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Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/11/2024, 05:16

General

  • Target

    17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe

  • Size

    74KB

  • MD5

    cdeaf8412bd8a931e78dd431b3452854

  • SHA1

    27e36f2fe61f25f488f96bca51c80cc6e4954d0e

  • SHA256

    17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213

  • SHA512

    654b6469c0f2caa02e9effdb5eac73921bd04a01531e6a33264e57a53aad8a5c07c1da5459cf699864662cbe23ce8e5b72d12ff308826d4f31f0a6b3ea317e9d

  • SSDEEP

    1536:YaoOInO4f0bgcPLQ+2HUx1F6znOOi0gYvl3FHJ:toJnDcbXzr2HfOOi0gYNFHJ

Malware Config

Extracted

Family

xworm

C2

price-slow.gl.at.ply.gg:28067

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

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 4 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.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe
    "C:\Users\Admin\AppData\Local\Temp\17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:396
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '17ec1863733680b6072ae31fc2476c1919c2a38176267df1f602218bd5dcf213.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3876
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4344
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788

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

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

    Filesize

    944B

    MD5

    2979eabc783eaca50de7be23dd4eafcf

    SHA1

    d709ce5f3a06b7958a67e20870bfd95b83cad2ea

    SHA256

    006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903

    SHA512

    92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba

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

    Filesize

    944B

    MD5

    ba169f4dcbbf147fe78ef0061a95e83b

    SHA1

    92a571a6eef49fff666e0f62a3545bcd1cdcda67

    SHA256

    5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

    SHA512

    8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

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

    Filesize

    944B

    MD5

    eb1ad317bd25b55b2bbdce8a28a74a94

    SHA1

    98a3978be4d10d62e7411946474579ee5bdc5ea6

    SHA256

    9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

    SHA512

    d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rau1lvbt.px5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/396-9-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/396-14-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/396-15-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/396-18-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/396-8-0x000001CDAF8C0000-0x000001CDAF8E2000-memory.dmp

    Filesize

    136KB

  • memory/5104-0-0x00007FFF96933000-0x00007FFF96935000-memory.dmp

    Filesize

    8KB

  • memory/5104-2-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/5104-1-0x00000000004B0000-0x00000000004C8000-memory.dmp

    Filesize

    96KB

  • memory/5104-57-0x00007FFF96933000-0x00007FFF96935000-memory.dmp

    Filesize

    8KB

  • memory/5104-58-0x000000001B6B0000-0x000000001B7B2000-memory.dmp

    Filesize

    1.0MB

  • memory/5104-59-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB