Analysis

  • max time kernel
    143s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-09-2023 12:55

General

  • Target

    ed0585b165ddf521f147f423ac2598b3_JC.exe

  • Size

    92KB

  • MD5

    ed0585b165ddf521f147f423ac2598b3

  • SHA1

    489ab8dd51a2d857ff3cbf45341d314d3058678a

  • SHA256

    e90689d3748f94db3053fdd7c2b522f4de5a3ac6277ebc9c941123c2d8af2a17

  • SHA512

    f9b7d0e87ab1d895be686b2acdbbc477b3a3639c7f8338b98b5b66384235691f94b1bde85ec9140e5bd3955faacde070abef7968c706112a81df0dc74d021345

  • SSDEEP

    1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtr/:9bfVk29te2jqxCEtg30B7

Malware Config

Extracted

Family

sakula

C2

www.savmpet.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed0585b165ddf521f147f423ac2598b3_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\ed0585b165ddf521f147f423ac2598b3_JC.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3752
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
      2⤵
      • Executes dropped EXE
      PID:924
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\ed0585b165ddf521f147f423ac2598b3_JC.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

    Filesize

    92KB

    MD5

    592bf5733384349a7551bd67cc4f1be1

    SHA1

    b1a7b27fb907aaeebd6b3a8bf1b69785d8913ece

    SHA256

    d51a4adc4a48f8593ecf0c16079465457b1f15c36b115657a128c9bd07598bc9

    SHA512

    a861b370bd0c64f05db91bce12f4d96274ec61f984178c64a764603f914a629bde72d13513b2f4cf71b0f47a505abd156aa4d38cd18d63b81335cf13ffa0f90c

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

    Filesize

    92KB

    MD5

    592bf5733384349a7551bd67cc4f1be1

    SHA1

    b1a7b27fb907aaeebd6b3a8bf1b69785d8913ece

    SHA256

    d51a4adc4a48f8593ecf0c16079465457b1f15c36b115657a128c9bd07598bc9

    SHA512

    a861b370bd0c64f05db91bce12f4d96274ec61f984178c64a764603f914a629bde72d13513b2f4cf71b0f47a505abd156aa4d38cd18d63b81335cf13ffa0f90c