Resubmissions

19-03-2024 10:43

240319-mr8kmaag6t 10

19-03-2024 09:44

240319-lqgvvage78 10

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19-03-2024 09:44

General

  • Target

    lee.exe

  • Size

    648KB

  • MD5

    d5fda8517a450948764da4b1618f831e

  • SHA1

    fe469fa291b9650d44eb331857ba206fb26f18b5

  • SHA256

    f80634354eaa11b9bd3c8cc13f1dbd03b4b3b73de43bc6101ce99b05ffab4660

  • SHA512

    323a184e5a1f44df66b5acfb833688ab1caf877a8c565acd517b01400a5032530d7026fed2d45448b887e5ea031d20628c44e459557a776861e3142448306f1f

  • SSDEEP

    12288:llPloOJRYWqKpyxVTEVY4j5ChbyoZT1fNfhsPetrFPehIPf5OoGhV1FnmxmrS3tN:H9oOJbNedEVd8hy85sOPehgO9hV1p0tN

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lee.exe
    "C:\Users\Admin\AppData\Local\Temp\lee.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • 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\lee.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HGvzWiTHEFaX.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2720
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HGvzWiTHEFaX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3958.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2676
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3958.tmp

      Filesize

      1KB

      MD5

      d9031f4ca65cde7e31d99af52140021a

      SHA1

      f6c359b7297ed21e08d6b5710c8ca716e88b6433

      SHA256

      a91eecc60f8777abe198ed8a8a3196625292466bd2a9fa3b59074771fc58bf8f

      SHA512

      ef0827854b4d72d75fc3e1202ecd0770fc7822d805166edeca0335e29f2cbb4a064c4cb282e3f0eb3b6a133b17fec52f91c86f134e525453b6b424607da00a92

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\LOAVI3201TYPDIMU1BG9.temp

      Filesize

      7KB

      MD5

      390a3862c848872679e1966922178c0a

      SHA1

      1cd812cdec277794868d47d75771bdf80d666aec

      SHA256

      4da9fe10107b44d104d5ffdbbad314a64f578b95f0229b38a430ecaffd9de896

      SHA512

      5ef2e9b0a9ef67bc6ab2e90dc4cf9b9e9d2db1a38f122d59b941b7bbcdc76fad05b2e11d37b0dd95979fcdd264b1de81198dda63ae787701204a0407474c3729

    • memory/2232-37-0x0000000073F30000-0x000000007461E000-memory.dmp

      Filesize

      6.9MB

    • memory/2232-1-0x0000000073F30000-0x000000007461E000-memory.dmp

      Filesize

      6.9MB

    • memory/2232-2-0x00000000007F0000-0x0000000000830000-memory.dmp

      Filesize

      256KB

    • memory/2232-3-0x0000000000730000-0x0000000000744000-memory.dmp

      Filesize

      80KB

    • memory/2232-4-0x00000000007E0000-0x00000000007E8000-memory.dmp

      Filesize

      32KB

    • memory/2232-5-0x0000000000830000-0x000000000083C000-memory.dmp

      Filesize

      48KB

    • memory/2232-6-0x0000000004D40000-0x0000000004DC2000-memory.dmp

      Filesize

      520KB

    • memory/2232-0-0x00000000010A0000-0x0000000001144000-memory.dmp

      Filesize

      656KB

    • memory/2612-20-0x000000006EE00000-0x000000006F3AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2612-39-0x000000006EE00000-0x000000006F3AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2612-28-0x000000006EE00000-0x000000006F3AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2612-29-0x0000000002C40000-0x0000000002C80000-memory.dmp

      Filesize

      256KB

    • memory/2612-31-0x0000000002C40000-0x0000000002C80000-memory.dmp

      Filesize

      256KB

    • memory/2640-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2640-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2640-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2640-35-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2640-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2640-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2720-24-0x00000000027A0000-0x00000000027E0000-memory.dmp

      Filesize

      256KB

    • memory/2720-33-0x00000000027A0000-0x00000000027E0000-memory.dmp

      Filesize

      256KB

    • memory/2720-26-0x000000006EE00000-0x000000006F3AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2720-22-0x000000006EE00000-0x000000006F3AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2720-38-0x000000006EE00000-0x000000006F3AB000-memory.dmp

      Filesize

      5.7MB