
Download: download sample
File size:399'596 bytes
First seen:2020-10-23 09:34:34 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 12288:FYeFTHhUvVobTgNh4154M3yuTX8Jr3XqpEiVDWIB8y:FRjZQ41abYMJTapjnBn
TLSH AD84121AB675D54CED9B50B4DBF42EE15368CE13D0EE3EA68537A3CC7A0636210124EE
Reporter abuse_ch
Tags:xlsm Yahoo


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: sonic304-21.consmr.mail.ir2.yahoo.com
Sending IP: 77.238.179.146
From: Rose Maduna <rose@purequestair.co.za>
Subject: Please Quote
Attachment: c1.xlsm

Unknown payload URL:
https://u.teknik.io/Zrnp7.txt

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Sending an HTTP GET request
Deleting a recently created file
Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)
Launching a process by exploiting the app vulnerability
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/507993
Signature
Creates processes via WMI
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA with base64 encoded strings
Document contains an embedded VBA with hexadecimal encoded strings
Document contains an embedded VBA with many randomly named variables
Machine Learning detection for sample
May check the online IP address of the machine
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5988de02b33b85a699c9bf68889973ab8b58a08296fa0ee3eeef4102d6ff84f2/
Threat name:
Script-Macro.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-10-23 09:09:29 UTC
AV detection:
5 of 48 (10.42%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lgen4avthoc2ngojx5uirgltvofvriecs35a5y7o55aqfvx7qtza._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/201023-2qcllphdae/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious use of FindShellTrayWindow
Office loads VBA resources, possible macro or embedded object present
Drops file in System32 directory
JavaScript code in executable
Looks up external IP address via web service
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://u.teknik.io/Zrnp7.txt
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
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
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 5988de02b33b85a699c9bf68889973ab8b58a08296fa0ee3eeef4102d6ff84f2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/739338/
  
Delivery method
Distributed via e-mail attachment

Comments