MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5552ce676db6d5f5ea968bfd5d2580a64a6da0ad92b6a44de93e9ac748d62de. 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

SHA256 hash: f5552ce676db6d5f5ea968bfd5d2580a64a6da0ad92b6a44de93e9ac748d62de
SHA3-384 hash: ebc3fb5971905a73123c7868b99d7dc554c357bf1e39d494822cd1d3e2ac2548534a4f92ba1466b0845e5479819aad65
SHA1 hash: 2cac1d9a10326545e07c93049cbb8434e0b897a3
MD5 hash: 699f49bc599edc3dd22552785c47da3b
humanhash: william-lake-solar-fourteen
File name:deimos.dll
Download: download sample
Signature YellowCockatoo
File size:143'873 bytes
First seen:2022-03-14 02:16:25 UTC
Last seen:2022-03-14 03:33:49 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 60 x CobaltStrike, 44 x JanelaRAT)
ssdeep 3072:Ktgbj1NH4vnR2wYpsY5/fV5wpEOqpEPZ0R/Si0KuK1yXH4w:4gbj1GvnRzYp1/NypLhib
Threatray 6 similar samples on MalwareBazaar
TLSH T1E3E39181738EDB91FF2C9AF8B8521730E33450ABC512B36768B07AF99E555685B402CF
Reporter RussianPanda95
Tags:dll Jupyter Polazert solarmarker YellowCockatoo

Intelligence


File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed replace.exe wacatac
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Sigma detected: Suspicious Call by Ordinal
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 588003 Sample: solar.dll Startdate: 13/03/2022 Architecture: WINDOWS Score: 56 13 Antivirus / Scanner detection for submitted sample 2->13 15 Machine Learning detection for sample 2->15 17 Sigma detected: Suspicious Call by Ordinal 2->17 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        process5 11 rundll32.exe 9->11         started       
Threat name:
ByteCode-MSIL.Trojan.Polazert
Status:
Malicious
First seen:
2022-03-14 02:17:10 UTC
File Type:
PE (.Net Dll)
Extracted files:
1
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Unpacked files
SH256 hash:
f5552ce676db6d5f5ea968bfd5d2580a64a6da0ad92b6a44de93e9ac748d62de
MD5 hash:
699f49bc599edc3dd22552785c47da3b
SHA1 hash:
2cac1d9a10326545e07c93049cbb8434e0b897a3
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

File information


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

7cc35fbce4b353c541f1ee62366248cc072d1c7ce38b1d5ef5db4a2414f26e08

YellowCockatoo

DLL dll f5552ce676db6d5f5ea968bfd5d2580a64a6da0ad92b6a44de93e9ac748d62de

(this sample)

  
Dropped by
SHA256 7cc35fbce4b353c541f1ee62366248cc072d1c7ce38b1d5ef5db4a2414f26e08
  
Delivery method
Distributed via web download

Comments