MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79611ccdebf0fdafcf6844ea278314038ceda7b6f5c39ed7919cf6f7f2274c06. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 79611ccdebf0fdafcf6844ea278314038ceda7b6f5c39ed7919cf6f7f2274c06
SHA3-384 hash: 329cb311f87548d800e329808946d6c4293d04fcff0b222e123d4976ead5f6818db1cb809a46c8987f265efb3f00b2e8
SHA1 hash: 686f8c1b4e0980dbfc3b2b68870009e8c783057c
MD5 hash: 80cbcdc98aa7fa06d021783b0169e9ba
humanhash: magnesium-robert-avocado-moon
File name:VABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZNcOtNNDDVevUBNCN3jrIGHtGXMTIQIXsyU1zLaVMWQMJFNRFSCODDVVOWKnZI.dll
Download: download sample
Signature YellowCockatoo
File size:576'512 bytes
First seen:2023-10-26 08:45:46 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 62 x CobaltStrike, 44 x JanelaRAT)
ssdeep 12288:/EZSZduv3s3J3m/4Cv9r0RZyjqQcJgGy6:t30ICyg
TLSH T19FC4DF143BA0DC509B6C16E968DB97178B2352A3EEEFFF0B06A29134191B96353513CF
TrID 35.4% (.EXE) Win64 Executable (generic) (10523/12/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4505/5/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SquiblydooBlog
Tags:dll Jupyter Polazert solarmarker YellowCockatoo

Intelligence


File Origin
# of uploads :
1
# of downloads :
330
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Result
Threat name:
Jupyter, SolarMarker
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Yara detected Jupyter
Yara detected SolarMarker
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1332541 Sample: VVOWKnZI.dll Startdate: 26/10/2023 Architecture: WINDOWS Score: 68 15 Multi AV Scanner detection for submitted file 2->15 17 Yara detected Jupyter 2->17 19 Yara detected SolarMarker 2->19 21 Sample uses string decryption to hide its real strings 2->21 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        process5 13 rundll32.exe 9->13         started       
Threat name:
ByteCode-MSIL.Adware.RedCap
Status:
Malicious
First seen:
2023-10-23 21:57:36 UTC
File Type:
PE (.Net Dll)
AV detection:
16 of 23 (69.57%)
Threat level:
  1/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
79611ccdebf0fdafcf6844ea278314038ceda7b6f5c39ed7919cf6f7f2274c06
MD5 hash:
80cbcdc98aa7fa06d021783b0169e9ba
SHA1 hash:
686f8c1b4e0980dbfc3b2b68870009e8c783057c
Detections:
SolarmarkerStage2
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:extracted_at_0x44b
Author:cb
Description:sample - file extracted_at_0x44b.exe
Reference:Internal Research
Rule name:NETDLLMicrosoft
Author:malware-lu
Rule name:Solarmarker_Packer_May_2023
Author:Lucas Acha (http://www.lukeacha.com)
Description:another version showing observed possible packer in hexdump at specific offset ranges.
Reference:http://security5magics.blogspot.com/2020/12/tracking-jupyter-malware.html
Rule name:win_solarmarker_bytecodes
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in solarmarker Packer

File information


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

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