Analysis

  • max time kernel
    90s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    16-07-2020 07:15

General

  • Target

    Purchase Order Glencore International AG.exe

  • Size

    573KB

  • MD5

    111511391fa304f83c4303524a947e54

  • SHA1

    69158213529da02f3c289ec59d55926a43c7787f

  • SHA256

    3091ca40c5f5ef59fe0baa4a04e1cd0b8263b6349dd0026f3fb23893f1a0fc38

  • SHA512

    94fd1f92e92b32102e85b509b0e4a907759d46b387f0da0aef0d4f6894704f3cb8d978aa991a5c015d19d08a2be7020686cc8725280ac2407906af5f1bea6d5a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.flowtech-eng.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    RKZtqmQ*#1

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order Glencore International AG.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order Glencore International AG.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vdQWOukSBb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBDB3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1496
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order Glencore International AG.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:796

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/796-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/796-6-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/796-7-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB