MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f44e0340051fbea54765193165ebed5e866a2110c5a87052642656a630cc4497. 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: 2


Intelligence 2 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f44e0340051fbea54765193165ebed5e866a2110c5a87052642656a630cc4497
SHA3-384 hash: 1c98fa46abd7a3974225f7821749b1501b76aa9414278c89c55179f576cf77c215bd8137063ee6833fb2ca3e366fbaef
SHA1 hash: 554adecb5ce720bf2822c35897d75e8c3a0218e4
MD5 hash: 1b7f56e8625f5eb3daf2f7491cdd9ef5
humanhash: wisconsin-earth-montana-nitrogen
File name:REF543890.doc
Download: download sample
Signature GuLoader
Create hunting rule
File size:72'362 bytes
First seen:2020-06-03 05:43:53 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:sssIAnJiYC8tB+TeZdSeMdMAElL2csnPP:s+AJiYC8cX
TLSH 566384EC1315934AD3631291AF45B0487A3BF61454E04CA4B29FE7BC73FF298F92A466
Reporter jarumlus
Tags:GuLoader Lokibot

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'092
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Document-Word.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 12:44:21 UTC
File Type:
Document
Extracted files:
17
AV detection:
14 of 31 (45.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201109-y8gw1p6h4a/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Blacklisted process makes network request
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

Word file doc f44e0340051fbea54765193165ebed5e866a2110c5a87052642656a630cc4497

(this sample)

GuLoader

Executable exe 13393c26e42a0d09bbd796f3f9b5109dc0d2e7ff7bd7f4aac0aa0c879c5c123c

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 13393c26e42a0d09bbd796f3f9b5109dc0d2e7ff7bd7f4aac0aa0c879c5c123c
  
Dropping
MD5 8e5bcc743f8bf0a3389dbf33673b0d45

Comments