Analysis

  • max time kernel
    95s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 16:49

General

  • Target

    esmo2.ps1

  • Size

    6KB

  • MD5

    ded5f63456e1d0dcb17aa8688d57e4c7

  • SHA1

    4c7c84a426936401f9e4556abe454ac688fb7f05

  • SHA256

    9ee369ad690ea79c029365597fee8463e738dbeb15cb2bff10ac12b35cd6287d

  • SHA512

    0569e96ae73260b3a7ec6e7a5cac5bd2f429ac37a6be164556dfb1d813c8a9d10c06bcfd79110813e4f7377ca867daf542969c9d17c43eb71c9bec87c7bc037c

  • SSDEEP

    96:Bbz+T3G8B8gSsAfKt4zw1O4GWA9E7A/xRnhiE7MVyt8MYKJLVG01Waw:BbGW8B8XJg4UMLWmEk59hiPy6EL1hw

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

Dozzy[1]

Mutex

Setup_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/AJqrj5ZH

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Blocklisted process makes network request 10 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

    Using powershell.exe command.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\esmo2.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4104
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\Users\Public\vortex.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\vortex.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Public\vortex.ps1'"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2304
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4316
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2952
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Public\vortex.bat" "
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2296
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Public\vortex.ps1'"
        2⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:3504
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            PID:2956
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Public\vortex.vbs"
        1⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:2480
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Public\vortex.bat" "
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:316
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Public\vortex.ps1'"
            3⤵
            • Blocklisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:916
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
              4⤵
                PID:2556
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                4⤵
                • System Location Discovery: System Language Discovery
                PID:3324
        • C:\Windows\System32\CScript.exe
          "C:\Windows\System32\CScript.exe" "C:\Users\Public\vortex.vbs"
          1⤵
          • Checks computer location settings
          • Suspicious use of WriteProcessMemory
          PID:116
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Public\vortex.bat" "
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4444
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Public\vortex.ps1'"
              3⤵
              • Blocklisted process makes network request
              • Command and Scripting Interpreter: PowerShell
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4780
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                4⤵
                  PID:4396
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                  4⤵
                  • System Location Discovery: System Language Discovery
                  PID:2320
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "-Command" "if((Get-ExecutionPolicy ) -ne 'AllSigned') { Set-ExecutionPolicy -Scope Process Bypass }; & 'C:\Users\Public\vortex.ps1'"
            1⤵
            • Blocklisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1080
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
              2⤵
              • System Location Discovery: System Language Discovery
              PID:1532

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

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

            Filesize

            3KB

            MD5

            00e7da020005370a518c26d5deb40691

            SHA1

            389b34fdb01997f1de74a5a2be0ff656280c0432

            SHA256

            a529468d442b807290b41565130e4c52760af9abec37613114db3857f11ad4fe

            SHA512

            9a02bacc6fb922d6202548e80e345c6cdec346b79ef7ac7a56f89fd342ff128de004065b9d010d015b54d4ca72f665ca658c7ffcd8eb906e14bfa5b48b43f2cf

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

            Filesize

            425B

            MD5

            4eaca4566b22b01cd3bc115b9b0b2196

            SHA1

            e743e0792c19f71740416e7b3c061d9f1336bf94

            SHA256

            34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

            SHA512

            bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

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

            Filesize

            1KB

            MD5

            d0f3eff52698c0eab8a2c8bd1d9f7c18

            SHA1

            4292ae775443749c6c2281dac800d86b4bdde07e

            SHA256

            b16c74cbb71b5ba7bbf32696feb6869d9a0fa3bac42042a3fe8f3d48e2d5dbf6

            SHA512

            642b5d51a4cec6094e6789f29eb68885068583a08e102606b7ed2ace036cacd8b3bc428cef6f8cbfaadf5644fe52149211f7fc6774fc4ff458bd76cfae703cfd

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

            Filesize

            1KB

            MD5

            efca4fbb6ed88364b72fed963cf6810c

            SHA1

            c999d75d6e95bfa590e6f688deac1a228023fac9

            SHA256

            a999953b876efaa39c9aa68a59a1143ab40bca01e353b01b406724acabf658a3

            SHA512

            4a70f7b0bbbd27f86dded4d2017cf21f41f13f43f2583463184297ce5aed4127401c89f4903cbea9977337e5cb28978a9201cd4fabe45af185d1f85c9bfa894f

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

            Filesize

            1KB

            MD5

            6e8fdd96b0ba86ad844db19760bcb754

            SHA1

            5d526dbb6eb01120250fa7099a01c1ec31e5b420

            SHA256

            579d62d98d7f95543396bbd899ec3325567ec1da59d555e082e57fcc98e95dec

            SHA512

            12e44931a87df6fba28f5741233d7804baf867020273eb99ae8106155a1a94487234aa2513f02ed0ebd0a0fb0d2e881ea7fecf872542db4643764ec936fb5870

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

            Filesize

            1KB

            MD5

            6ddd9c56a681834b3ddd7863f0141f29

            SHA1

            bfe7c8d1215e62b60f1b1ae3b7932aef42f8bed5

            SHA256

            78508c5af5ab58269c7df8d21a3b83c89588d3813e318402872b34fdaca07036

            SHA512

            45a12c3344bf2974747af8d30d5248487ad0bb55e652b46fb1b4f2c51bba74a211f2f84fbc534d0407f304b8b648c2b3dea17094309af1fc47e69e50f03e35e0

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

            Filesize

            1KB

            MD5

            8e94a2581dac828b9c654eb86b70e133

            SHA1

            883d9516530908bd1444da5965941a372e08d949

            SHA256

            7c24216d0d30b211c2f9feb8a4cf82d3919fb5b71b20cac064d7eb23f86b008c

            SHA512

            f4804fc53931f60c799b8928b7356725ea0217ff4c89b9791544136710e27b35a59608e8bfffc20977e9ec20db0cdcddf33910a0096cb56f10e7cf4d89b7072b

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cnmpgstu.fz0.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Public\vortex.bat

            Filesize

            205B

            MD5

            9e080ffad515e7422eae88b1603dd245

            SHA1

            f778fc7bab19fa683955adb8e5b9a6a0d3e98799

            SHA256

            8ac42d8ea294305e1c06e2f1ccc0d2350f39b0b53d42046422ad6d88d73f7357

            SHA512

            9bca376fae8397e52c0afaed7d4e17a0628c8b275ebae621f42e7ed42f17193ca4a49ded1c58de7386683d7a1afd833869eb8dd173ea3ad1bc07ecb84284c0c7

          • C:\Users\Public\vortex.ps1

            Filesize

            1KB

            MD5

            f9dc0278e74ac6d1a1f5f50b999c0a5e

            SHA1

            ba421db1f095723a4aeda75e765a735ad134127a

            SHA256

            7fdb7bfb4197e8123f31adda277d82a119596dcd6d3fea3b115cb0f45eab59a3

            SHA512

            ca7933f3edde71d6ac50bb5e31c57f77bb75e6c3cd53984271934abec62c54a349e61f902c25e003d35dfe623c0d630afce6b7131c2fd07cee68c2ee4c32ddc8

          • C:\Users\Public\vortex.vbs

            Filesize

            1KB

            MD5

            0308ee03b5a25139600c8b9ef7341b00

            SHA1

            8c33169449f22fdf32559b59752cd0de01595bf0

            SHA256

            786fd0de97c74547db9b970afa4eed09e16583b4ad5a2142ef42122068ac1f5b

            SHA512

            d813a012e35e2760a144aa1e05b80502fb2bfadfe5be620a8fdcde8e38c4068e91be2924c22fac351f6ec0b3d858f331eeebc6de9c91054fd31e1733a2d52ea5

          • memory/2304-38-0x00000160778A0000-0x00000160778BA000-memory.dmp

            Filesize

            104KB

          • memory/2304-37-0x0000016077EE0000-0x00000160780A2000-memory.dmp

            Filesize

            1.8MB

          • memory/4104-18-0x00007FFE012B3000-0x00007FFE012B5000-memory.dmp

            Filesize

            8KB

          • memory/4104-17-0x00007FFE012B0000-0x00007FFE01D71000-memory.dmp

            Filesize

            10.8MB

          • memory/4104-19-0x00007FFE012B0000-0x00007FFE01D71000-memory.dmp

            Filesize

            10.8MB

          • memory/4104-0-0x00007FFE012B3000-0x00007FFE012B5000-memory.dmp

            Filesize

            8KB

          • memory/4104-22-0x00007FFE012B0000-0x00007FFE01D71000-memory.dmp

            Filesize

            10.8MB

          • memory/4104-11-0x00007FFE012B0000-0x00007FFE01D71000-memory.dmp

            Filesize

            10.8MB

          • memory/4104-8-0x0000025D1A070000-0x0000025D1A092000-memory.dmp

            Filesize

            136KB

          • memory/4104-12-0x00007FFE012B0000-0x00007FFE01D71000-memory.dmp

            Filesize

            10.8MB

          • memory/4104-16-0x00007FFE012B0000-0x00007FFE01D71000-memory.dmp

            Filesize

            10.8MB

          • memory/4316-39-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/4316-47-0x00000000069B0000-0x0000000006A16000-memory.dmp

            Filesize

            408KB

          • memory/4316-46-0x0000000006700000-0x000000000679C000-memory.dmp

            Filesize

            624KB

          • memory/4316-43-0x0000000005A00000-0x0000000005A0A000-memory.dmp

            Filesize

            40KB

          • memory/4316-42-0x0000000005640000-0x00000000056D2000-memory.dmp

            Filesize

            584KB

          • memory/4316-41-0x0000000005A10000-0x0000000005FB4000-memory.dmp

            Filesize

            5.6MB