Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 01:59

General

  • Target

    1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe

  • Size

    790KB

  • MD5

    2215e1fdd4293fbc68592f04c85d55ef

  • SHA1

    b4861fdb38c1fb3e55bc21cf97a885d174c02833

  • SHA256

    1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672

  • SHA512

    79f63c59a3e0990c3601f99260120b70cea0a180807fb6a9cd3e454d086d13e14f9d7cc53b81f0642bb6c2d5e710f74eb44c584ff6945d87764e2902a5da1324

  • SSDEEP

    12288:jG4hkZ5ppiBvrwQPumRo0+wVOhRKdGb6MDaNuC4nmewzgFND1AW6CIwpDp1rDsl:jpK/Yr3PumTBdBNmmWFNDzrpDp1

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1698102386:AAGwF1zMDcFKPxdmICBbFvdWXY6IHV5KR3E/

Signatures

  • AgentTesla

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

  • 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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe
    "C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe
      "C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe"
      2⤵
        PID:1188
      • C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe
        "C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe"
        2⤵
          PID:3004
        • C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe
          "C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe"
          2⤵
            PID:1724
          • C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe
            "C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe"
            2⤵
              PID:2752
            • C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe
              "C:\Users\Admin\AppData\Local\Temp\1c8411d0dd544bd74eb6994ad731065f05d55e00e4046d29f9f9a9abde5db672.exe"
              2⤵
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2612

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2612-13-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/2612-24-0x00000000048C0000-0x0000000004900000-memory.dmp

            Filesize

            256KB

          • memory/2612-23-0x0000000074700000-0x0000000074DEE000-memory.dmp

            Filesize

            6.9MB

          • memory/2612-20-0x00000000048C0000-0x0000000004900000-memory.dmp

            Filesize

            256KB

          • memory/2612-19-0x0000000074700000-0x0000000074DEE000-memory.dmp

            Filesize

            6.9MB

          • memory/2612-17-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/2612-15-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/2612-7-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/2612-8-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/2612-9-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/2612-10-0x0000000000400000-0x0000000000444000-memory.dmp

            Filesize

            272KB

          • memory/2612-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2796-5-0x0000000000680000-0x000000000068A000-memory.dmp

            Filesize

            40KB

          • memory/2796-6-0x0000000004E20000-0x0000000004E9E000-memory.dmp

            Filesize

            504KB

          • memory/2796-1-0x0000000074700000-0x0000000074DEE000-memory.dmp

            Filesize

            6.9MB

          • memory/2796-18-0x0000000074700000-0x0000000074DEE000-memory.dmp

            Filesize

            6.9MB

          • memory/2796-4-0x0000000000670000-0x0000000000678000-memory.dmp

            Filesize

            32KB

          • memory/2796-3-0x0000000000640000-0x000000000065A000-memory.dmp

            Filesize

            104KB

          • memory/2796-2-0x0000000004870000-0x00000000048B0000-memory.dmp

            Filesize

            256KB

          • memory/2796-0-0x0000000000090000-0x000000000015C000-memory.dmp

            Filesize

            816KB