Analysis

  • max time kernel
    87s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 14:39

General

  • Target

    4 Pallet Shipping Docs.Commercial Invoice. Packing List. Bill of LandingTHS00945890370378494789.exe

  • Size

    605KB

  • MD5

    8c4310091d5d956a84694e96f763b090

  • SHA1

    d4177b3f09cf8f15a1be26ecb75f56eacca5ef1b

  • SHA256

    9ff56d0d7ffad36dbc36e4df7eb4440b2a72a463d51f705f81577bcf45a90b2f

  • SHA512

    f967459e528534b96c153923029de06a5eecdcda1de65dddc75fb9f7c7ceba34900c8bca2929ee34af88648e3b09b0137189320084b9d4bd1667b8773cee0ec1

  • SSDEEP

    6144:qnqdmWp/J+DZaYieGmEJl55R6/QAqvK0++8uIcli5Vi12H9UtbZLFTQqy0F1x+Aw:0qoVYdrM/mvKD+w1faLF0fwx+Aih

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.absmetals.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Market#2021

Signatures

  • AgentTesla

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

  • 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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4 Pallet Shipping Docs.Commercial Invoice. Packing List. Bill of LandingTHS00945890370378494789.exe
    "C:\Users\Admin\AppData\Local\Temp\4 Pallet Shipping Docs.Commercial Invoice. Packing List. Bill of LandingTHS00945890370378494789.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\4 Pallet Shipping Docs.Commercial Invoice. Packing List. Bill of LandingTHS00945890370378494789.exe
      "C:\Users\Admin\AppData\Local\Temp\4 Pallet Shipping Docs.Commercial Invoice. Packing List. Bill of LandingTHS00945890370378494789.exe"
      2⤵
        PID:1124
      • C:\Users\Admin\AppData\Local\Temp\4 Pallet Shipping Docs.Commercial Invoice. Packing List. Bill of LandingTHS00945890370378494789.exe
        "C:\Users\Admin\AppData\Local\Temp\4 Pallet Shipping Docs.Commercial Invoice. Packing List. Bill of LandingTHS00945890370378494789.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1096

    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/852-54-0x0000000000090000-0x000000000012E000-memory.dmp
      Filesize

      632KB

    • memory/852-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
      Filesize

      8KB

    • memory/852-56-0x00000000002A0000-0x00000000002B6000-memory.dmp
      Filesize

      88KB

    • memory/852-57-0x0000000000310000-0x000000000031E000-memory.dmp
      Filesize

      56KB

    • memory/852-58-0x0000000007F00000-0x0000000007F76000-memory.dmp
      Filesize

      472KB

    • memory/852-59-0x00000000005B0000-0x00000000005EC000-memory.dmp
      Filesize

      240KB

    • memory/1096-60-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1096-61-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1096-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1096-64-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1096-65-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1096-66-0x0000000000437D8E-mapping.dmp
    • memory/1096-70-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1096-68-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB