Analysis

  • max time kernel
    131s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 15:00

General

  • Target

    SOA pdf.exe

  • Size

    684KB

  • MD5

    ef016c57887c795245f3c993844050b1

  • SHA1

    a01a18332c13b3fea59c7ff5b2c0efe89811c5ee

  • SHA256

    19e6653f249d7283999ba5be8b4154ccf64693cf228c7f7b4fde670f9fbed711

  • SHA512

    ef833dda1825b56120174e8c79edb371ee6e3441b384d623d198e8968250bd7cc08c475c00cd30656d8300735c3da308019a9d1f10b8ff324ab054e409541b15

  • SSDEEP

    12288:p4YpAfDuHOXEjxlubLoPpoL6HrOngIVGYm9qv28y6+Jz1g5:GYpgOjxlioxXHrOg89vRy62O

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2076
    • 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\SOA pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2256
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OIeSyIYJ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OIeSyIYJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6529.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1532
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2332
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:764
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:1140

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmp6529.tmp

        Filesize

        1KB

        MD5

        0b5008add8deb05339b5a3a36346aaad

        SHA1

        0cb97fdd352d06d5a103f4bdc40193d325f594ab

        SHA256

        2300ca105389c9790773bf53774f89f70dfd846e33788804c9a709c8f5101da6

        SHA512

        058c95b42598e97f973439645de1a4bf7fd3a56bb31373ba656662fa4d10f743cba99f1e02be60fa67d93712b401200fc534b52bf4137b28cfb4c65eecd10c2d

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\L2GV8XO276K61N87HKZD.temp

        Filesize

        7KB

        MD5

        1403bb801a42bb713585a492d9f0ba3f

        SHA1

        54bced7a5d2e764321ec7f25416949641b4653f6

        SHA256

        48a91fa6756cf9b7de13a07b1a9cb997b2f92dab63807d64df95ab0878e15d1c

        SHA512

        cb9dd308d1ea1f454ed172f3e8ba3a4321e56a0f66eb7de1d9c2be587cab87c1984a7480243b295071b06ce88f5f03b45ce77ec9fc2d18e637a12ab4549e625c

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

        Filesize

        7KB

        MD5

        1403bb801a42bb713585a492d9f0ba3f

        SHA1

        54bced7a5d2e764321ec7f25416949641b4653f6

        SHA256

        48a91fa6756cf9b7de13a07b1a9cb997b2f92dab63807d64df95ab0878e15d1c

        SHA512

        cb9dd308d1ea1f454ed172f3e8ba3a4321e56a0f66eb7de1d9c2be587cab87c1984a7480243b295071b06ce88f5f03b45ce77ec9fc2d18e637a12ab4549e625c

      • memory/1140-37-0x0000000004B10000-0x0000000004B50000-memory.dmp

        Filesize

        256KB

      • memory/1140-35-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/1140-34-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1140-32-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1140-30-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1140-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1140-42-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/1140-44-0x0000000004B10000-0x0000000004B50000-memory.dmp

        Filesize

        256KB

      • memory/1140-20-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1140-22-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1140-24-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1140-26-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2076-36-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/2076-2-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

        Filesize

        256KB

      • memory/2076-6-0x00000000002A0000-0x00000000002AA000-memory.dmp

        Filesize

        40KB

      • memory/2076-5-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

        Filesize

        256KB

      • memory/2076-4-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/2076-0-0x0000000074790000-0x0000000074E7E000-memory.dmp

        Filesize

        6.9MB

      • memory/2076-3-0x0000000000280000-0x0000000000298000-memory.dmp

        Filesize

        96KB

      • memory/2076-1-0x0000000010680000-0x000000001072E000-memory.dmp

        Filesize

        696KB

      • memory/2076-7-0x000000000A470000-0x000000000A4EC000-memory.dmp

        Filesize

        496KB

      • memory/2256-45-0x0000000002390000-0x00000000023D0000-memory.dmp

        Filesize

        256KB

      • memory/2256-53-0x0000000002390000-0x00000000023D0000-memory.dmp

        Filesize

        256KB

      • memory/2256-59-0x000000006F070000-0x000000006F61B000-memory.dmp

        Filesize

        5.7MB

      • memory/2256-54-0x0000000002390000-0x00000000023D0000-memory.dmp

        Filesize

        256KB

      • memory/2256-41-0x000000006F070000-0x000000006F61B000-memory.dmp

        Filesize

        5.7MB

      • memory/2256-38-0x000000006F070000-0x000000006F61B000-memory.dmp

        Filesize

        5.7MB

      • memory/2256-46-0x000000006F070000-0x000000006F61B000-memory.dmp

        Filesize

        5.7MB

      • memory/2256-47-0x0000000002390000-0x00000000023D0000-memory.dmp

        Filesize

        256KB

      • memory/2256-51-0x0000000002390000-0x00000000023D0000-memory.dmp

        Filesize

        256KB

      • memory/2256-50-0x000000006F070000-0x000000006F61B000-memory.dmp

        Filesize

        5.7MB

      • memory/2572-48-0x000000006F070000-0x000000006F61B000-memory.dmp

        Filesize

        5.7MB

      • memory/2572-49-0x0000000001C30000-0x0000000001C70000-memory.dmp

        Filesize

        256KB

      • memory/2572-52-0x0000000001C30000-0x0000000001C70000-memory.dmp

        Filesize

        256KB

      • memory/2572-39-0x000000006F070000-0x000000006F61B000-memory.dmp

        Filesize

        5.7MB

      • memory/2572-43-0x0000000001C30000-0x0000000001C70000-memory.dmp

        Filesize

        256KB

      • memory/2572-40-0x0000000001C30000-0x0000000001C70000-memory.dmp

        Filesize

        256KB

      • memory/2572-58-0x000000006F070000-0x000000006F61B000-memory.dmp

        Filesize

        5.7MB