Analysis

  • max time kernel
    120s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 16:33

General

  • Target

    edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

  • Size

    528KB

  • MD5

    046dc61545c4ca911c25cfc844b3b00c

  • SHA1

    671cda72944c3920edb83520eb5d2317af0c60cb

  • SHA256

    edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

  • SHA512

    c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e

  • SSDEEP

    12288:5hU2ft8hWSxwvzeA5ScGZshgwnmnmalFYCJVM:bHfuWSxWRGgLmnmaQCJV

Malware Config

Extracted

Family

xworm

Version

3.1

C2

pkaraven.duckdns.org:9387

Mutex

PN8dWiUH0oIhIHhD

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
    "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4176
    • 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\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2556
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UAfIsZeb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4812
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UAfIsZeb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp68.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2340
    • C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
      "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
      2⤵
        PID:3368
      • C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
        "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
        2⤵
          PID:2788
        • C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
          "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
          2⤵
          • Checks computer location settings
          • Drops startup file
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3080
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3600
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3500
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:392

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      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

        38226d646ad516906fd571731105ce79

        SHA1

        3c0137f7a220ffb162597b209fad25fdda0850ca

        SHA256

        2430670b13d9cc3ec676440e0b130931205317b53c704d7a3608f4b3fb586da3

        SHA512

        b67930368a224dae35b5a7c3d5f5535f50ed4f2852e3ac66ba470eeffccbd50dbae8432124e5dd4f9952b7a61c83e0168663d7d60e7a11b5abe4b34b4c8faa60

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

        Filesize

        18KB

        MD5

        ddd634f7687e07859297ed88cc900881

        SHA1

        a01056297d1691ee242fa11483b9616c7afb7c94

        SHA256

        7b5935b1b0332f3882df585c382d26064b28ea5939dfd35376cacc8cf3226f3a

        SHA512

        51955cee4c754b9850067110b3133038aefe9708b51d9854588c8b6f8ad4c491a7ea857c0406adc2b5d5c6f4375704cf3f5c3e550d83b133f3de9740abbd1767

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

        Filesize

        18KB

        MD5

        19c917be16744546d20cc36fa1b7dda8

        SHA1

        a0e64dc4c7fda098b71c76e34fbc281938633d4c

        SHA256

        840a41cae0eeb352303399a73b942443041419c93183ec88a01c5efe8305d2c7

        SHA512

        6263ce832d248117b6562fcec5c37aa5376ec4011b96002a4a25ccd6592e13b98c9c494a3185cf0c5c6142c385955fbd378ecd5cc780969ef0e6b953b6a01262

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uqh1ft0g.kor.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp68.tmp

        Filesize

        1KB

        MD5

        4c0e5e7ed73e9790bc2945ebc793fc43

        SHA1

        9c584a2c654cf55068d8ffaefc475cbae82d6486

        SHA256

        663799ab2135bd25bf242f0f203be0b0d8b1c4bf05d22009e5f45f5bb8cd3287

        SHA512

        aa16308bc7e50c7ae4e871d4c79e6856e07bf412119340cb60697ef40b8f79f88869b3bc7db375e8bb61025b90fd8cf12ecbbb0f79e47493ff7224230caec040

      • C:\Users\Admin\AppData\Roaming\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

        Filesize

        528KB

        MD5

        046dc61545c4ca911c25cfc844b3b00c

        SHA1

        671cda72944c3920edb83520eb5d2317af0c60cb

        SHA256

        edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

        SHA512

        c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e

      • memory/392-148-0x00000000708C0000-0x000000007090C000-memory.dmp

        Filesize

        304KB

      • memory/392-146-0x00000000057D0000-0x0000000005B24000-memory.dmp

        Filesize

        3.3MB

      • memory/2556-50-0x0000000006820000-0x000000000686C000-memory.dmp

        Filesize

        304KB

      • memory/2556-89-0x0000000007CE0000-0x0000000007CF4000-memory.dmp

        Filesize

        80KB

      • memory/2556-97-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/2556-91-0x0000000007DC0000-0x0000000007DC8000-memory.dmp

        Filesize

        32KB

      • memory/2556-90-0x0000000007DE0000-0x0000000007DFA000-memory.dmp

        Filesize

        104KB

      • memory/2556-77-0x0000000007D20000-0x0000000007DB6000-memory.dmp

        Filesize

        600KB

      • memory/2556-76-0x0000000007B10000-0x0000000007B1A000-memory.dmp

        Filesize

        40KB

      • memory/2556-21-0x00000000060A0000-0x0000000006106000-memory.dmp

        Filesize

        408KB

      • memory/2556-16-0x00000000058E0000-0x0000000005F08000-memory.dmp

        Filesize

        6.2MB

      • memory/2556-17-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/2556-75-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

        Filesize

        104KB

      • memory/2556-72-0x0000000007900000-0x000000000791E000-memory.dmp

        Filesize

        120KB

      • memory/2556-20-0x0000000006000000-0x0000000006022000-memory.dmp

        Filesize

        136KB

      • memory/2556-34-0x0000000006280000-0x00000000065D4000-memory.dmp

        Filesize

        3.3MB

      • memory/2556-40-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/2556-52-0x0000000075B60000-0x0000000075BAC000-memory.dmp

        Filesize

        304KB

      • memory/2556-22-0x0000000006110000-0x0000000006176000-memory.dmp

        Filesize

        408KB

      • memory/2556-18-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/2556-49-0x0000000006750000-0x000000000676E000-memory.dmp

        Filesize

        120KB

      • memory/2556-15-0x00000000051A0000-0x00000000051D6000-memory.dmp

        Filesize

        216KB

      • memory/2556-51-0x0000000007920000-0x0000000007952000-memory.dmp

        Filesize

        200KB

      • memory/3080-42-0x0000000000400000-0x0000000000410000-memory.dmp

        Filesize

        64KB

      • memory/3500-134-0x0000000007C60000-0x0000000007C71000-memory.dmp

        Filesize

        68KB

      • memory/3500-120-0x00000000061B0000-0x0000000006504000-memory.dmp

        Filesize

        3.3MB

      • memory/3500-135-0x0000000007C90000-0x0000000007CA4000-memory.dmp

        Filesize

        80KB

      • memory/3500-123-0x00000000708C0000-0x000000007090C000-memory.dmp

        Filesize

        304KB

      • memory/3500-122-0x0000000006860000-0x00000000068AC000-memory.dmp

        Filesize

        304KB

      • memory/3500-133-0x0000000007750000-0x00000000077F3000-memory.dmp

        Filesize

        652KB

      • memory/3600-99-0x0000000075B60000-0x0000000075BAC000-memory.dmp

        Filesize

        304KB

      • memory/4176-4-0x00000000050A0000-0x000000000513C000-memory.dmp

        Filesize

        624KB

      • memory/4176-9-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/4176-10-0x0000000006490000-0x00000000064E4000-memory.dmp

        Filesize

        336KB

      • memory/4176-8-0x00000000752DE000-0x00000000752DF000-memory.dmp

        Filesize

        4KB

      • memory/4176-7-0x0000000005510000-0x0000000005522000-memory.dmp

        Filesize

        72KB

      • memory/4176-6-0x0000000004F30000-0x0000000004F3A000-memory.dmp

        Filesize

        40KB

      • memory/4176-2-0x0000000005520000-0x0000000005AC4000-memory.dmp

        Filesize

        5.6MB

      • memory/4176-1-0x0000000000420000-0x00000000004AA000-memory.dmp

        Filesize

        552KB

      • memory/4176-48-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/4176-5-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/4176-0-0x00000000752DE000-0x00000000752DF000-memory.dmp

        Filesize

        4KB

      • memory/4176-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

        Filesize

        584KB

      • memory/4812-74-0x0000000007820000-0x0000000007E9A000-memory.dmp

        Filesize

        6.5MB

      • memory/4812-98-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/4812-88-0x00000000073A0000-0x00000000073AE000-memory.dmp

        Filesize

        56KB

      • memory/4812-78-0x0000000007370000-0x0000000007381000-memory.dmp

        Filesize

        68KB

      • memory/4812-73-0x00000000070F0000-0x0000000007193000-memory.dmp

        Filesize

        652KB

      • memory/4812-53-0x0000000075B60000-0x0000000075BAC000-memory.dmp

        Filesize

        304KB

      • memory/4812-41-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/4812-29-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB

      • memory/4812-19-0x00000000752D0000-0x0000000075A80000-memory.dmp

        Filesize

        7.7MB