MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aaf2a9920c23cbccf4ee9686679ad605ed3943685e80855192cdaf27913d9b7. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8aaf2a9920c23cbccf4ee9686679ad605ed3943685e80855192cdaf27913d9b7
SHA3-384 hash: 1162248f88f8d34eaaadb038540a327c4f4a041cfbebab9571fc31110f85d750563575d5b363a656d2dfa0ac69e34919
SHA1 hash: 5b5874d1bb711c6d34ab8b9f33aa1bd6625b2b6a
MD5 hash: 15348674c49313ef66e772eca74e05ab
humanhash: white-spring-carbon-bluebird
File name:bABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZXxDD5EMRVLgIwxtEIDONPdDvKvqXQEeAGQShXIkZXEwNcXTJdLkIcBIiaZLL9FbV2g6DkSTgff
Download: download sample
Signature YellowCockatoo
Create hunting rule
File size:834'048 bytes
First seen:2022-04-16 14:47:26 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 60 x CobaltStrike, 44 x JanelaRAT)
ssdeep 12288:iAQ0cf2g83dCxn954rs/3YJ7XG3o/0NbX4ZTJdskypdltt87e7Pwii:ilRcCxn9T+QNbaTzkpdltt8yEii
Threatray 5 similar samples on MalwareBazaar
TLSH T19A0513143B8DC8ACCB7C5AE970AB6711572464FBD1429F8E3AA410F1DE4A911DC893FE
TrID 38.0% (.EXE) Win64 Executable (generic) (10523/12/4)
23.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
16.3% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.EXE) OS/2 Executable (generic) (2029/13)
7.2% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 5a4b4d25aae42544 (2 x YellowCockatoo)
Reporter SquiblydooBlog
Tags:dll Jupyter Polazert solarmarker Yellow Cockatoo YellowCockatoo

Intelligence

File Origin
# of uploads :
1
# of downloads :
383
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/264116/
Detection(s):
SecuriteInfo.com.Trojan.PolazertNET.9.6788.12558.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/625ad723ffe27d5119e7f687/reports/4f592069-60e5-4ed6-9091-dcc3bec14be7/overview
Result
Verdict:
UNKNOWN
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:
Solarmarker
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f409974a-1f20-4083-87ca-47922f1faf22
Result
Threat name:
Jupyter
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/977707
Signature
Sigma detected: Suspicious Call by Ordinal
Yara detected Jupyter backdoor
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 610194 Sample: bV2g6DkSTgff Startdate: 16/04/2022 Architecture: WINDOWS Score: 52 13 Yara detected Jupyter backdoor 2->13 15 Sigma detected: Suspicious Call by Ordinal 2->15 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        process5 11 rundll32.exe 9->11         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8aaf2a9920c23cbccf4ee9686679ad605ed3943685e80855192cdaf27913d9b7/
Threat name:
ByteCode-MSIL.Trojan.Jupyter
Create hunting rule
Status:
Malicious
First seen:
2022-04-16 14:48:08 UTC
File Type:
PE (.Net Dll)
Extracted files:
8
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rkxsvgjayi6lzt2o5fugm6nnmbpnhfbwqxuaqvizftnpe6it3g3q._file
Verdict:
unknown
Similar samples:
1ab089aa70ae414ed619ed644f1d92d2797122fef8aa28f00581ef3ca9de2f82
YellowCockatoo
2bc8e326c706fcdafa551f0f1dfcbc4649d52e4b1d98cba1cd6de8f64e4ed87c
YellowCockatoo
586607b7d094e4acb3373d6812e62b870c64d17f18b7c5fd929d4418a61b4f30
YellowCockatoo
6cd7cefaaf4615e182317d827e8651e12b981dea9da168ed8502db3b6e2930e9
YellowCockatoo
eeecc2bd75ec77db22de5c47efe1fbef63c6b310d34bac6e3b049eef7f86c90b
YellowCockatoo
Result
Malware family:
jupyter
Create hunting rule
Score:
  10/10
Tags:
family:jupyter
Link:
https://tria.ge/reports/220416-r6ey3shga9/
Unpacked files
SH256 hash:
8aaf2a9920c23cbccf4ee9686679ad605ed3943685e80855192cdaf27913d9b7
MD5 hash:
15348674c49313ef66e772eca74e05ab
SHA1 hash:
5b5874d1bb711c6d34ab8b9f33aa1bd6625b2b6a
Link:
https://www.unpac.me/results/11726d56-d565-4ed8-943b-d91ff4912857/
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/8aaf2a9920c23cbccf4ee9686679ad605ed3943685e80855192cdaf27913d9b7

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.

Cape
Cape
https://www.capesandbox.com/analysis/264116/

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