Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 11:09

General

  • Target

    ATA2409385.exe

  • Size

    717KB

  • MD5

    e8835b7ee85bf5c1770398de1a14c211

  • SHA1

    5e5e3ff999c410362ae2571a921dd229cf0fa414

  • SHA256

    09a3694a94074c3c3c29f6a7c03b74a8f87b79635958b820bcaed112afe0cea9

  • SHA512

    f768d617246e6c71a2f94944443ac8fbfa11b8f330548b94d6825e54e27f60dad2283c7d544b014d22704cf989bb898cf54eeae762e366ae9ec621a1219d77d0

  • SSDEEP

    12288:qHo2iN3skSKSIw6KZo/bzjtw79gALqXrw8BdOzb4+g9aZXqxoosdzDslRTPuMjjy:qI19JSNIH2Oza79gzw8fOzc+gEXquosN

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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ATA2409385.exe
    "C:\Users\Admin\AppData\Local\Temp\ATA2409385.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2760
    • 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\ATA2409385.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YASWWeFBvhTn.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3492
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YASWWeFBvhTn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E96.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3640
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4480
      • 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:8

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

            Filesize

            2KB

            MD5

            968cb9309758126772781b83adb8a28f

            SHA1

            8da30e71accf186b2ba11da1797cf67f8f78b47c

            SHA256

            92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

            SHA512

            4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            18KB

            MD5

            d722a28e8189192730e3e2e72a4b77da

            SHA1

            e5cbca02d69f9f5804368856abe783622efc33a4

            SHA256

            315dd9c0d80606b18c75bb26b458ae1150790ab19b48d6787fe7212f0ce1ad7a

            SHA512

            fb03b6418dd9ea226314ec457cb267b6c19a7661aee7ae051d49b84191166abaefc77b3e4ccf504556dfda9321730a678dbb8c731fa43804650dbfc46cd174a5

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v5uia4p3.vum.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp7E96.tmp

            Filesize

            1KB

            MD5

            8a82db3b554a606696fc3513a971c48a

            SHA1

            3a41e2a640d3241b9c8ac8a1420126b61675f8f7

            SHA256

            d077f2fb7bbc545efab450e5c26ac46b7aac510b4dcb7f48275eec73b1cf7902

            SHA512

            3b66eef29c8875536290412ed312cd0ff3a7ad323fbfa6efb57e76ad1198f76de4d14db09c8689c91d207b7c1b5a890d2603b91f23eea6d9a201351438ab5f45

          • memory/8-91-0x0000000006020000-0x0000000006070000-memory.dmp

            Filesize

            320KB

          • memory/8-46-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1204-16-0x00000000053C0000-0x00000000059E8000-memory.dmp

            Filesize

            6.2MB

          • memory/1204-53-0x0000000070930000-0x000000007097C000-memory.dmp

            Filesize

            304KB

          • memory/1204-89-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/1204-83-0x00000000077F0000-0x00000000077F8000-memory.dmp

            Filesize

            32KB

          • memory/1204-14-0x0000000002880000-0x00000000028B6000-memory.dmp

            Filesize

            216KB

          • memory/1204-82-0x0000000007810000-0x000000000782A000-memory.dmp

            Filesize

            104KB

          • memory/1204-81-0x0000000007710000-0x0000000007724000-memory.dmp

            Filesize

            80KB

          • memory/1204-17-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/1204-18-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/1204-20-0x0000000005A20000-0x0000000005A42000-memory.dmp

            Filesize

            136KB

          • memory/1204-79-0x00000000076D0000-0x00000000076E1000-memory.dmp

            Filesize

            68KB

          • memory/1204-76-0x0000000007540000-0x000000000754A000-memory.dmp

            Filesize

            40KB

          • memory/2760-48-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/2760-6-0x00000000065A0000-0x00000000065BE000-memory.dmp

            Filesize

            120KB

          • memory/2760-1-0x00000000004A0000-0x0000000000556000-memory.dmp

            Filesize

            728KB

          • memory/2760-2-0x0000000005440000-0x00000000059E4000-memory.dmp

            Filesize

            5.6MB

          • memory/2760-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp

            Filesize

            584KB

          • memory/2760-8-0x00000000065C0000-0x0000000006644000-memory.dmp

            Filesize

            528KB

          • memory/2760-4-0x00000000050F0000-0x00000000050FA000-memory.dmp

            Filesize

            40KB

          • memory/2760-44-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/2760-9-0x0000000008C00000-0x0000000008C9C000-memory.dmp

            Filesize

            624KB

          • memory/2760-7-0x00000000061F0000-0x0000000006200000-memory.dmp

            Filesize

            64KB

          • memory/2760-15-0x000000007532E000-0x000000007532F000-memory.dmp

            Filesize

            4KB

          • memory/2760-0-0x000000007532E000-0x000000007532F000-memory.dmp

            Filesize

            4KB

          • memory/2760-5-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/3492-49-0x00000000061B0000-0x00000000061CE000-memory.dmp

            Filesize

            120KB

          • memory/3492-51-0x0000000007170000-0x00000000071A2000-memory.dmp

            Filesize

            200KB

          • memory/3492-73-0x00000000071B0000-0x0000000007253000-memory.dmp

            Filesize

            652KB

          • memory/3492-74-0x0000000007B10000-0x000000000818A000-memory.dmp

            Filesize

            6.5MB

          • memory/3492-75-0x00000000074D0000-0x00000000074EA000-memory.dmp

            Filesize

            104KB

          • memory/3492-71-0x0000000006700000-0x000000000671E000-memory.dmp

            Filesize

            120KB

          • memory/3492-78-0x0000000007750000-0x00000000077E6000-memory.dmp

            Filesize

            600KB

          • memory/3492-22-0x0000000005B10000-0x0000000005B76000-memory.dmp

            Filesize

            408KB

          • memory/3492-80-0x0000000007700000-0x000000000770E000-memory.dmp

            Filesize

            56KB

          • memory/3492-52-0x0000000070930000-0x000000007097C000-memory.dmp

            Filesize

            304KB

          • memory/3492-50-0x0000000006750000-0x000000000679C000-memory.dmp

            Filesize

            304KB

          • memory/3492-21-0x00000000058F0000-0x0000000005956000-memory.dmp

            Filesize

            408KB

          • memory/3492-45-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/3492-34-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/3492-39-0x0000000005B80000-0x0000000005ED4000-memory.dmp

            Filesize

            3.3MB

          • memory/3492-90-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB

          • memory/3492-19-0x0000000075320000-0x0000000075AD0000-memory.dmp

            Filesize

            7.7MB