Analysis

  • max time kernel
    61s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2023, 02:41

General

  • Target

    5cc0c336fc38231f8220dd959fe7ccee.exe

  • Size

    687KB

  • MD5

    5cc0c336fc38231f8220dd959fe7ccee

  • SHA1

    62c75a782b20545b29c879bc8c3f6307dd588111

  • SHA256

    010493b98e6676ace7201480f106d8b348aac9118755a5f55137b410dbf31d0c

  • SHA512

    181b59a15572f7261e96820ea62c6df57fd2ef5168e23947f8fed1034f24f45936c3521e2db79272ffd4f24a364c2ae2264f1e2d5240d534167d67381e8a9dde

  • SSDEEP

    12288:Mg+Voi1HDSFR7XFHgAIa8PHWm81DNCdGKOotgtUG:VSHDah8PHWmmuxCU

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe
    "C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe
      "C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe"
      2⤵
        PID:4072
      • C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe
        "C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe"
        2⤵
          PID:4896
        • C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe
          "C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe"
          2⤵
            PID:1116
          • C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe
            "C:\Users\Admin\AppData\Local\Temp\5cc0c336fc38231f8220dd959fe7ccee.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:1552

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5cc0c336fc38231f8220dd959fe7ccee.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/1552-140-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/1552-148-0x0000000005460000-0x0000000005470000-memory.dmp

          Filesize

          64KB

        • memory/1552-147-0x00000000071F0000-0x00000000073B2000-memory.dmp

          Filesize

          1.8MB

        • memory/1552-146-0x0000000006FD0000-0x0000000007020000-memory.dmp

          Filesize

          320KB

        • memory/1552-144-0x0000000005460000-0x0000000005470000-memory.dmp

          Filesize

          64KB

        • memory/1552-143-0x00000000054E0000-0x0000000005546000-memory.dmp

          Filesize

          408KB

        • memory/3876-136-0x00000000057D0000-0x00000000057E0000-memory.dmp

          Filesize

          64KB

        • memory/3876-139-0x0000000007800000-0x000000000789C000-memory.dmp

          Filesize

          624KB

        • memory/3876-138-0x00000000057D0000-0x00000000057E0000-memory.dmp

          Filesize

          64KB

        • memory/3876-137-0x00000000058F0000-0x00000000058FA000-memory.dmp

          Filesize

          40KB

        • memory/3876-133-0x0000000000DD0000-0x0000000000E82000-memory.dmp

          Filesize

          712KB

        • memory/3876-135-0x0000000005840000-0x00000000058D2000-memory.dmp

          Filesize

          584KB

        • memory/3876-134-0x0000000005F30000-0x00000000064D4000-memory.dmp

          Filesize

          5.6MB