Analysis

  • max time kernel
    40s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:30

General

  • Target

    Order No.505 DTD.exe

  • Size

    444KB

  • MD5

    237cf4055624a01d2c1852e1bf3f3671

  • SHA1

    e448bf4178d635b22338a412666023f7d482605d

  • SHA256

    638e2506675b6963358990b817617b7269f31521a9a4ffb6745bfcbfc6366034

  • SHA512

    ffbb399a54b356f075a600a1ff3eab6fd747eb1b5f8c18c2a0e16a1bf5d3b0d3cf43be4406b0581cc7349a916f86760f218261a9652fb33a796fedb76eec195b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chukwudi123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order No.505 DTD.exe
    "C:\Users\Admin\AppData\Local\Temp\Order No.505 DTD.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\Order No.505 DTD.exe
      "{path}"
      2⤵
        PID:1832
      • C:\Users\Admin\AppData\Local\Temp\Order No.505 DTD.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1840

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1684-54-0x0000000074F91000-0x0000000074F93000-memory.dmp
      Filesize

      8KB

    • memory/1684-55-0x0000000073FB0000-0x000000007455B000-memory.dmp
      Filesize

      5.7MB

    • memory/1840-56-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1840-57-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1840-60-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1840-59-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1840-61-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1840-62-0x0000000000449E3E-mapping.dmp
    • memory/1840-64-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1840-66-0x0000000000400000-0x000000000044E000-memory.dmp
      Filesize

      312KB

    • memory/1840-68-0x0000000073FB0000-0x000000007455B000-memory.dmp
      Filesize

      5.7MB