MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f58cc75c7992643e740237cd7f28fc0b496eb8a368bd33e7751d5efdd54131e0. 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


GuLoader


Vendor detections: 3


Intelligence 3 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f58cc75c7992643e740237cd7f28fc0b496eb8a368bd33e7751d5efdd54131e0
SHA3-384 hash: 4a6fe3f4c5cafe272bb66aa3545798df88ee00cd9e095597667272c13752c8bce008f8328a9d89472874c09fc4c3cc5d
SHA1 hash: a9d17b5f77cbbd8c42269c04718c8b00f09f5f0a
MD5 hash: 89bb68a0371c695ad0cb998777e72330
humanhash: georgia-connecticut-eleven-missouri
File name:521828.xlsm
Download: download sample
Signature GuLoader
Create hunting rule
File size:39'449 bytes
First seen:2020-05-14 05:20:10 UTC
Last seen:2020-05-14 05:45:03 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 768:8ClBP++fZhSzO5GI/YJwwU7hu+BVMaLk/BAjjDjnP:8CjWuKJInZcpAjjDjnP
TLSH 9F039D1EF305A807DA26283E8F1C8DE2D95C60EBA2DBF1443545B29D0716BC3AF4F695
Reporter abuse_ch
Tags:CHE geo GMX GuLoader xlsm


Avatar
abuse_ch
Malspam distributing GuLoader:

HELO: mout.gmx.net
Sending IP: 212.227.15.19
From: "Schweizerische Steuerverwaltung" <degoutyw47k@gmx.com>
Subject: Ihre Steuern
Attachment: 521828.xlsm

GuLoader payload URL:
http://id-929734532482.com/Fromagerne1.exe

Unknown payload URL:
http://194.26.29.128/Client-17_nCoOSOQEsU142.bin

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.OXML.EvilMacroSheetNightTrain.20200328.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.OXML.EvilMacroSheetNightTrain.202000415.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Document-Word.Trojan.Cye
Create hunting rule
Status:
Malicious
First seen:
2020-05-14 05:35:44 UTC
File Type:
Document
Extracted files:
26
AV detection:
16 of 48 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wgmoxdzsjsd45acg7gx6kh4bnew5ofdnc6thz3vdvpp3vkbghqa._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201109-kpp3vmxn3n/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious use of FindShellTrayWindow
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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

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

Malspam

GuLoader

Excel file xlsm f58cc75c7992643e740237cd7f28fc0b496eb8a368bd33e7751d5efdd54131e0

(this sample)

GuLoader

Executable exe bdabe959984903e3b0ae1bc9f9e22da02ad10c8864d1f3782b49ecad0272ba46

  
URLhaus
https://urlhaus.abuse.ch/url/362507/
  
Dropping
MD5 3a80adb467edd655d399ffed07e6989c
  
Dropping
GuLoader
  
Dropping
SHA256 bdabe959984903e3b0ae1bc9f9e22da02ad10c8864d1f3782b49ecad0272ba46
  
Delivery method
Distributed via e-mail attachment

Comments