Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    13-07-2020 06:55

General

  • Target

    Order WJ200702.exe

  • Size

    565KB

  • MD5

    220eb9868bc36d7369a16381934de66c

  • SHA1

    1a60df1e7ebe11b072c6d71c86d1bb4e2e975293

  • SHA256

    c60f9a3c78588d75a17c74eac45f113259702d485d5d58ab6a5154ad424193f6

  • SHA512

    3068c2990e7ca596faab8572bc717c8c657fc7721ce9897130ebaaa791ac27a6706971872743c6cb6260bd7ae6cffaaeee001acbb62678376eb86c3856a8eccd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.kimberleygroupbd.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QDx{5M]}9]-J

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order WJ200702.exe
    "C:\Users\Admin\AppData\Local\Temp\Order WJ200702.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\odNcgiw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpACC2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:784
    • C:\Users\Admin\AppData\Local\Temp\Order WJ200702.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1080

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpACC2.tmp
    MD5

    7fcded1df65e89c69ccca23d02692cac

    SHA1

    c39ef9df7ef06c9ac4ca1cbed34f1b77444fec51

    SHA256

    5a34000fb21c2c2df1d0d8cabc2bbc13a52e3f7830908d07f444f5c339389ee3

    SHA512

    7f2bf24b0ab79f58ef08a83ddfe5cfe11bd0fea452e892c0e0032afb0c65714f275dd43c16aa65fd4672449751e7c56be726c28877e4067647430bd10de166f5

  • memory/316-1-0x0000000000000000-0x0000000000000000-disk.dmp
  • memory/784-2-0x0000000000000000-mapping.dmp
  • memory/1080-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1080-5-0x0000000000446CAE-mapping.dmp
  • memory/1080-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1080-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB