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Analysis

  • max time kernel
    154s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 08:06

General

  • Target

    SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe

  • Size

    722KB

  • MD5

    aeced37dad1530c29aed51836d7b69d6

  • SHA1

    9af1befd7e35b481d23fa6c0288b3f9ec805bb0a

  • SHA256

    116cfa58be49398e36341b622a3942f2abcfb5a60be9688f80f9e8fca3245c23

  • SHA512

    b9225e53148d1c932ae02705e6a49a1812684a7430e041ab70e2ea97414d1c8f51f26da1da23c02ef73baaab9ecc23388873082f7ec63b1c352cf27a36af6fd9

  • SSDEEP

    12288:YTEOf7RwBiSCPlrchRO5pZsBso22Fv6cx5:YTEkwiSScG5EBsLwvh

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5479139811:AAFjvrIBMkhtgUmULA2dMcFBI3ifYLrXZAc/

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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe"
      2⤵
        PID:3176
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2372

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.IL.Trojan.MSILZilla.23721.13394.12675.exe.log

      Filesize

      1KB

      MD5

      84e77a587d94307c0ac1357eb4d3d46f

      SHA1

      83cc900f9401f43d181207d64c5adba7a85edc1e

      SHA256

      e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

      SHA512

      aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

    • memory/2372-139-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2372-141-0x0000000005E90000-0x0000000005EF6000-memory.dmp

      Filesize

      408KB

    • memory/2372-142-0x0000000006970000-0x00000000069C0000-memory.dmp

      Filesize

      320KB

    • memory/2512-132-0x0000000000D90000-0x0000000000E4A000-memory.dmp

      Filesize

      744KB

    • memory/2512-133-0x0000000005080000-0x0000000005624000-memory.dmp

      Filesize

      5.6MB

    • memory/2512-134-0x0000000004B70000-0x0000000004C02000-memory.dmp

      Filesize

      584KB

    • memory/2512-135-0x0000000004C10000-0x0000000004CAC000-memory.dmp

      Filesize

      624KB

    • memory/2512-136-0x0000000006100000-0x000000000610A000-memory.dmp

      Filesize

      40KB