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Analysis

  • max time kernel
    177s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/05/2023, 20:10

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.7804.9016.exe

  • Size

    550KB

  • MD5

    2818671e46042173af35e5f009284931

  • SHA1

    d9d410407b5e4e9735bc5d599d46adddc66648ba

  • SHA256

    6ff86780faf33da714a11fec5aa9c9eb1cff9d4ca221303e2cc3dd1847526926

  • SHA512

    223dbcff3ae2557f8342a7bcde75b20b5affd855394afe348a9378a39520a987dd0d3bc3bfbb61490b827c55f2f9742f1ea288b0e1d7085fe769cc4f981ce8ab

  • SSDEEP

    12288:doUakIXr5INZIgcSc43xNeaSyGJ8ZiVJhdD9TwH+ccUKcvb8oW/7:doU+iZE43xNo8ZITUPq

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detects Redline Stealer samples 3 IoCs

    This rule detects the presence of Redline Stealer samples based on their unique strings.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7804.9016.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7804.9016.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FTFHVHnhmLY.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1552
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FTFHVHnhmLY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA45.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2016
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7804.9016.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7804.9016.exe"
      2⤵
        PID:2576
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7804.9016.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7804.9016.exe"
        2⤵
          PID:4460
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7804.9016.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7804.9016.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:1864

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tqhwn5fn.43r.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpCA45.tmp

        Filesize

        1KB

        MD5

        da10cdb55c2f475861d86f62aaa11cbd

        SHA1

        dce666836ae79db8d5b01c04311adc11a726098b

        SHA256

        bda84a8c7be11e6d18d00ebbfc698c4533977d2cf2efa129a359ef38afa7f2e4

        SHA512

        7b04028b5b7368921a4d00493d83f043afb67a0f1d6c53c494699096366d828aa035d2e53c22cba07d1684220dd4c5fc3194f11cd3b9a3e0293acc0b7a71b5ae

      • memory/1552-159-0x00000000048C0000-0x00000000048D0000-memory.dmp

        Filesize

        64KB

      • memory/1552-166-0x00000000048C0000-0x00000000048D0000-memory.dmp

        Filesize

        64KB

      • memory/1552-188-0x0000000007450000-0x0000000007458000-memory.dmp

        Filesize

        32KB

      • memory/1552-187-0x0000000007470000-0x000000000748A000-memory.dmp

        Filesize

        104KB

      • memory/1552-186-0x0000000007360000-0x000000000736E000-memory.dmp

        Filesize

        56KB

      • memory/1552-145-0x0000000004850000-0x0000000004886000-memory.dmp

        Filesize

        216KB

      • memory/1552-183-0x00000000073B0000-0x0000000007446000-memory.dmp

        Filesize

        600KB

      • memory/1552-147-0x0000000004F00000-0x0000000005528000-memory.dmp

        Filesize

        6.2MB

      • memory/1552-165-0x0000000005E30000-0x0000000005E4E000-memory.dmp

        Filesize

        120KB

      • memory/1552-182-0x00000000071A0000-0x00000000071AA000-memory.dmp

        Filesize

        40KB

      • memory/1552-150-0x0000000005720000-0x0000000005786000-memory.dmp

        Filesize

        408KB

      • memory/1552-152-0x0000000005800000-0x0000000005866000-memory.dmp

        Filesize

        408KB

      • memory/1552-181-0x000000007F230000-0x000000007F240000-memory.dmp

        Filesize

        64KB

      • memory/1552-180-0x0000000007130000-0x000000000714A000-memory.dmp

        Filesize

        104KB

      • memory/1552-179-0x0000000007780000-0x0000000007DFA000-memory.dmp

        Filesize

        6.5MB

      • memory/1552-178-0x00000000063F0000-0x000000000640E000-memory.dmp

        Filesize

        120KB

      • memory/1552-149-0x0000000004E50000-0x0000000004E72000-memory.dmp

        Filesize

        136KB

      • memory/1552-160-0x00000000048C0000-0x00000000048D0000-memory.dmp

        Filesize

        64KB

      • memory/1552-167-0x0000000006E10000-0x0000000006E42000-memory.dmp

        Filesize

        200KB

      • memory/1552-168-0x00000000704F0000-0x000000007053C000-memory.dmp

        Filesize

        304KB

      • memory/1864-155-0x0000000004E90000-0x0000000004EA0000-memory.dmp

        Filesize

        64KB

      • memory/1864-148-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/1864-184-0x0000000006B80000-0x0000000006BD0000-memory.dmp

        Filesize

        320KB

      • memory/1864-185-0x0000000006E20000-0x0000000006FE2000-memory.dmp

        Filesize

        1.8MB

      • memory/1864-191-0x0000000004E90000-0x0000000004EA0000-memory.dmp

        Filesize

        64KB

      • memory/3716-134-0x0000000000170000-0x00000000001FE000-memory.dmp

        Filesize

        568KB

      • memory/3716-137-0x0000000004B90000-0x0000000004B9A000-memory.dmp

        Filesize

        40KB

      • memory/3716-135-0x00000000051A0000-0x0000000005744000-memory.dmp

        Filesize

        5.6MB

      • memory/3716-136-0x0000000004BF0000-0x0000000004C82000-memory.dmp

        Filesize

        584KB

      • memory/3716-140-0x0000000006800000-0x000000000689C000-memory.dmp

        Filesize

        624KB

      • memory/3716-139-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

        Filesize

        64KB

      • memory/3716-138-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

        Filesize

        64KB