MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e675ada65b850344af62cee3d42e6f526b3f8acfb711d1144692aa7c95b1c367. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
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SHA256 hash: e675ada65b850344af62cee3d42e6f526b3f8acfb711d1144692aa7c95b1c367
SHA3-384 hash: 0adcf6e8babe3cc5c69eafcd0d5f9ebffc58fee690d9f69b96bc1190998f4b507e5cf4bd072cddaf1aaf69cd17899d9f
SHA1 hash: 5c7fcd2c1437e05f5c15529ef49d29a80d739ba3
MD5 hash: 2f2805cfd44b948f360d920ca98527ca
humanhash: alabama-coffee-king-mango
File name:JABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZBY7BjBYQsIH4wDMOiJShQT.dll
Download: download sample
Signature YellowCockatoo
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File size:876'544 bytes
First seen:2024-03-05 23:41:39 UTC
Last seen:2024-03-06 01:31:44 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 60 x CobaltStrike, 44 x JanelaRAT)
ssdeep 12288:LMcDkBEo7GLlRW9hWByeu/201kKzpj2WQqy95WAhP0W:LDkeahfRYgpW5FP0W
TLSH T1A0158E0633E1C980FBEC0BF56C9657D6AB20A3F3C6C25B451AAE54F60776B2444F88E5
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) (4504/4/1)
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 :
2
# of downloads :
379
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PolazertNET.14.11034.21553.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm overlay
Link:
https://www.filescan.io/uploads/65e7adcb114473d2986ae8d4/reports/3a2eb72a-a7ce-4ec9-86a5-3e5bca13f166/overview
Verdict:
Malicious
Labled as:
MSIL/Polazert_AGeneric.S trojan
Link:
https://www.hybrid-analysis.com/sample/e675ada65b850344af62cee3d42e6f526b3f8acfb711d1144692aa7c95b1c367
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/8e294142-c7f0-4214-a6d9-c0b727358414
Result
Threat name:
Jupyter
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Detection:
malicious
Classification:
troj
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1403759
Signature
Yara detected Jupyter
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1403759 Sample: JABCDEFGHIJKLMNOPQRSTUVWXYZ... Startdate: 06/03/2024 Architecture: WINDOWS Score: 48 15 Yara detected Jupyter 2->15 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       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e675ada65b850344af62cee3d42e6f526b3f8acfb711d1144692aa7c95b1c367
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e675ada65b850344af62cee3d42e6f526b3f8acfb711d1144692aa7c95b1c367/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4z223js3qubujl3cz3r5iltpkjvt7cwpw4i5cfcgskvhzfnryntq._file
Verdict:
malicious
Result
Malware family:
jupyter
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Score:
  10/10
Tags:
family:jupyter
Link:
https://tria.ge/reports/240305-3pzspsdh42/
Unpacked files
SH256 hash:
e675ada65b850344af62cee3d42e6f526b3f8acfb711d1144692aa7c95b1c367
MD5 hash:
2f2805cfd44b948f360d920ca98527ca
SHA1 hash:
5c7fcd2c1437e05f5c15529ef49d29a80d739ba3
Detections:
SolarmarkerStage2
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Link:
https://www.unpac.me/results/082158e2-f9ed-4c52-a563-24d1d34e7a9b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e675ada65b850344af62cee3d42e6f526b3f8acfb711d1144692aa7c95b1c367

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:Possible_Solarmarker_Backdoor_Nov2023
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Author:Lucas Acha (http://www.lukeacha.com)
Description:Observed strings in the latest obfuscated solarmarker backdoor dll.
Reference:https://security5magics.blogspot.com/2023/10/new-solarmarker-variant-october-2023.html
Rule name:Windows_Trojan_SolarMarker_d466e548
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Author:Elastic Security
Rule name:win_solarmarker_bytecodes
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Author:Matthew @ Embee_Research
Description:Detects bytecodes present in solarmarker Packer
Rule name:win_solarmarker_stage2_bytecodes_dec_2023
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Author:Matthew @ Embee_Research
Description:Patterns observed in Solarmarker stage2 dll

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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