Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 10:36

General

  • Target

    Bank slip.exe

  • Size

    702KB

  • MD5

    7f05bb95c72a3a2c04640f08c6155830

  • SHA1

    8f304e386725d50e52120343b811556537b8c0e8

  • SHA256

    6d5bdcfa423fb3d5e48efd687f5ce8045693421e950a897c2e586fd44c3b0bb2

  • SHA512

    2fcf0c7a9d8f1e0bb0490124f80df76815e759d07756edde315cd79baca0a328db9fcf3c24e5c9bc99ce2845034ea9f1788c6fdb3bfbd14db53805882fcbbf8a

  • SSDEEP

    12288:kjTeH81jJU+C+MjqihmAYXkBIWgJPos/gMGfNtvTEg+BQGqbJbTlbcmcKtzKV:18M+C+MukqzxYNNT3z1bxc

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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 WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
      2⤵
        PID:2624
      • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
        "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
        2⤵
          PID:2640
        • C:\Users\Admin\AppData\Local\Temp\Bank slip.exe
          "C:\Users\Admin\AppData\Local\Temp\Bank slip.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2648

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/2492-0-0x000000007486E000-0x000000007486F000-memory.dmp

              Filesize

              4KB

            • memory/2492-1-0x0000000001200000-0x00000000012B6000-memory.dmp

              Filesize

              728KB

            • memory/2492-2-0x0000000074860000-0x0000000074F4E000-memory.dmp

              Filesize

              6.9MB

            • memory/2492-3-0x0000000000420000-0x0000000000440000-memory.dmp

              Filesize

              128KB

            • memory/2492-4-0x00000000004D0000-0x00000000004E0000-memory.dmp

              Filesize

              64KB

            • memory/2492-5-0x00000000005E0000-0x00000000005F6000-memory.dmp

              Filesize

              88KB

            • memory/2492-6-0x0000000005060000-0x00000000050E2000-memory.dmp

              Filesize

              520KB

            • memory/2492-23-0x0000000074860000-0x0000000074F4E000-memory.dmp

              Filesize

              6.9MB

            • memory/2648-22-0x0000000074860000-0x0000000074F4E000-memory.dmp

              Filesize

              6.9MB

            • memory/2648-21-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/2648-24-0x0000000074860000-0x0000000074F4E000-memory.dmp

              Filesize

              6.9MB

            • memory/2648-16-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/2648-18-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/2648-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2648-12-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/2648-11-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/2648-9-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/2648-8-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/2648-25-0x0000000074860000-0x0000000074F4E000-memory.dmp

              Filesize

              6.9MB