Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 02:10

General

  • Target

    2438dd28084106aa7730863e38b4c63e1db3ee2dd0f05bcdc3fb5211381b6a36.exe

  • Size

    929KB

  • MD5

    50eca18e3c2efc7a5a64c45592cbdb97

  • SHA1

    81fe9938c7635fc9dbf87280f8464d80bf236763

  • SHA256

    2438dd28084106aa7730863e38b4c63e1db3ee2dd0f05bcdc3fb5211381b6a36

  • SHA512

    d612f304b0cf18abe2b5289d37c022c7b27f760f7c2dcf85d854838ece837856e608301f9a267a2995bb55c589915a52e1dd09b549327402851c13979ccf496d

  • SSDEEP

    24576:ja1cH3vFsIeks70E82a4f0CdrZH7o7um2:+KH/FBVs72qcCdrt7Ium2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2438dd28084106aa7730863e38b4c63e1db3ee2dd0f05bcdc3fb5211381b6a36.exe
    "C:\Users\Admin\AppData\Local\Temp\2438dd28084106aa7730863e38b4c63e1db3ee2dd0f05bcdc3fb5211381b6a36.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1728
    • 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\2438dd28084106aa7730863e38b4c63e1db3ee2dd0f05bcdc3fb5211381b6a36.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IovSzaZEnVQJtv.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2748
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IovSzaZEnVQJtv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp44BE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2696
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2628
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp44BE.tmp

      Filesize

      1KB

      MD5

      1ac6571984a98e3dcb7b0c0a46a8b071

      SHA1

      1a80f93fe301457284b7d7450f74a8043659ef80

      SHA256

      ed48c1d8f8e7d6763c3b7f179c83d48da86e8811fe33b0625c034a3c637089c6

      SHA512

      36ecbfc0c8e8662c013c9652129095cedb43ce17fc9678d3fc0b2dfb435d34f5f2a7670c25640bf3a2fa5a4ba8d2c738d9016920774f470718b4c03130aaea41

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\5E5QGJ11JIFZAP0RLB0D.temp

      Filesize

      7KB

      MD5

      a42ae37da1c42eeaaaeb427541bb1a23

      SHA1

      11dfd9072519516e88e9c86d147ca45bd4816606

      SHA256

      78a802a34140cd4353477b6a7e8dcd9d0d889d87d4877188a9cc4f1c26163955

      SHA512

      90cf494b12956f3037a43e8b6f86a549d23d4e4d4c1c40ecf9dc39301a92f478e30104311bded444430dc443dda892d3421600389dc9fc96ccd7d7e63a5abcb6

    • memory/1728-4-0x00000000006B0000-0x00000000006BE000-memory.dmp

      Filesize

      56KB

    • memory/1728-3-0x0000000000440000-0x000000000045C000-memory.dmp

      Filesize

      112KB

    • memory/1728-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

      Filesize

      4KB

    • memory/1728-5-0x00000000006C0000-0x00000000006D6000-memory.dmp

      Filesize

      88KB

    • memory/1728-6-0x00000000744F0000-0x0000000074BDE000-memory.dmp

      Filesize

      6.9MB

    • memory/1728-7-0x00000000058E0000-0x0000000005966000-memory.dmp

      Filesize

      536KB

    • memory/1728-2-0x00000000744F0000-0x0000000074BDE000-memory.dmp

      Filesize

      6.9MB

    • memory/1728-1-0x0000000000A30000-0x0000000000B1A000-memory.dmp

      Filesize

      936KB

    • memory/1728-33-0x00000000744F0000-0x0000000074BDE000-memory.dmp

      Filesize

      6.9MB

    • memory/2660-32-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2660-30-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2660-29-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2660-26-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2660-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2660-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2660-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2660-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB