Analysis

  • max time kernel
    89s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:50

General

  • Target

    9758a1ed3f47022f27a6c1a4490d81a1.exe

  • Size

    844KB

  • MD5

    9758a1ed3f47022f27a6c1a4490d81a1

  • SHA1

    6ac703af0a201398cc137ac9f06e18a1dbc153d2

  • SHA256

    cf245d962d603ab9dca4b815963b2a21c8e13fc447d58f3d22a21d9841c46f03

  • SHA512

    0b5808ed7a101eeaaecb8c91c0032f79020aae919fe67a053b8a1ce9c432409fb14abc9326fdcb8d6a4ecc1e9d221b5f0f8446a839435a0429d6f5bf7e42d7ee

  • SSDEEP

    12288:OAJYsZ1DX/VDJtV7TZ0k13kc38MPWd2p34dpDd7P5XAfJ0:3JYknZV8My2poPx75k0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.apexfinanceuk.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    2OQWAS!z@H!!dTQ

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
  • 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\9758a1ed3f47022f27a6c1a4490d81a1.exe
    "C:\Users\Admin\AppData\Local\Temp\9758a1ed3f47022f27a6c1a4490d81a1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Users\Admin\AppData\Local\Temp\9758a1ed3f47022f27a6c1a4490d81a1.exe
      "C:\Users\Admin\AppData\Local\Temp\9758a1ed3f47022f27a6c1a4490d81a1.exe"
      2⤵
        PID:848
      • C:\Users\Admin\AppData\Local\Temp\9758a1ed3f47022f27a6c1a4490d81a1.exe
        "C:\Users\Admin\AppData\Local\Temp\9758a1ed3f47022f27a6c1a4490d81a1.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:624

    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/624-64-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/624-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/624-70-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/624-68-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/624-65-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/624-61-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/624-66-0x0000000000437BDE-mapping.dmp
    • memory/624-60-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/980-55-0x0000000075811000-0x0000000075813000-memory.dmp
      Filesize

      8KB

    • memory/980-54-0x0000000001110000-0x00000000011EA000-memory.dmp
      Filesize

      872KB

    • memory/980-59-0x0000000000F70000-0x0000000000FAC000-memory.dmp
      Filesize

      240KB

    • memory/980-58-0x0000000004F50000-0x0000000004FC8000-memory.dmp
      Filesize

      480KB

    • memory/980-57-0x0000000000390000-0x000000000039C000-memory.dmp
      Filesize

      48KB

    • memory/980-56-0x00000000006A0000-0x00000000006B8000-memory.dmp
      Filesize

      96KB