Analysis

  • max time kernel
    120s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2024, 01:19

General

  • Target

    ffdd8588a4da494a7070a25347917227efc01fe55a6bb38d693dd1307893264e.exe

  • Size

    757KB

  • MD5

    c171e05a7a1323d4e061dda993ce0351

  • SHA1

    30d1f81d95b850248c6a891f724769d45448047c

  • SHA256

    ffdd8588a4da494a7070a25347917227efc01fe55a6bb38d693dd1307893264e

  • SHA512

    3d35a27211e4404a1da8a1c0b07183df8f5096f2f4ca0211f6544ec1c148abdec47acba7bb75087dd663d80540bd89ea1658c86b290c32fca60a01c5de0dfb32

  • SSDEEP

    12288:Kd1JsJ6S0d1Sh2iNwC8kpSm0uZ68dhIan5rNnz4pcOVTNpmj28ZE5y1Ig4F54KGm:Kdjw1G3kpyuZXHVBuWj2kgCIgw2PwDrz

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 3 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\ffdd8588a4da494a7070a25347917227efc01fe55a6bb38d693dd1307893264e.exe
    "C:\Users\Admin\AppData\Local\Temp\ffdd8588a4da494a7070a25347917227efc01fe55a6bb38d693dd1307893264e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2388
    • 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\ffdd8588a4da494a7070a25347917227efc01fe55a6bb38d693dd1307893264e.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ueCgcuZwO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ueCgcuZwO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB117.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\ffdd8588a4da494a7070a25347917227efc01fe55a6bb38d693dd1307893264e.exe
      "C:\Users\Admin\AppData\Local\Temp\ffdd8588a4da494a7070a25347917227efc01fe55a6bb38d693dd1307893264e.exe"
      2⤵
        PID:2528
      • C:\Users\Admin\AppData\Local\Temp\ffdd8588a4da494a7070a25347917227efc01fe55a6bb38d693dd1307893264e.exe
        "C:\Users\Admin\AppData\Local\Temp\ffdd8588a4da494a7070a25347917227efc01fe55a6bb38d693dd1307893264e.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1708

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmpB117.tmp

            Filesize

            1KB

            MD5

            0954186cb3196005971d4894c8dc10e2

            SHA1

            13f0167fe4b031c77fead8a4cdd9bbb4aec682dd

            SHA256

            0e2ff272b45c3db82c45ed6535310063ce45e62b8bfad25787d9be24bd783c14

            SHA512

            43eab78a557ddb30c68c4de6c9811ff9c0facacea18429f7503f35cabc5f5800f30655a5c6bf917cd5a30c75f1aade003bb0cc129aa1187bca3dd15a7d192ad5

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

            Filesize

            7KB

            MD5

            3c13d7e4a0db0db7d862e7f3a6cef821

            SHA1

            bb1dcaaa1217b5cce0b60853ff876a8104442a59

            SHA256

            5c8d8c9d61028fbaca4d35ae462bf961ee9c43ddc24ee7e4fe47ca21af392ba6

            SHA512

            df299f07368fb2c61be084869a90c9d20322c045ca08550240ae76f8193480d60ba40e51808aad751475a5830aa0217fb3bf880f15ef8228f507220563fc45c5

          • memory/1708-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/1708-19-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1708-36-0x0000000004A70000-0x0000000004AB0000-memory.dmp

            Filesize

            256KB

          • memory/1708-38-0x0000000074AE0000-0x00000000751CE000-memory.dmp

            Filesize

            6.9MB

          • memory/1708-42-0x0000000004A70000-0x0000000004AB0000-memory.dmp

            Filesize

            256KB

          • memory/1708-43-0x0000000074AE0000-0x00000000751CE000-memory.dmp

            Filesize

            6.9MB

          • memory/1708-18-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1708-27-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1708-20-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1708-21-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1708-29-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1708-25-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1904-37-0x0000000002350000-0x0000000002390000-memory.dmp

            Filesize

            256KB

          • memory/1904-32-0x000000006F670000-0x000000006FC1B000-memory.dmp

            Filesize

            5.7MB

          • memory/1904-40-0x000000006F670000-0x000000006FC1B000-memory.dmp

            Filesize

            5.7MB

          • memory/1904-39-0x0000000002350000-0x0000000002390000-memory.dmp

            Filesize

            256KB

          • memory/2388-30-0x0000000074AE0000-0x00000000751CE000-memory.dmp

            Filesize

            6.9MB

          • memory/2388-0-0x0000000000BC0000-0x0000000000C7C000-memory.dmp

            Filesize

            752KB

          • memory/2388-5-0x0000000005100000-0x0000000005184000-memory.dmp

            Filesize

            528KB

          • memory/2388-4-0x0000000000820000-0x000000000082C000-memory.dmp

            Filesize

            48KB

          • memory/2388-3-0x0000000000800000-0x0000000000812000-memory.dmp

            Filesize

            72KB

          • memory/2388-2-0x00000000049E0000-0x0000000004A20000-memory.dmp

            Filesize

            256KB

          • memory/2388-1-0x0000000074AE0000-0x00000000751CE000-memory.dmp

            Filesize

            6.9MB

          • memory/2612-33-0x00000000025B0000-0x00000000025F0000-memory.dmp

            Filesize

            256KB

          • memory/2612-34-0x000000006F670000-0x000000006FC1B000-memory.dmp

            Filesize

            5.7MB

          • memory/2612-35-0x00000000025B0000-0x00000000025F0000-memory.dmp

            Filesize

            256KB

          • memory/2612-31-0x000000006F670000-0x000000006FC1B000-memory.dmp

            Filesize

            5.7MB

          • memory/2612-41-0x000000006F670000-0x000000006FC1B000-memory.dmp

            Filesize

            5.7MB