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Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/08/2023, 14:44

General

  • Target

    710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe

  • Size

    788KB

  • MD5

    1f660b2a64ea656dc74fbd81a262a398

  • SHA1

    ce67cc2c4d78f06552c2c6345bbcd745c0c51dd0

  • SHA256

    710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977

  • SHA512

    24e63a2b598ba2150c2a4f16edca82cf15a868710ba0b03f7f619fa646acf499c3995c02782610d68f02e1c2fb7fb274b10a00f6fa20bbde9d607d32f0b473db

  • SSDEEP

    24576:Lc+kcgcnAhChPD9izmUgELI9fpsbg1ISp:Lj1goVFZiyUgELaBsMi4

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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Temp\710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe"
      2⤵
        PID:4624
      • C:\Users\Admin\AppData\Local\Temp\710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe"
        2⤵
          PID:4272
        • C:\Users\Admin\AppData\Local\Temp\710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe
          "C:\Users\Admin\AppData\Local\Temp\710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4476

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\710a6daeac2efe249ea8fc44279636ac5872fff111b4408c33b215171a564977_JC.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/4476-9-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4476-18-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

        Filesize

        64KB

      • memory/4476-17-0x00000000745E0000-0x0000000074D90000-memory.dmp

        Filesize

        7.7MB

      • memory/4476-16-0x0000000007120000-0x0000000007170000-memory.dmp

        Filesize

        320KB

      • memory/4476-15-0x0000000005C10000-0x0000000005C76000-memory.dmp

        Filesize

        408KB

      • memory/4476-14-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

        Filesize

        64KB

      • memory/4476-12-0x00000000745E0000-0x0000000074D90000-memory.dmp

        Filesize

        7.7MB

      • memory/4800-8-0x0000000009DE0000-0x0000000009E7C000-memory.dmp

        Filesize

        624KB

      • memory/4800-0-0x0000000000F60000-0x000000000102A000-memory.dmp

        Filesize

        808KB

      • memory/4800-7-0x0000000005BD0000-0x0000000005BE0000-memory.dmp

        Filesize

        64KB

      • memory/4800-6-0x00000000745E0000-0x0000000074D90000-memory.dmp

        Filesize

        7.7MB

      • memory/4800-13-0x00000000745E0000-0x0000000074D90000-memory.dmp

        Filesize

        7.7MB

      • memory/4800-5-0x0000000005AC0000-0x0000000005ACA000-memory.dmp

        Filesize

        40KB

      • memory/4800-4-0x0000000005BD0000-0x0000000005BE0000-memory.dmp

        Filesize

        64KB

      • memory/4800-3-0x00000000059F0000-0x0000000005A82000-memory.dmp

        Filesize

        584KB

      • memory/4800-2-0x0000000006070000-0x0000000006614000-memory.dmp

        Filesize

        5.6MB

      • memory/4800-1-0x00000000745E0000-0x0000000074D90000-memory.dmp

        Filesize

        7.7MB