Analysis

  • max time kernel
    135s
  • max time network
    91s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    30-06-2020 13:33

General

  • Target

    New Order.exe

  • Size

    449KB

  • MD5

    f5c7f1297ac03ef6c07d57a919388969

  • SHA1

    01bc800f04e4cd2febfd85024e50543297d43a56

  • SHA256

    534b616da9a48f2d2b2c28f3ee28c17e574479a9ec9d1c3182ba40daccdaca76

  • SHA512

    a78e64e6e7ec4e371759e42c35dfa6656e768873e59187ebe8763e1ea9debb020da869ed17bae71c0e3a7948452a4e37d996165f47739f0d89e555f3eadac669

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    eljefe09@yandex.ru
  • Password:
    Pussy12345

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
  • 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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3848
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KikzFnwXI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6FE6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2168
    • C:\Users\Admin\AppData\Local\Temp\New Order.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:2012

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\New Order.exe.log
      MD5

      ef140ef600b2463c9e7dbf064a104046

      SHA1

      c08fd1853877be95575ea2e860dd8cafef31f54c

      SHA256

      ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616

      SHA512

      bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c

    • C:\Users\Admin\AppData\Local\Temp\tmp6FE6.tmp
      MD5

      6600cd6bf032b3fd33a389754e94c382

      SHA1

      063dff683643e50fb0a5f657e1fe2fcb6c59c9a6

      SHA256

      4244a985237370aba8a04dc46dc881a5d19ee6bf74036fa0fc9d8b3ade0e2734

      SHA512

      8528997e514e45e31051267edfda6deb7e010c58544c53a7e2db3dba27d0dbe13503e17f28b756a6cdf3d63abc03bbf7588b3820b3727f4c380fcf5bd600533c

    • memory/2012-5-0x0000000000000000-mapping.dmp
    • memory/2168-0-0x0000000000000000-mapping.dmp
    • memory/2728-2-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/2728-3-0x000000000044C93E-mapping.dmp