Analysis

  • max time kernel
    122s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2024 01:05

General

  • Target

    PURCHASE ORDER.exe

  • Size

    670KB

  • MD5

    0e2cf387d4c9e428e4fe7426267dcf78

  • SHA1

    6b9d263c151a33ed3f4a190ff946d52220e0f4f9

  • SHA256

    4f632d095e16ece2c5dfae8a7960012ae4c94d5d8420c1a4370161d7eb2cf16d

  • SHA512

    fb006aefc41f72b39ab9c6d45056af8bc8c52ade79aa4991977535632075ee555d74495eae741c9a19c28461d3da853d8d07d8ceaba8364c0e2fdd46d614ccc4

  • SSDEEP

    12288:B7NtLK1lOYgzMEcgyAZx94KgLGeq/tsWzsCywR8Sk4:hicNQ+xCKaGhloPT

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.

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2928
    • 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\PURCHASE ORDER.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2672
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SOhaQHvG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SOhaQHvG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCEE3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2588
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
      2⤵
        PID:584
      • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
        "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
        2⤵
          PID:268
        • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
          "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:544

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Scheduled Task/Job

      1
      T1053

      Persistence

      Scheduled Task/Job

      1
      T1053

      Privilege Escalation

      Scheduled Task/Job

      1
      T1053

      Credential Access

      Unsecured Credentials

      4
      T1552

      Credentials In Files

      3
      T1552.001

      Credentials in Registry

      1
      T1552.002

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      4
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpCEE3.tmp
        Filesize

        1KB

        MD5

        de9b0da52df7948717c21944388c283a

        SHA1

        376a1e01fc73702fc7101fd5f2abd4fbd4404a16

        SHA256

        edac50c86f750749672957de48de936ab2a972bd8303c1bf606341eeece83e34

        SHA512

        215d49a4bd26b9a3e39961716ff64932683a88040dd85c2c413cd6c8f1e276f254b49b8009aab8a52719d269b65f1a622e49edd09ac2e442f8551f57a296a3c7

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\960I7EA9C57SLM6JS4KX.temp
        Filesize

        7KB

        MD5

        b6b5b3f5a51cc8f55573fa08ec49ce4e

        SHA1

        a1d7324afd54334968bf7c6b9108e050ccc56bc4

        SHA256

        49d9ae1ab8cc958770ded0a04ca75f997799bbfb922c792bbc47362e66939dce

        SHA512

        5379a892cdaf3c778c5c24c5874103a72a24ede2fb9d17425a307b879d83dfae8b5d11f199ee03f1afc447a94249c2bb50a17f930f12fc4b26817c24eb89d4c8

      • memory/544-30-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/544-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
        Filesize

        4KB

      • memory/544-32-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/544-42-0x0000000074E90000-0x000000007557E000-memory.dmp
        Filesize

        6.9MB

      • memory/544-46-0x0000000074E90000-0x000000007557E000-memory.dmp
        Filesize

        6.9MB

      • memory/544-28-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/544-18-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/544-20-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/544-22-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/544-24-0x0000000000400000-0x0000000000440000-memory.dmp
        Filesize

        256KB

      • memory/2672-38-0x000000006FD20000-0x00000000702CB000-memory.dmp
        Filesize

        5.7MB

      • memory/2672-40-0x0000000001D90000-0x0000000001DD0000-memory.dmp
        Filesize

        256KB

      • memory/2672-45-0x000000006FD20000-0x00000000702CB000-memory.dmp
        Filesize

        5.7MB

      • memory/2672-36-0x0000000001D90000-0x0000000001DD0000-memory.dmp
        Filesize

        256KB

      • memory/2672-35-0x000000006FD20000-0x00000000702CB000-memory.dmp
        Filesize

        5.7MB

      • memory/2672-43-0x0000000001D90000-0x0000000001DD0000-memory.dmp
        Filesize

        256KB

      • memory/2712-44-0x000000006FD20000-0x00000000702CB000-memory.dmp
        Filesize

        5.7MB

      • memory/2712-34-0x000000006FD20000-0x00000000702CB000-memory.dmp
        Filesize

        5.7MB

      • memory/2712-37-0x0000000002660000-0x00000000026A0000-memory.dmp
        Filesize

        256KB

      • memory/2712-41-0x0000000002660000-0x00000000026A0000-memory.dmp
        Filesize

        256KB

      • memory/2712-39-0x000000006FD20000-0x00000000702CB000-memory.dmp
        Filesize

        5.7MB

      • memory/2928-3-0x0000000000570000-0x000000000058A000-memory.dmp
        Filesize

        104KB

      • memory/2928-1-0x0000000074E90000-0x000000007557E000-memory.dmp
        Filesize

        6.9MB

      • memory/2928-5-0x0000000004E90000-0x0000000004F12000-memory.dmp
        Filesize

        520KB

      • memory/2928-33-0x0000000074E90000-0x000000007557E000-memory.dmp
        Filesize

        6.9MB

      • memory/2928-4-0x0000000000510000-0x000000000051C000-memory.dmp
        Filesize

        48KB

      • memory/2928-2-0x0000000004D60000-0x0000000004DA0000-memory.dmp
        Filesize

        256KB

      • memory/2928-0-0x0000000000CC0000-0x0000000000D6E000-memory.dmp
        Filesize

        696KB