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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 421cccf7ef2ecd482467b2f470a28707447c39d581d11e39578f4dba4472fd71. 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


ZLoader


Vendor detections: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 421cccf7ef2ecd482467b2f470a28707447c39d581d11e39578f4dba4472fd71
SHA3-384 hash: 51478f299c1cfd8a3a83b6937262ff6d9d39559aacd952e3125c0ab8665efead04cf1e926b17403eed11163ae9c6c239
SHA1 hash: ec47c4eceb2710e9deb8c3b17e2135e75a537e1a
MD5 hash: 14637642c8cfe797f2683f2bd463eb2f
humanhash: carolina-grey-oklahoma-muppet
File name:myResume.xls
Download: download sample
Signature ZLoader
Create hunting rule
File size:159'232 bytes
First seen:2020-09-11 21:02:56 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 3072:wPc0rJOJJiyx3h/9wGyi9DUfT9QbUztoNulWM:iXrJObP/9wH6I+Uto0lWM
TLSH A4F302386A1A4387E37D45BC49A11B40CB42BC8FFE5B771911CB7309AC3AF894D662C9
Reporter malware_traffic
Tags:Silent_Night xls ZLoader


Avatar
malware_traffic
Password for the XLS file: 1234

Intelligence

File Origin
# of uploads :
1
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/464589
Signature
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found abnormal large hidden Excel 4.0 Macro sheet
Found Excel 4.0 Macro with suspicious formulas
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Yara detected password protected xls with embedded macros
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/421cccf7ef2ecd482467b2f470a28707447c39d581d11e39578f4dba4472fd71/
Threat name:
Document-Office.Downloader.EncDoc
Create hunting rule
Status:
Malicious
First seen:
2020-09-11 15:17:47 UTC
File Type:
Document
Extracted files:
3
AV detection:
10 of 29 (34.48%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iiomz57pf3guqjdhwl2hbiuha5chyoovqhir4okxr5g3urds7vyq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200911-mvy951fxhj/
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
ZLoader
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/421cccf7ef2ecd482467b2f470a28707447c39d581d11e39578f4dba4472fd71

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.

Comments