MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d289ec1bb210e213d20fb8684fc5c3d0f3d7e63c193b8bb0665ddedfc0ec292. 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


CobaltStrike


Vendor detections: 8


Intelligence 8 IOCs YARA 31 File information Comments
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SHA256 hash: 8d289ec1bb210e213d20fb8684fc5c3d0f3d7e63c193b8bb0665ddedfc0ec292
SHA3-384 hash: 1d942eb258e46cd38c3e0d1e4d746ba0434b0a88b2701be34319694aca8c524ff6494aa9a73c6d8ea6abbfca74f7c731
SHA1 hash: bc5ec6fcd1dddb2791c46f8b142f3ca55d1b80bd
MD5 hash: 3b3d40f82f51f78be3c2ad9a0e2d1d59
humanhash: freddie-lima-low-washington
File name:ChromeUpdate.zip
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:3'652'200 bytes
First seen:2025-11-05 04:44:02 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 98304:GAB6m1v6li2pB9QOzFbGKj6C+mE6hbzi4/c2RqW:G+xJ6liS0wr67mE6hZvRqW
TLSH T102F533C8686AD8F101DC36B5A7D6A18311EE281FBDC8D39983B59094DC0E7FC5F7A815
Magika zip
Reporter BlinkzSec
Tags:CobaltStrike zip

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
RO RO
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Lazy.429396.29217.17076.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690ad643706befaf4ecbca32
Tags:
ransomware injection shellcode vmdetect
Result
Verdict:
Suspicious
File Type:
PE File
Link:
https://app.docguard.net/8d289ec1bb210e213d20fb8684fc5c3d0f3d7e63c193b8bb0665ddedfc0ec292/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm crypto expired-cert golang invalid-signature obfuscated overlay revoked-cert signed unsafe
Link:
https://www.filescan.io/uploads/690ad664393eed3f38e40226/reports/75ef024b-c0cc-4650-ae6e-2a4dcaa73e13/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8d289ec1bb210e213d20fb8684fc5c3d0f3d7e63c193b8bb0665ddedfc0ec292
Verdict:
Malicious
File Type:
zip
First seen:
2025-11-05T00:12:00Z UTC
Last seen:
2025-11-05T15:21:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8d289ec1bb210e213d20fb8684fc5c3d0f3d7e63c193b8bb0665ddedfc0ec292/results?tab=lookup
Score:
33%
Verdict:
Susipicious
File Type:
ARCHIVE
Link:
https://malprob.io/report/8d289ec1bb210e213d20fb8684fc5c3d0f3d7e63c193b8bb0665ddedfc0ec292
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Zip Archive
Link:
https://app.malva.re/file/3b3d40f82f51f78be3c2ad9a0e2d1d59
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d289ec1bb210e213d20fb8684fc5c3d0f3d7e63c193b8bb0665ddedfc0ec292/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ruuj5qn3eehccpja7odij7c4huht27tdygj3roygmxo637aoykja._file
Result
Malware family:
cobaltstrike
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Score:
  10/10
Tags:
family:cobaltstrike botnet:100000 backdoor trojan
Link:
https://tria.ge/reports/251105-h9t3qsev8e/
Behaviour
Cobaltstrike
Cobaltstrike family
Malware Config
C2 Extraction:
http://cdn.huaweicloud.help:443/jquery-3.3.1.min.js
http://:3699072887�
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8d289ec1bb210e213d20fb8684fc5c3d0f3d7e63c193b8bb0665ddedfc0ec292

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:AlternativesExample1
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Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:command_and_control
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Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
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Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
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Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
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Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:Glupteba
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Rule name:GoBinTest
Create hunting rule
Rule name:golang
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Rule name:Golangmalware
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Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
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Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
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Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
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Rule name:HiveRansomware
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Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
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Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:PE_Digital_Certificate
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Author:albertzsigovits
Rule name:ProgramLanguage_Golang
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Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
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Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_CMD_Powershell_Usage
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Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

CobaltStrike

zip 8d289ec1bb210e213d20fb8684fc5c3d0f3d7e63c193b8bb0665ddedfc0ec292

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3696570/
  
Delivery method
Distributed via web download

Comments