MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3dfcd55ea3b621537c1d7170212249d3d12f96a08d0e5c2ed1d4f0cf6036eb6. 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


CobaltStrike


Vendor detections: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3dfcd55ea3b621537c1d7170212249d3d12f96a08d0e5c2ed1d4f0cf6036eb6
SHA3-384 hash: 87c936c1853ea0a3aa5cb51d8d0ec2291c9d6b5dfbb17406c4331f897ab081e5e31c27c1dfdf0c5c69090c7dc7b51529
SHA1 hash: bf8a77be54fffaca0775b2947e29b46959c010b9
MD5 hash: 3bb71cef8a643cf00aef4ed04a599b12
humanhash: carpet-november-fifteen-north
File name:goopdate.dll
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:292'352 bytes
First seen:2020-07-17 09:43:37 UTC
Last seen:2020-07-17 10:46:05 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash bc61d944c1aaaa879bbbdcaef3fbf01f (1 x CobaltStrike)
ssdeep 6144:Rpb77NuFerqK7RcRYkcrY4MCIt07iPlvU0jVI8:fNuFe+MnES76U0jVI8
Threatray 79 similar samples on MalwareBazaar
TLSH BC548C5031D1F032E0AF0435525BDB724FBDBD319AF09C976B990A698F313D2DA2AA17
Reporter TrappmanRhett
Tags:CobaltStrike

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
CobaltStrikeBeacon
Create hunting rule
Link:
https://www.capesandbox.com/analysis/27304/
Detection(s):
PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Sending a TCP request to an infection source
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/389052
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246717 Sample: goopdate.dll Startdate: 18/07/2020 Architecture: WINDOWS Score: 56 15 Malicious sample detected (through community Yara rule) 2->15 17 Multi AV Scanner detection for submitted file 2->17 7 loaddll32.exe 1 2->7         started        process3 process4 9 rundll32.exe 7->9         started        11 rundll32.exe 7->11         started        process5 13 WerFault.exe 28 10 9->13         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3dfcd55ea3b621537c1d7170212249d3d12f96a08d0e5c2ed1d4f0cf6036eb6/
Threat name:
Win32.PUA.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2020-07-17 09:45:05 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  1/5
Verdict:
unknown
Similar samples:
1e7a7c1503eb7afb73b39963683bb38691b5ba08c901593b76e78064d73e94ef
CobaltStrike
248ecff90346c947fda3ab80b686cdb4a3ea72ce5641a17e72b3cd48262d0b69
CobaltStrike
29bf6be1fa9e4b72bb9e2eeb8156ea1c03311d157d1bb28a0cea1328c6fd473d
CobaltStrike
37991980ed910dd02716c5afeaba0042ae5c68f1b37acd037df9aaa6c181c4c6
CobaltStrike
67e4afe6e9701d2970eb3b62da0676750ba3e861801414f2036f3ec039b2e56b
CobaltStrike
7c110f7a45aba8f26ba0eb32c024ea55598ec54d9ceda6cf13272a31d2cc6da0
CobaltStrike
8bb24503e3418b4e1879c450818a21da05f7f3a54da7939b3f1733b45c9bb029
CobaltStrike
9b8107f42878501861702cac98baea7034b91231b362ce08741479aaf7c6cf4d
CobaltStrike
9e685dbb18a96ef4d8877f5b516ab8e5821ae79512d7dfe011330633775c289c
CobaltStrike
a56a122e4d9fc51551a7c7ea70458c0938fbd4620268ed1d14b393e1e68325de
CobaltStrike
+ 69 additional samples on MalwareBazaar
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike
Link:
https://tria.ge/reports/200717-5wptmayme6/
Behaviour
Cobaltstrike family
Malware Config
C2 Extraction:
http://104.31.76.215:80/jquery-3.3.2.min.js
http://172.67.168.227:80/jquery-3.3.2.min.js
http://104.31.77.215:80/jquery-3.3.2.min.js
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c3dfcd55ea3b621537c1d7170212249d3d12f96a08d0e5c2ed1d4f0cf6036eb6

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:CobaltStrike_Sleep_Decoder_Indicator
Create hunting rule
Author:yara@s3c.za.net
Description:Detects CobaltStrike sleep_mask decoder

File information

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

  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/27304/

Comments