Overview

overview

10

Static

static

10

CalybraClo...an.exe

windows10-2004-x64

10

CalybraClo...an.exe

windows11-21h2-x64

10

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General

  • Target
    CalybraCloudGuardian.exe
  • Size 64KB
  • Sample260203-k56bbaay2e
  • SHA256 5edb168cfbf77cdb68804b35924337700a31cdfba05357e4b5b0690d4ba56f27
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
ratcalybracloudasyncrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • CalybraCloud

C2

  • lotte.co.com:443

  • lotte.co.com:80

  • lotte.co.com:8080

  • lotte.co.com:4782

  • lotte.co.com:1604

  • lotte.co.com:1337

  • www.lotte.co.com:443

  • www.lotte.co.com:80

  • www.lotte.co.com:8080

  • www.lotte.co.com:4782

  • www.lotte.co.com:1604

  • www.lotte.co.com:1337

  • www.hit-club.co.com:443

  • www.hit-club.co.com:80

  • www.hit-club.co.com:8080

  • www.hit-club.co.com:4782

  • www.hit-club.co.com:1604

  • www.hit-club.co.com:1337

  • hit-club.co.com:443

  • hit-club.co.com:80

Mutex

  • CBS_CalybraCloud_GuardianLock_4f5g6h7i

Attributes
  • delay

    1

  • install

    true

  • install_file

    CalybraCloudGuardian.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Async RAT payload 1 IoCs
    rat
  • Asyncrat family
    asyncrat
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • CalybraCloudGuardian.exe
    .exe 64KB

CalybraCloudGuardian.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 5edb168cfbf77cdb68804b35924337700a31cdfba05357e4b5b0690d4ba56f27
  • MD5 SHA1 SHA512 SSDEEP TLSH
windows:4windowsx86arch:x86

  • Async RAT payload

    rat

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
68238
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
PDB paths