Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    20/11/2023, 15:46

General

  • Target

    h6gKmCuKBVVMORv.exe

  • Size

    682KB

  • MD5

    c071299e1ba6c56f89ed021f525fc862

  • SHA1

    a77eec03ccb9f7531d294215afe1394f3622bc66

  • SHA256

    4d89869a7e7a654cb5ffd4a30465332edfe478d0d00d841145ef082bee50e632

  • SHA512

    62d4c5fe00270bb7ab4b4446506b701128b86aa6aa371f63b95e1254221bcc73ccadd80194d1533f885a3cd1b5eb915ca09243e36a1612df68faf6961d81c889

  • SSDEEP

    12288:TeQXucvCeAeQseQWVmKDBBHvpKstZ5QReF1FIWJtr8XQrDwdzDwVUubu8d:Te4ucqeAeterLVBPpKeZ5QKIWjcQnMDt

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\h6gKmCuKBVVMORv.exe
    "C:\Users\Admin\AppData\Local\Temp\h6gKmCuKBVVMORv.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2212
    • 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\h6gKmCuKBVVMORv.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PXnHDXIN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2836
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PXnHDXIN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B7D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2684
    • C:\Users\Admin\AppData\Local\Temp\h6gKmCuKBVVMORv.exe
      "C:\Users\Admin\AppData\Local\Temp\h6gKmCuKBVVMORv.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp8B7D.tmp

          Filesize

          1KB

          MD5

          2ed90b7cdb13bc0d442484546cf214dc

          SHA1

          9ca24400372ad0f30b176214837274d8f92092b7

          SHA256

          26f8416f62f18082a3088d17811286854954a91bb7fa45cb270e132d5b4d182d

          SHA512

          013aae79d0e5783c6faa905306adc38bd30e278af4ae2270594ec57f2826581e0ba27f8ac2a33bb9f2df9c9869f62082379d0d6587bd78d6a2586f2c7965ae1a

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

          Filesize

          7KB

          MD5

          1c89e65e6d9a47d30221c90cd3f717d8

          SHA1

          86518d7fbaeaf40e352688441b2ff5db1d7a96d8

          SHA256

          6a59e9dd7880c9a3cc5c1eef08b78f1dafc7f187ea58d5e1ced390fe1cc8ee95

          SHA512

          1fe60c0d9e1db5e8d2dfaad087cfb45ca4364c335e458d72e2074d8eb3845cba67c7e3b4ccbdbf9e7247c0a5b2d730cd8126b0e0233038a9ec20f42c55d4fe27

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

          Filesize

          7KB

          MD5

          1c89e65e6d9a47d30221c90cd3f717d8

          SHA1

          86518d7fbaeaf40e352688441b2ff5db1d7a96d8

          SHA256

          6a59e9dd7880c9a3cc5c1eef08b78f1dafc7f187ea58d5e1ced390fe1cc8ee95

          SHA512

          1fe60c0d9e1db5e8d2dfaad087cfb45ca4364c335e458d72e2074d8eb3845cba67c7e3b4ccbdbf9e7247c0a5b2d730cd8126b0e0233038a9ec20f42c55d4fe27

        • memory/2212-22-0x0000000073F70000-0x000000007465E000-memory.dmp

          Filesize

          6.9MB

        • memory/2212-1-0x0000000073F70000-0x000000007465E000-memory.dmp

          Filesize

          6.9MB

        • memory/2212-2-0x0000000004E20000-0x0000000004E60000-memory.dmp

          Filesize

          256KB

        • memory/2212-3-0x0000000000280000-0x0000000000290000-memory.dmp

          Filesize

          64KB

        • memory/2212-4-0x00000000002B0000-0x00000000002B8000-memory.dmp

          Filesize

          32KB

        • memory/2212-5-0x00000000002C0000-0x00000000002CA000-memory.dmp

          Filesize

          40KB

        • memory/2212-6-0x0000000004880000-0x00000000048FC000-memory.dmp

          Filesize

          496KB

        • memory/2212-0-0x0000000000CA0000-0x0000000000D50000-memory.dmp

          Filesize

          704KB

        • memory/2212-31-0x0000000073F70000-0x000000007465E000-memory.dmp

          Filesize

          6.9MB

        • memory/2688-36-0x000000006EDD0000-0x000000006F37B000-memory.dmp

          Filesize

          5.7MB

        • memory/2688-32-0x000000006EDD0000-0x000000006F37B000-memory.dmp

          Filesize

          5.7MB

        • memory/2688-43-0x000000006EDD0000-0x000000006F37B000-memory.dmp

          Filesize

          5.7MB

        • memory/2688-39-0x0000000002780000-0x00000000027C0000-memory.dmp

          Filesize

          256KB

        • memory/2688-38-0x0000000002780000-0x00000000027C0000-memory.dmp

          Filesize

          256KB

        • memory/2688-34-0x0000000002780000-0x00000000027C0000-memory.dmp

          Filesize

          256KB

        • memory/2744-46-0x0000000073F70000-0x000000007465E000-memory.dmp

          Filesize

          6.9MB

        • memory/2744-20-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-30-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-41-0x0000000073F70000-0x000000007465E000-memory.dmp

          Filesize

          6.9MB

        • memory/2744-28-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-21-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-19-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-45-0x00000000049A0000-0x00000000049E0000-memory.dmp

          Filesize

          256KB

        • memory/2744-26-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2744-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2744-23-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2836-35-0x000000006EDD0000-0x000000006F37B000-memory.dmp

          Filesize

          5.7MB

        • memory/2836-42-0x000000006EDD0000-0x000000006F37B000-memory.dmp

          Filesize

          5.7MB

        • memory/2836-40-0x0000000002750000-0x0000000002790000-memory.dmp

          Filesize

          256KB

        • memory/2836-37-0x0000000002750000-0x0000000002790000-memory.dmp

          Filesize

          256KB

        • memory/2836-33-0x000000006EDD0000-0x000000006F37B000-memory.dmp

          Filesize

          5.7MB