Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 08:26

General

  • Target

    66d429595734624fc9610dff9b019f6b1687865f7197094a6102ced753453f9d_JC.exe

  • Size

    661KB

  • MD5

    f88a0168031ea5a1605365f7c97274ec

  • SHA1

    18c64796c4e70fbf8e1e4435bd50bf71db629b66

  • SHA256

    66d429595734624fc9610dff9b019f6b1687865f7197094a6102ced753453f9d

  • SHA512

    bbd9ca9da1232b470f2333ec466238e9cdc99a53d37f2c3bcd668c689683519ab53182a46b597f2a7ca177f80b5fc003131233c7f81cf5d301002b81b4c5e0b3

  • SSDEEP

    12288:Va0WWObWt8ouFCh10AmrgN3pzce7A/AFkc3MYl:L4S8/410T6poBO3bl

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66d429595734624fc9610dff9b019f6b1687865f7197094a6102ced753453f9d_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\66d429595734624fc9610dff9b019f6b1687865f7197094a6102ced753453f9d_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4828
    • 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\66d429595734624fc9610dff9b019f6b1687865f7197094a6102ced753453f9d_JC.exe"
      2⤵
        PID:4236
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JRkRNppqLGbt.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2152
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JRkRNppqLGbt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D62.tmp"
        2⤵
        • Creates scheduled task(s)
        PID:3948
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:2168
        • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:4892

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dejpmmvj.tlh.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp1D62.tmp

        Filesize

        1KB

        MD5

        b5122ee0ff3e6700cb551d97c39942b5

        SHA1

        e60fe815e5e963edf4204ecf80f8239ce34e00ad

        SHA256

        196b9e7ffa27a2377923965df80f131aa6c5c21f30a57c2942de0497ef6b754f

        SHA512

        9ef5fa9cb925b4cd8e42b36aaafc6503ba957a7554dc53b2d2b2166245350dc5cb5abae0af8e7263d83a7ba83a4aa474e38cdb8649aee72c4a22b7db730fbeb0

      • memory/2152-38-0x0000000006310000-0x0000000006664000-memory.dmp

        Filesize

        3.3MB

      • memory/2152-63-0x000000007F780000-0x000000007F790000-memory.dmp

        Filesize

        64KB

      • memory/2152-82-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/2152-72-0x0000000007D00000-0x0000000007D08000-memory.dmp

        Filesize

        32KB

      • memory/2152-71-0x0000000007DB0000-0x0000000007DCA000-memory.dmp

        Filesize

        104KB

      • memory/2152-69-0x0000000007CD0000-0x0000000007CE4000-memory.dmp

        Filesize

        80KB

      • memory/2152-40-0x00000000067A0000-0x00000000067EC000-memory.dmp

        Filesize

        304KB

      • memory/2152-67-0x0000000007CC0000-0x0000000007CCE000-memory.dmp

        Filesize

        56KB

      • memory/2152-66-0x0000000007C80000-0x0000000007C91000-memory.dmp

        Filesize

        68KB

      • memory/2152-65-0x0000000007D10000-0x0000000007DA6000-memory.dmp

        Filesize

        600KB

      • memory/2152-16-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/2152-41-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/2152-17-0x0000000002E80000-0x0000000002E90000-memory.dmp

        Filesize

        64KB

      • memory/2152-64-0x0000000006B40000-0x0000000006B4A000-memory.dmp

        Filesize

        40KB

      • memory/2152-20-0x00000000058A0000-0x0000000005EC8000-memory.dmp

        Filesize

        6.2MB

      • memory/2152-45-0x0000000002E80000-0x0000000002E90000-memory.dmp

        Filesize

        64KB

      • memory/2152-62-0x0000000002E80000-0x0000000002E90000-memory.dmp

        Filesize

        64KB

      • memory/2152-33-0x0000000006130000-0x0000000006152000-memory.dmp

        Filesize

        136KB

      • memory/2152-60-0x0000000007A60000-0x0000000007A7A000-memory.dmp

        Filesize

        104KB

      • memory/2152-59-0x00000000080A0000-0x000000000871A000-memory.dmp

        Filesize

        6.5MB

      • memory/2152-39-0x0000000006750000-0x000000000676E000-memory.dmp

        Filesize

        120KB

      • memory/2152-36-0x00000000062A0000-0x0000000006306000-memory.dmp

        Filesize

        408KB

      • memory/2152-58-0x0000000007740000-0x00000000077E3000-memory.dmp

        Filesize

        652KB

      • memory/2152-57-0x0000000006D00000-0x0000000006D1E000-memory.dmp

        Filesize

        120KB

      • memory/2152-34-0x00000000061D0000-0x0000000006236000-memory.dmp

        Filesize

        408KB

      • memory/2152-47-0x0000000071A00000-0x0000000071A4C000-memory.dmp

        Filesize

        304KB

      • memory/2152-18-0x0000000002E20000-0x0000000002E56000-memory.dmp

        Filesize

        216KB

      • memory/2152-42-0x0000000002E80000-0x0000000002E90000-memory.dmp

        Filesize

        64KB

      • memory/2152-46-0x0000000007700000-0x0000000007732000-memory.dmp

        Filesize

        200KB

      • memory/4828-2-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/4828-9-0x0000000005BE0000-0x0000000005BEC000-memory.dmp

        Filesize

        48KB

      • memory/4828-4-0x0000000005A10000-0x0000000005AA2000-memory.dmp

        Filesize

        584KB

      • memory/4828-8-0x0000000005C30000-0x0000000005C40000-memory.dmp

        Filesize

        64KB

      • memory/4828-0-0x0000000000E40000-0x0000000000EEA000-memory.dmp

        Filesize

        680KB

      • memory/4828-5-0x0000000005C30000-0x0000000005C40000-memory.dmp

        Filesize

        64KB

      • memory/4828-35-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/4828-1-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/4828-6-0x0000000005BC0000-0x0000000005BCA000-memory.dmp

        Filesize

        40KB

      • memory/4828-7-0x0000000005BB0000-0x0000000005BC4000-memory.dmp

        Filesize

        80KB

      • memory/4828-3-0x0000000005EE0000-0x0000000006484000-memory.dmp

        Filesize

        5.6MB

      • memory/4828-11-0x0000000008D10000-0x0000000008DAC000-memory.dmp

        Filesize

        624KB

      • memory/4828-10-0x0000000006750000-0x00000000067BA000-memory.dmp

        Filesize

        424KB

      • memory/4892-37-0x00000000030C0000-0x00000000030D0000-memory.dmp

        Filesize

        64KB

      • memory/4892-68-0x0000000006B10000-0x0000000006B60000-memory.dmp

        Filesize

        320KB

      • memory/4892-21-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/4892-70-0x0000000006D30000-0x0000000006EF2000-memory.dmp

        Filesize

        1.8MB

      • memory/4892-22-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB

      • memory/4892-44-0x00000000030C0000-0x00000000030D0000-memory.dmp

        Filesize

        64KB

      • memory/4892-43-0x0000000075390000-0x0000000075B40000-memory.dmp

        Filesize

        7.7MB