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Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2024, 01:29

General

  • Target

    PO 20078990017432988476.exe

  • Size

    722KB

  • MD5

    31bd10b45a914ae0a1970a09841ca2d9

  • SHA1

    179a360096552c8940107052bb5d1aa216f36f72

  • SHA256

    698fe043efc551bc9c522c8fbc38de3faeefa94a5ce5592863bacbda611f04e0

  • SHA512

    db8cad54866691607c9f47432aaaf6aa97faa1894a7b5bca623c7991c8a021971766302d731df3a090768e96a946a336805af3a5102f16e4237e48a38d650207

  • SSDEEP

    12288:flW3YDmzBh35cqFnG0/D0HPddOBQEYrDTm60aa3C7X/SpIkR:KBvZb0HlsBQXPi60N3C7i

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 1 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 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IqTgicbK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IqTgicbK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F22.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2540
    • C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe"
      2⤵
        PID:2404
      • C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe
        "C:\Users\Admin\AppData\Local\Temp\PO 20078990017432988476.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2424

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3F22.tmp

      Filesize

      1KB

      MD5

      fe9e4efc8346ee7b9619b658d54e6ea2

      SHA1

      f06b2bc9800d162046e240692a40408c3209175d

      SHA256

      5e20f8176767c7baac24a0870d87922a6c7fe377d6530e617ff3c86e8a021e1b

      SHA512

      9abc94dc4a899d4f0432b53acb9fca8806bf11f18e1e8f63f3bf9b4204c4efe0d81eeab53db46fc9f2119d1bbd30c46852eb9f06de037b0b35d6a85ef1f46b76

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      a297b8d0b448d77e692107da2cedc484

      SHA1

      b59489ccfec8e4a74a9913473c8a829ac66bafde

      SHA256

      b75bdb4a0afda410f26f6d0c71601b782031ecd633748377b01248dabb75aca0

      SHA512

      75882fe51388d4a2a9006553774cfa9bac72892eb85ee55dfbe3ef2693f1f358c35c3a85f4b897fad97954692b9e2bd57e8e2ad3145321c8e4b5ebb4f9d07c5c

    • memory/1544-0-0x0000000001280000-0x0000000001338000-memory.dmp

      Filesize

      736KB

    • memory/1544-1-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB

    • memory/1544-2-0x0000000004C80000-0x0000000004CC0000-memory.dmp

      Filesize

      256KB

    • memory/1544-3-0x00000000002E0000-0x0000000000300000-memory.dmp

      Filesize

      128KB

    • memory/1544-4-0x0000000000300000-0x000000000030E000-memory.dmp

      Filesize

      56KB

    • memory/1544-5-0x0000000000310000-0x0000000000322000-memory.dmp

      Filesize

      72KB

    • memory/1544-6-0x0000000004CC0000-0x0000000004D44000-memory.dmp

      Filesize

      528KB

    • memory/1544-32-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2424-29-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2424-41-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2424-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2424-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2424-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2424-31-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2424-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2424-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2424-46-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2424-45-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

      Filesize

      256KB

    • memory/2424-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2632-39-0x0000000002E50000-0x0000000002E90000-memory.dmp

      Filesize

      256KB

    • memory/2632-38-0x0000000002E50000-0x0000000002E90000-memory.dmp

      Filesize

      256KB

    • memory/2632-42-0x000000006ED60000-0x000000006F30B000-memory.dmp

      Filesize

      5.7MB

    • memory/2632-44-0x000000006ED60000-0x000000006F30B000-memory.dmp

      Filesize

      5.7MB

    • memory/2632-34-0x000000006ED60000-0x000000006F30B000-memory.dmp

      Filesize

      5.7MB

    • memory/2648-36-0x0000000002B30000-0x0000000002B70000-memory.dmp

      Filesize

      256KB

    • memory/2648-37-0x000000006ED60000-0x000000006F30B000-memory.dmp

      Filesize

      5.7MB

    • memory/2648-40-0x0000000002B30000-0x0000000002B70000-memory.dmp

      Filesize

      256KB

    • memory/2648-35-0x0000000002B30000-0x0000000002B70000-memory.dmp

      Filesize

      256KB

    • memory/2648-43-0x000000006ED60000-0x000000006F30B000-memory.dmp

      Filesize

      5.7MB

    • memory/2648-33-0x000000006ED60000-0x000000006F30B000-memory.dmp

      Filesize

      5.7MB