Analysis

  • max time kernel
    7s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    30-06-2022 18:55

General

  • Target

    3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe

  • Size

    16KB

  • MD5

    898f759e2ce84b634c113c4fdac2dcf7

  • SHA1

    7e779e940eec53d7152c3f70922543cc43d9a172

  • SHA256

    3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80

  • SHA512

    396d32ec522bee3c65f6555d058b8fe325919ff1b74fdd5bf29b830dbca8c91697dd5cecb09c83a6a6a3e3127dd0a6b830537bf2f983080376965292597980da

Malware Config

Signatures

  • LoaderBot

    LoaderBot is a loader written in .NET downloading and executing miners.

  • LoaderBot executable 1 IoCs
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe
    "C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1100
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f
        3⤵
        • Creates scheduled task(s)
        PID:2024

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1100-55-0x0000000000000000-mapping.dmp

  • memory/1656-54-0x00000000013E0000-0x00000000013EA000-memory.dmp

    Filesize

    40KB

  • memory/1656-56-0x0000000075781000-0x0000000075783000-memory.dmp

    Filesize

    8KB

  • memory/2024-57-0x0000000000000000-mapping.dmp