Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    30/08/2024, 01:26

General

  • Target

    PO-08292024.exe

  • Size

    656KB

  • MD5

    fdb40fe39d271c947656838f2cde9d7d

  • SHA1

    3c937a5ac66dc29fe0e3e70fa3eaf75cfc180a2d

  • SHA256

    cfe2721470f3d2165536a03920786dc6ad9a85cb8efd74362be8315ed261cbef

  • SHA512

    e287affe9b05026d61b68198ebe30d94606f9a8c4276b176824262e412eb84151a5b0bee422917a3999185d7714aa06b341d9a59bcc489f8abb91eb6ede100b8

  • SSDEEP

    12288:tVVmj9iYtgaRhSTLo+s7FCiVjouzigHlmBDbajJ8nCl:5TYnhcLo+27ku0+8n

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1824
    • 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-08292024.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jpiemi.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2760
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jpiemi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB1E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2888
    • C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe"
      2⤵
        PID:2996
      • C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe"
        2⤵
          PID:2992
        • C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe
          "C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2196

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpAB1E.tmp

        Filesize

        1KB

        MD5

        7f4b2d6e0b8a8d3184c81e1e9ce8c9a7

        SHA1

        9207a96287a1c07569d6252dca385672331b9c47

        SHA256

        9e7643a42c076753b8e835536701187591ced6d6c2d9cfe198886548009fec4e

        SHA512

        5f5410fdd038ac6352177ef1a14cf2a984aa194f2bc4f36c90c70d5d85dfdb2bdb878c857058ca8c3cd48b93604d421999b5e56d78e6bc4310f7c69d33a9b3e2

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

        Filesize

        7KB

        MD5

        ebb17f32599fc5b81631bc9c8a7c74a7

        SHA1

        9f1268112c06f7ce60a6ed1835611d565fa6c544

        SHA256

        eba8f7087b4200665c4a739e992f68c5127604bebdc0cd5f8dbc6e4219b7886f

        SHA512

        9ded51ed4e398dc5cac63f4d251059a137befcc7b681c10a0f9334ee0de5c30dca0cc01e3a062c3190a44e7d1f81ded5c7d1cfac61abbdb8cedfabea2d34cbc8

      • memory/1824-4-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

        Filesize

        4KB

      • memory/1824-32-0x0000000073EE0000-0x00000000745CE000-memory.dmp

        Filesize

        6.9MB

      • memory/1824-0-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

        Filesize

        4KB

      • memory/1824-5-0x0000000073EE0000-0x00000000745CE000-memory.dmp

        Filesize

        6.9MB

      • memory/1824-6-0x0000000004DA0000-0x0000000004E22000-memory.dmp

        Filesize

        520KB

      • memory/1824-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

        Filesize

        6.9MB

      • memory/1824-1-0x00000000000F0000-0x000000000019A000-memory.dmp

        Filesize

        680KB

      • memory/1824-3-0x00000000005E0000-0x00000000005F8000-memory.dmp

        Filesize

        96KB

      • memory/2196-28-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2196-31-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2196-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2196-25-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2196-23-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2196-21-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2196-19-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/2196-29-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB