Analysis

  • max time kernel
    113s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2023, 08:14

General

  • Target

    952109.exe

  • Size

    608KB

  • MD5

    b02a2c727669042df1cc5703c5d42be0

  • SHA1

    be9e1b34956555ff2629028dd9a452c903c058ea

  • SHA256

    f7e5bc980e9a7659ba8aedcb0e5ec208b13d807657ceaeb276db2f5ddeb0b2cf

  • SHA512

    3e9dc9d7abe0db1fb5ba8b63e3d18e9e0f6caaa96737202e7394ceac40b14f5543675c019ae06180761999b8528ef9901c07a02ae2e6eede8134af5023a9fa36

  • SSDEEP

    12288:t+atNytJqm0jvktQJavoD8sKz0jNQVP2SY6gd5q:0aStJq/rktQ4IKz0jNC2z/q

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Adds Run key to start application 2 TTPs 1 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\952109.exe
    "C:\Users\Admin\AppData\Local\Temp\952109.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Users\Admin\AppData\Local\Temp\952109.exe
      "C:\Users\Admin\AppData\Local\Temp\952109.exe"
      2⤵
        PID:2968
      • C:\Users\Admin\AppData\Local\Temp\952109.exe
        "C:\Users\Admin\AppData\Local\Temp\952109.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2948

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2880-0-0x00000000002F0000-0x000000000038E000-memory.dmp

            Filesize

            632KB

          • memory/2880-1-0x00000000744D0000-0x0000000074BBE000-memory.dmp

            Filesize

            6.9MB

          • memory/2880-2-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

            Filesize

            256KB

          • memory/2880-3-0x00000000002E0000-0x00000000002F2000-memory.dmp

            Filesize

            72KB

          • memory/2880-4-0x00000000744D0000-0x0000000074BBE000-memory.dmp

            Filesize

            6.9MB

          • memory/2880-5-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

            Filesize

            256KB

          • memory/2880-6-0x0000000000440000-0x000000000044E000-memory.dmp

            Filesize

            56KB

          • memory/2880-7-0x0000000005030000-0x00000000050AA000-memory.dmp

            Filesize

            488KB

          • memory/2880-22-0x00000000744D0000-0x0000000074BBE000-memory.dmp

            Filesize

            6.9MB

          • memory/2948-17-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-19-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-15-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-20-0x00000000744D0000-0x0000000074BBE000-memory.dmp

            Filesize

            6.9MB

          • memory/2948-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2948-11-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-10-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-8-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-9-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2948-21-0x0000000000970000-0x00000000009B0000-memory.dmp

            Filesize

            256KB

          • memory/2948-25-0x00000000744D0000-0x0000000074BBE000-memory.dmp

            Filesize

            6.9MB

          • memory/2948-26-0x0000000000970000-0x00000000009B0000-memory.dmp

            Filesize

            256KB