Analysis

  • max time kernel
    108s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 01:48

General

  • Target

    ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe

  • Size

    73KB

  • MD5

    aacc73d0a647ab74ba2ad88bfe582ae0

  • SHA1

    7beb364e023cdf3ac235123a42a338178f3bb418

  • SHA256

    ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372

  • SHA512

    20a20602c6ef314b9ed1c6df330bfa806e25c3ee63bfe35cd108fcef606ae2deb73691b00b46ae7274437b1b1b99a79e4872d15aaf79b506a5e13609d4960179

  • SSDEEP

    1536:PsAOvLB0oKhtWIu+0PZbcYoOLykP26cNUOnkjGYWYVg:PHI9KhtWIuhPZbceBP4UOnkjBW6g

Malware Config

Extracted

Family

xworm

Version

3.0

C2

production-loading.gl.at.ply.gg:48573

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

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

    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
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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:\Users\Admin\AppData\Local\Temp\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe
    "C:\Users\Admin\AppData\Local\Temp\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2192
    • 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\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3368
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4532
    • 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\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1840
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N" /tr "C:\Users\Admin\AppData\Roaming\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3460
  • C:\Users\Admin\AppData\Roaming\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe
    C:\Users\Admin\AppData\Roaming\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1516
  • C:\Users\Admin\AppData\Roaming\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe
    C:\Users\Admin\AppData\Roaming\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4604

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe.log

          Filesize

          654B

          MD5

          2ff39f6c7249774be85fd60a8f9a245e

          SHA1

          684ff36b31aedc1e587c8496c02722c6698c1c4e

          SHA256

          e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

          SHA512

          1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

        • 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

          77d622bb1a5b250869a3238b9bc1402b

          SHA1

          d47f4003c2554b9dfc4c16f22460b331886b191b

          SHA256

          f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

          SHA512

          d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

          Filesize

          944B

          MD5

          b801d886e417a9bf405b2f0092e04fe1

          SHA1

          fa99fefa2f49af240141692f78c8c28f04205389

          SHA256

          57b1c29eef54567fcfdaa28d2923485cb6f77bb76dc54235965fb34f02a42636

          SHA512

          b2c8bf95b4c25d7fff388b5f3e04212c43af9588f7aed8a7cb251330ee18c89789eb1d294b8449ec2afeb9b5373d7a6dce8f4369b84cbfb6a7c7813341fa07ff

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pxn2yokl.apk.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Roaming\ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372N.exe

          Filesize

          73KB

          MD5

          aacc73d0a647ab74ba2ad88bfe582ae0

          SHA1

          7beb364e023cdf3ac235123a42a338178f3bb418

          SHA256

          ee33e6da81e5abbb291bbbf3681ef6b48e17037500ffe4b90f60a5d078957372

          SHA512

          20a20602c6ef314b9ed1c6df330bfa806e25c3ee63bfe35cd108fcef606ae2deb73691b00b46ae7274437b1b1b99a79e4872d15aaf79b506a5e13609d4960179

        • memory/2192-0-0x00007FFC04313000-0x00007FFC04315000-memory.dmp

          Filesize

          8KB

        • memory/2192-49-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

          Filesize

          10.8MB

        • memory/2192-50-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

          Filesize

          10.8MB

        • memory/2192-1-0x0000000000F60000-0x0000000000F78000-memory.dmp

          Filesize

          96KB

        • memory/3368-13-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

          Filesize

          10.8MB

        • memory/3368-14-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

          Filesize

          10.8MB

        • memory/3368-17-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

          Filesize

          10.8MB

        • memory/3368-12-0x00007FFC04310000-0x00007FFC04DD1000-memory.dmp

          Filesize

          10.8MB

        • memory/3368-7-0x0000025337220000-0x0000025337242000-memory.dmp

          Filesize

          136KB