MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cc525e4fe09c6d8d5beb8afb5a3c6525b5a04e6a3db107920189bb1d4814d3a. 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 2 File information Comments
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SHA256 hash: 4cc525e4fe09c6d8d5beb8afb5a3c6525b5a04e6a3db107920189bb1d4814d3a
SHA3-384 hash: a2711b4a50e51444db37aecda3e5b9409891f2bcd35044f3d1f4c6c294d1612f8af85ae057435247b438a1d60e536b2e
SHA1 hash: 03b3987759ed997509792b30e0aa3d9fb41f44c9
MD5 hash: 0832b10f596eb1ad78853da3eabdf22b
humanhash: october-zebra-west-december
File name:jABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZWTSSZNCRMBYVOz.dll
Download: download sample
Signature YellowCockatoo
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File size:760'832 bytes
First seen:2023-10-05 07:31:43 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:qliujZ7oNEjB4IxMPhS5Y0siNIXLxDn94i:Wo3OmN54i
TLSH T130F4CD143BA4CC509B6C16E8A8EB93174B2752A7DDEFFF1306A291701A2B86357513CF
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 :
294
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PolazertNET.12.14422.26668.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/4cc525e4fe09c6d8d5beb8afb5a3c6525b5a04e6a3db107920189bb1d4814d3a
Result
Verdict:
MALICIOUS
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d5db3a78-7226-43ed-97fb-1b2b0e220898
Result
Threat name:
Jupyter
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Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1319948
Signature
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Yara detected Jupyter
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1319948 Sample: jABCDEFGHIJKLMNOPQRSTUVWXYZ... Startdate: 05/10/2023 Architecture: WINDOWS Score: 60 15 Multi AV Scanner detection for submitted file 2->15 17 Yara detected Jupyter 2->17 19 Sample uses string decryption to hide its real strings 2->19 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/4cc525e4fe09c6d8d5beb8afb5a3c6525b5a04e6a3db107920189bb1d4814d3a/
Threat name:
ByteCode-MSIL.Adware.RedCap
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Status:
Malicious
First seen:
2023-10-05 07:32:05 UTC
File Type:
PE (.Net Dll)
AV detection:
17 of 24 (70.83%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jtcslzh6bhdnrvn6xcx3li6gkjnvubhgupnra6jadcn3dvebju5a._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/231005-jcykbsbc53/
Behaviour
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
4cc525e4fe09c6d8d5beb8afb5a3c6525b5a04e6a3db107920189bb1d4814d3a
MD5 hash:
0832b10f596eb1ad78853da3eabdf22b
SHA1 hash:
03b3987759ed997509792b30e0aa3d9fb41f44c9
Detections:
SolarmarkerStage2
Create hunting rule
Link:
https://www.unpac.me/results/1c48d0ff-6872-4e6c-81ca-f1ea5c962a20/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
solarmarker
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4cc525e4fe09c6d8d5beb8afb5a3c6525b5a04e6a3db107920189bb1d4814d3a

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
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Author:cb
Description:sample - file extracted_at_0x44b.exe
Reference:Internal Research
Rule name:NETDLLMicrosoft
Create hunting rule
Author:malware-lu

File information

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

Comments