MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 511637bf26adb8ac42cec6f38da7cc25ceee118e4a5f09e61bfc39defbc97809. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 511637bf26adb8ac42cec6f38da7cc25ceee118e4a5f09e61bfc39defbc97809
SHA3-384 hash: e41f975adbbadb66bc727ce00ff03f2c9819cc587cfeb1ad762ff575e67c92e835e7fb32cc08060dca3d44ba3f3379ba
SHA1 hash: 995b912f42cb2965988b2d8d1d6d54c025e40583
MD5 hash: 233ef31fafedb871160f3e3ea53b01b8
humanhash: friend-lion-finch-fifteen
File name:PABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZFSP9NEtuBPTLI7uJGKY4GRQVcR_TCMPNRCVLDOgBGKXzSQCREyS_B403SKXFN4NWENI.dll
Download: download sample
Signature YellowCockatoo
Create hunting rule
File size:673'792 bytes
First seen:2023-08-08 12:10:08 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 12288:3zbuRd8O4cSMwiLLWS3NPPQGGtwi/zoqN3WB7FiK:v2y/ctw4vIyi8
TLSH T1B8E4DE103BA4DD508B2C56E868DB97079B2762A7EEEFFF0346A29174191B86347503CF
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 :
303
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/441352/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.1849.2867.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64d230d66409f246e13fd5e1/reports/f04715c5-e7c8-42fd-a387-1e6ffe6cdb7b/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/511637bf26adb8ac42cec6f38da7cc25ceee118e4a5f09e61bfc39defbc97809
Malware family:
Solarmarker
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b994db95-d1c0-4419-93e7-e4b1a6df046d
Result
Threat name:
Jupyter
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1287746
Signature
Multi AV Scanner detection for submitted file
Yara detected Jupyter
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1287746 Sample: FN4NWENI.dll Startdate: 08/08/2023 Architecture: WINDOWS Score: 56 15 Multi AV Scanner detection for submitted file 2->15 17 Yara detected Jupyter 2->17 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       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/511637bf26adb8ac42cec6f38da7cc25ceee118e4a5f09e61bfc39defbc97809/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-08-08 12:11:06 UTC
File Type:
PE (.Net Dll)
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=keldppzgvw4kyqwoy3zy3j6mexho4emojjpqtzq37q45566jpaeq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/230808-pck7wsea5w/
Unpacked files
SH256 hash:
511637bf26adb8ac42cec6f38da7cc25ceee118e4a5f09e61bfc39defbc97809
MD5 hash:
233ef31fafedb871160f3e3ea53b01b8
SHA1 hash:
995b912f42cb2965988b2d8d1d6d54c025e40583
Link:
https://www.unpac.me/results/aa0a14d0-f0d0-46cf-9019-b505a8da7430/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/511637bf26adb8ac42cec6f38da7cc25ceee118e4a5f09e61bfc39defbc97809

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
Rule name:NETDLLMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Solarmarker_Packer_May_2023
Create hunting rule
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

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/441352/

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