Analysis

  • max time kernel
    143s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    15-09-2021 07:21

General

  • Target

    shipment.exe

  • Size

    512KB

  • MD5

    6dc1e7e8687a813e5c8fb0ec2c874f1e

  • SHA1

    e87e4d3287c2721d5b6bf2def8bbfba3ac629130

  • SHA256

    c4dd68e2846d2d45a1e04a402a7a70a02a993f7da7eca9febd34a8cb7fd3e91c

  • SHA512

    767f7a76006ddc233e1026f99458a1543f8bc02a7fc4355ccddc54bdd245ebdf5dbd39b8fe131ce19e48c222897e4df8b224e2ce2cb77522d3fbeab4b6422a8a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dm-teh.com
  • Port:
    587
  • Username:
    office@dm-teh.com
  • Password:
    Vm@(O;CO.vEQ

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shipment.exe
    "C:\Users\Admin\AppData\Local\Temp\shipment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Users\Admin\AppData\Local\Temp\shipment.exe
      "C:\Users\Admin\AppData\Local\Temp\shipment.exe"
      2⤵
        PID:392
      • C:\Users\Admin\AppData\Local\Temp\shipment.exe
        "C:\Users\Admin\AppData\Local\Temp\shipment.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1056

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1056-60-0x000000000043765E-mapping.dmp
    • memory/1056-59-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1056-61-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1056-63-0x0000000004BE0000-0x0000000004BE1000-memory.dmp
      Filesize

      4KB

    • memory/1056-64-0x0000000004BE1000-0x0000000004BE2000-memory.dmp
      Filesize

      4KB

    • memory/1908-53-0x0000000000950000-0x0000000000951000-memory.dmp
      Filesize

      4KB

    • memory/1908-55-0x00000000005A0000-0x00000000005A1000-memory.dmp
      Filesize

      4KB

    • memory/1908-56-0x00000000002B0000-0x00000000002B7000-memory.dmp
      Filesize

      28KB

    • memory/1908-57-0x0000000005C00000-0x0000000005C71000-memory.dmp
      Filesize

      452KB

    • memory/1908-58-0x0000000005000000-0x0000000005052000-memory.dmp
      Filesize

      328KB