MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3407a30a697cc9ad2aa84fddc9f643a6b0f2012b286f99f5ac01064bbd56e09a. 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


YellowCockatoo


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3407a30a697cc9ad2aa84fddc9f643a6b0f2012b286f99f5ac01064bbd56e09a
SHA3-384 hash: 6ea1a7b3cf4f7a2f71dcc532040f9cc47f2a80e52b9536c466d92505742aac681f573e508ee0715a06e985be6ef5d1e4
SHA1 hash: 97fd02560c81d73402a2639ee8416389556d42f5
MD5 hash: b9c0cd806706d6dd426679ec3edb3174
humanhash: venus-skylark-fifteen-kilo
File name:antik.dll
Download: download sample
Signature YellowCockatoo
Create hunting rule
File size:171'520 bytes
First seen:2022-03-08 15:59:44 UTC
Last seen:2022-03-08 17:30:19 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 60 x CobaltStrike, 44 x JanelaRAT)
ssdeep 3072:Gde0vUrfjcEjSI4uiyc81i9WKpY+H0xbZJqh3h1UGXu:we0MLjcEmy1J
Threatray 2 similar samples on MalwareBazaar
TLSH T176F3F7053B4BD8B0E39C96B9F55202B0A21892BBC5322F63E8717E79BFE515E5D0C1C9
Reporter SquiblydooBlog
Tags:dll Jupyter Polazert solarmarker Yellow Cockatoo YellowCockatoo

Intelligence

File Origin
# of uploads :
2
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/248329/
Detection(s):
SecuriteInfo.com.StaticAI-SuspiciousPE.8690.17198.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62279a560cd58dbd926882a7/reports/f0c53d49-731e-4ecb-a6cd-e46b35da7bad/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Jupyter
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cbe09f63-1313-42a2-add3-1b79ca73225f
Result
Threat name:
Unknown
Detection:
suspicious
Classification:
n/a
Score:
21 / 100
Link:
https://www.joesandbox.com/analysis/952746
Signature
Sigma detected: Suspicious Call by Ordinal
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 585223 Sample: antik.dll Startdate: 08/03/2022 Architecture: WINDOWS Score: 21 14 store-images.s-microsoft.com 2->14 16 Sigma detected: Suspicious Call by Ordinal 2->16 8 loaddll32.exe 1 2->8         started        signatures3 process4 process5 10 cmd.exe 1 8->10         started        process6 12 rundll32.exe 10->12         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3407a30a697cc9ad2aa84fddc9f643a6b0f2012b286f99f5ac01064bbd56e09a/
Threat name:
ByteCode-MSIL.Trojan.Yellowcockatoo
Create hunting rule
Status:
Malicious
First seen:
2022-03-08 16:00:11 UTC
File Type:
PE (.Net Dll)
AV detection:
10 of 27 (37.04%)
Threat level:
  5/5
Verdict:
suspicious
Similar samples:
1ab089aa70ae414ed619ed644f1d92d2797122fef8aa28f00581ef3ca9de2f82
YellowCockatoo
cb053d19ba6b4339d20e5eced36a58fffe71f571422b41e8cc255af63de34557
YellowCockatoo
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/220308-tfnveaggb5/
Unpacked files
SH256 hash:
3407a30a697cc9ad2aa84fddc9f643a6b0f2012b286f99f5ac01064bbd56e09a
MD5 hash:
b9c0cd806706d6dd426679ec3edb3174
SHA1 hash:
97fd02560c81d73402a2639ee8416389556d42f5
Link:
https://www.unpac.me/results/5ffe6795-0b73-44a4-8a83-4b10dc271fdc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/3407a30a697cc9ad2aa84fddc9f643a6b0f2012b286f99f5ac01064bbd56e09a

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:extracted_at_0x44b
Create hunting rule
Author:cb
Description:sample - file extracted_at_0x44b.exe
Reference:Internal Research

File information

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

YellowCockatoo

7z def4ead725ebf40e3c45f3c79a4acc5be862fad9ee92e864df4fdaa4146d2b0a

YellowCockatoo

DLL dll 3407a30a697cc9ad2aa84fddc9f643a6b0f2012b286f99f5ac01064bbd56e09a

(this sample)

  
Dropped by
SHA256 def4ead725ebf40e3c45f3c79a4acc5be862fad9ee92e864df4fdaa4146d2b0a
  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/248329/

Comments