Analysis

  • max time kernel
    144s
  • max time network
    85s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    07-07-2020 18:48

General

  • Target

    Orden de Compra OC 5740 07_2020.exe

  • Size

    835KB

  • MD5

    05040c9d88fcf3d311e2ffd326cda889

  • SHA1

    bc8d56acfc1a9e641874d02abc9656d5ee875ef1

  • SHA256

    be4792f7f371c8af4e9aed12690c8133dd745e6c4ac5cda2af61b2a94e0f9449

  • SHA512

    366a5af94776e2c06387bacc9cc0f848af4b484578f776982825508f067e7a23fa5dccc2ef104da997bb0fd8d5c02881dd22db9d3482c70851061b188288dd5b

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.corroshield.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sulastri2011

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.corroshield.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sulastri2011

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Orden de Compra OC 5740 07_2020.exe
    "C:\Users\Admin\AppData\Local\Temp\Orden de Compra OC 5740 07_2020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Local\Temp\Orden de Compra OC 5740 07_2020.exe
      "{path}"
      2⤵
        PID:2176
      • C:\Users\Admin\AppData\Local\Temp\Orden de Compra OC 5740 07_2020.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        PID:2208

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Orden de Compra OC 5740 07_2020.exe.log

      MD5

      ef140ef600b2463c9e7dbf064a104046

      SHA1

      c08fd1853877be95575ea2e860dd8cafef31f54c

      SHA256

      ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616

      SHA512

      bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c

    • memory/2208-0-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2208-1-0x0000000000446EDE-mapping.dmp