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Analysis

  • max time kernel
    116s
  • max time network
    299s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2024, 00:44

General

  • Target

    17112024_0044_twBkX.js

  • Size

    199KB

  • MD5

    4ceb1057e744898bc02ffe2a9daa061a

  • SHA1

    ccc89e9d665bc204347fbc7346957ed65ef983ba

  • SHA256

    d2c8b31ed90c86ec267b673178ce22b36096ff8d705cbf9b5fa8ed4bac87550b

  • SHA512

    3a71dba04527b03bb0ee1384f92b33eaa3de7bb3f1521997fd3151ef9ce553bfb5608054919b37c35f0f6f611acf59805949e586e52e3ca2cfc85e57f246c87a

  • SSDEEP

    6144:PsnbkwFgwHtYdNCI8UpzdKxJzyU+JnkdTm6YDwDB:jNCzxpDB

Malware Config

Extracted

Family

xworm

Version

5.0

C2

185.162.75.19:7000

Mutex

AyJZQz7cchpO5oie

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot6460930418:AAGMLktYHOrDqJ5cDoT5GtLWliQfxKax0DI/sendMessage?chat_id=6746471576

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\17112024_0044_twBkX.js
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c "powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\UPDATE.ps1""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\UPDATE.ps1"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1668
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3184
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3680
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'aspnet_regbrowsers.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3540

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

    1KB

    MD5

    a2b24af1492f112d2e53cb7415fda39f

    SHA1

    dbfcee57242a14b60997bd03379cc60198976d85

    SHA256

    fa05674c1db3386cf01ba1db5a3e9aeb97e15d1720d82988f573bf9743adc073

    SHA512

    9919077b8e5c7a955682e9a83f6d7ab34ac6a10a3d65af172734d753a48f7604a95739933b8680289c94b4e271b27c775d015b8d9678db277f498d8450b8aff0

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

    Filesize

    18KB

    MD5

    d5bde926e657169ec7fbad21220dc925

    SHA1

    61e46a45f0f4ff7e433285baf6678de9d3c8a328

    SHA256

    d583eb2f50d82e416e57e1c0998f1974eaa4747fcf5644ca852a8c0913b0a6b5

    SHA512

    3b853dc9f8d717ffa6036dcaa3f416b3aaffd34aff36b64673d993ea19c189c2a5ccdb055e9a374353ecec3b5fca57a4dd29a2b85fd42ea959d9026ba0bdc35e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uzwzkftb.gyr.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\UPDATE.ps1

    Filesize

    196KB

    MD5

    67ea1d562d1ed27916829a569dbc7fb5

    SHA1

    7d083620f91219c67b7e0a2925a3cb8c987d00ee

    SHA256

    61b54b21f003b1133e63b76fe99a0750303e17a7cc93ea4535c5533b028b1781

    SHA512

    5d03188a7e5e3fd5f9702b9ac2255cc8d5f23dc0d101f5ffb84d411d0c89021af704383f8f2ee88af3a696a7576b8a338fa4140d9396ff6a6e299f1b511d39b4

  • memory/1668-21-0x00007FF909130000-0x00007FF909BF1000-memory.dmp

    Filesize

    10.8MB

  • memory/1668-16-0x00007FF909130000-0x00007FF909BF1000-memory.dmp

    Filesize

    10.8MB

  • memory/1668-3-0x00000259499C0000-0x00000259499E2000-memory.dmp

    Filesize

    136KB

  • memory/1668-2-0x00007FF909133000-0x00007FF909135000-memory.dmp

    Filesize

    8KB

  • memory/1668-15-0x0000025949B60000-0x0000025949B8A000-memory.dmp

    Filesize

    168KB

  • memory/1668-13-0x00007FF909130000-0x00007FF909BF1000-memory.dmp

    Filesize

    10.8MB

  • memory/3184-20-0x00000000557D0000-0x00000000557E2000-memory.dmp

    Filesize

    72KB

  • memory/3184-89-0x0000000006060000-0x00000000060F2000-memory.dmp

    Filesize

    584KB

  • memory/3184-88-0x0000000006580000-0x0000000006B24000-memory.dmp

    Filesize

    5.6MB

  • memory/3184-90-0x0000000006050000-0x000000000605A000-memory.dmp

    Filesize

    40KB

  • memory/3184-22-0x0000000005670000-0x000000000570C000-memory.dmp

    Filesize

    624KB

  • memory/3184-17-0x00000000557D0000-0x00000000557E6000-memory.dmp

    Filesize

    88KB

  • memory/3540-77-0x000000006FBB0000-0x000000006FBFC000-memory.dmp

    Filesize

    304KB

  • memory/3540-71-0x00000000062D0000-0x0000000006624000-memory.dmp

    Filesize

    3.3MB

  • memory/3680-41-0x0000000006050000-0x0000000006082000-memory.dmp

    Filesize

    200KB

  • memory/3680-60-0x0000000006FF0000-0x0000000007004000-memory.dmp

    Filesize

    80KB

  • memory/3680-42-0x000000006FBB0000-0x000000006FBFC000-memory.dmp

    Filesize

    304KB

  • memory/3680-52-0x0000000006C50000-0x0000000006C6E000-memory.dmp

    Filesize

    120KB

  • memory/3680-53-0x0000000006C70000-0x0000000006D13000-memory.dmp

    Filesize

    652KB

  • memory/3680-54-0x00000000073F0000-0x0000000007A6A000-memory.dmp

    Filesize

    6.5MB

  • memory/3680-55-0x0000000006DB0000-0x0000000006DCA000-memory.dmp

    Filesize

    104KB

  • memory/3680-56-0x0000000006E20000-0x0000000006E2A000-memory.dmp

    Filesize

    40KB

  • memory/3680-57-0x0000000007030000-0x00000000070C6000-memory.dmp

    Filesize

    600KB

  • memory/3680-58-0x0000000006FB0000-0x0000000006FC1000-memory.dmp

    Filesize

    68KB

  • memory/3680-59-0x0000000006FE0000-0x0000000006FEE000-memory.dmp

    Filesize

    56KB

  • memory/3680-40-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

    Filesize

    304KB

  • memory/3680-61-0x00000000070F0000-0x000000000710A000-memory.dmp

    Filesize

    104KB

  • memory/3680-62-0x00000000070D0000-0x00000000070D8000-memory.dmp

    Filesize

    32KB

  • memory/3680-39-0x0000000005A80000-0x0000000005A9E000-memory.dmp

    Filesize

    120KB

  • memory/3680-37-0x00000000056E0000-0x0000000005A34000-memory.dmp

    Filesize

    3.3MB

  • memory/3680-27-0x0000000005460000-0x00000000054C6000-memory.dmp

    Filesize

    408KB

  • memory/3680-26-0x0000000004C70000-0x0000000004CD6000-memory.dmp

    Filesize

    408KB

  • memory/3680-25-0x0000000004AD0000-0x0000000004AF2000-memory.dmp

    Filesize

    136KB

  • memory/3680-24-0x0000000004E30000-0x0000000005458000-memory.dmp

    Filesize

    6.2MB

  • memory/3680-23-0x0000000000CE0000-0x0000000000D16000-memory.dmp

    Filesize

    216KB