Analysis

  • max time kernel
    121s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2024, 03:17

General

  • Target

    72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe

  • Size

    751KB

  • MD5

    9cc2315d58203686c68c13889ed991b7

  • SHA1

    f1d36a5fe6d583244a133b38dc9e3a211c0ab133

  • SHA256

    72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d

  • SHA512

    858a1451ef8ba49c48643a395315125445f656e60f6e7d1b53bf70afda78368445888722209196b53445dc74a428ae2c1fcdcce19ce9fb732aee214feadd6580

  • SSDEEP

    12288:mSqcMkzqHKMbzhV2eMKOgubfwNgxh30kzl7Q+ml+02C0Fon/XrA2Ua/IbRX/fheo:mETz87b4ZlDwNgxhThc3atFQ/dCXxr

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 3 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe
    "C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2868
    • 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\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2692
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CxwaRYFFIhQpF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CxwaRYFFIhQpF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD00B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2380
    • C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe
      "C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
      2⤵
        PID:1964
      • C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe
        "C:\Users\Admin\AppData\Local\Temp\72dd6cebbc5ac0e9620bbe787f15b692987cde6a09d3ada3c17bc6cb48c93e9d.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2688

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmpD00B.tmp

            Filesize

            1KB

            MD5

            796594c64b2406f3af52ce878c7b997f

            SHA1

            adb5bc2bdf2ba6695ea257c934bc0dd6ad92a096

            SHA256

            79bface6a5ce2d4dd16f13ff1d78909cae6438251d162cfeb2ef095c00adfd32

            SHA512

            7c8bd8f05936b3d7a53e373906a8629fdf925003c82ad11d3825191cc789e63589d1ffb994ce5f12afce9238005fad936de846c7894cb22d913b92b6fb0d6172

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\AQUCMWYZ5CY1BC6EJRK9.temp

            Filesize

            7KB

            MD5

            01960eba8af6b3325d6a34e4d89e9e14

            SHA1

            1d608ab378c42740a0c5b78e9701327279b5359b

            SHA256

            220fa093933b74da335598296467742f046ddd54c291d5cac238fba54bdfa6b8

            SHA512

            21da61550722a3999b29a44c8ae5746c8a2d7db7a51530c5e6f98d197ac49969add2254282e6804bc0c5146ad4ce7b8ed44e446534d64678815c110d8918f910

          • memory/2688-27-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2688-31-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2688-46-0x0000000074140000-0x000000007482E000-memory.dmp

            Filesize

            6.9MB

          • memory/2688-38-0x0000000074140000-0x000000007482E000-memory.dmp

            Filesize

            6.9MB

          • memory/2688-41-0x0000000004B40000-0x0000000004B80000-memory.dmp

            Filesize

            256KB

          • memory/2688-29-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2688-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2688-23-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2688-20-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2688-21-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2688-22-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2692-37-0x000000006F0D0000-0x000000006F67B000-memory.dmp

            Filesize

            5.7MB

          • memory/2692-43-0x000000006F0D0000-0x000000006F67B000-memory.dmp

            Filesize

            5.7MB

          • memory/2692-40-0x00000000025A0000-0x00000000025E0000-memory.dmp

            Filesize

            256KB

          • memory/2692-36-0x00000000025A0000-0x00000000025E0000-memory.dmp

            Filesize

            256KB

          • memory/2692-34-0x000000006F0D0000-0x000000006F67B000-memory.dmp

            Filesize

            5.7MB

          • memory/2796-33-0x000000006F0D0000-0x000000006F67B000-memory.dmp

            Filesize

            5.7MB

          • memory/2796-39-0x0000000002710000-0x0000000002750000-memory.dmp

            Filesize

            256KB

          • memory/2796-44-0x000000006F0D0000-0x000000006F67B000-memory.dmp

            Filesize

            5.7MB

          • memory/2796-42-0x000000006F0D0000-0x000000006F67B000-memory.dmp

            Filesize

            5.7MB

          • memory/2796-35-0x0000000002710000-0x0000000002750000-memory.dmp

            Filesize

            256KB

          • memory/2868-3-0x00000000004D0000-0x00000000004E4000-memory.dmp

            Filesize

            80KB

          • memory/2868-25-0x0000000004BE0000-0x0000000004C20000-memory.dmp

            Filesize

            256KB

          • memory/2868-0-0x0000000000D10000-0x0000000000DD2000-memory.dmp

            Filesize

            776KB

          • memory/2868-6-0x0000000004B10000-0x0000000004B9A000-memory.dmp

            Filesize

            552KB

          • memory/2868-1-0x0000000074140000-0x000000007482E000-memory.dmp

            Filesize

            6.9MB

          • memory/2868-32-0x0000000074140000-0x000000007482E000-memory.dmp

            Filesize

            6.9MB

          • memory/2868-5-0x0000000000540000-0x000000000054E000-memory.dmp

            Filesize

            56KB

          • memory/2868-19-0x0000000074140000-0x000000007482E000-memory.dmp

            Filesize

            6.9MB

          • memory/2868-2-0x0000000004BE0000-0x0000000004C20000-memory.dmp

            Filesize

            256KB

          • memory/2868-4-0x0000000000520000-0x000000000052A000-memory.dmp

            Filesize

            40KB