Analysis

  • max time kernel
    34s
  • max time network
    33s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2025 15:29

General

  • Target

    msedge.exe

  • Size

    9.6MB

  • MD5

    12836b3817f7e85b810575446bb72255

  • SHA1

    dd0f8dca4eceef452c870e3c8bbfdade5af5d55a

  • SHA256

    1218026b31245222007dd76af6add1ad688e68c1bb6480c24e9d0ebbdc7e2d6b

  • SHA512

    5fb88f976038beae520621fb7e7cdef66e0ca613f2856b2af9aea011b2c1e6f8a9eb534fe079c9d4572aae2ac1465153bfde9892cb8a4d25a186169836005bbd

  • SSDEEP

    196608:FevF+BpyvdJFOcTnMLghtBuXnmHzWR+1/apPBd:wv4Bs8eMMLuXnOyRaaP

Malware Config

Extracted

Family

xworm

C2

6.tcp.eu.ngrok.io:27099

Attributes
  • Install_directory

    %AppData%

  • install_file

    Update.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 4 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
  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 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.

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 52 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 36 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 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\msedge.exe
    "C:\Users\Admin\AppData\Local\Temp\msedge.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGIAcgB1ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGwAdgB3ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGUAagBiACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGwAZAByACMAPgA="
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2944
    • C:\Users\Admin\AppData\Roaming\msedge.exe
      "C:\Users\Admin\AppData\Roaming\msedge.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3480
      • 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\msedge.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3936
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'msedge.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1464
      • 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\Update.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1652
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Update.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1144
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Update" /tr "C:\Users\Admin\AppData\Roaming\Update.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3168
    • C:\Users\Admin\AppData\Roaming\UnamBinder.exe
      "C:\Users\Admin\AppData\Roaming\UnamBinder.exe"
      2⤵
      • Executes dropped EXE
      PID:4584
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4868

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

    5c8ea9d884103d067a1ba2e422a2b1ed

    SHA1

    3ddf0f71f84e1b595b6f8862c649445a6d188ed6

    SHA256

    d77147b11db5fdb60f2a0a1157944a3a59d713ff9996be33bd05d1e92fb2c28b

    SHA512

    8366f4756c2390a631d7083b03b40a335cd05ae5c302fe3512919200ac4980e8c6b94e2e9ce634ab75f6bfa06a851a23b29e43afef3ad58b1b70d3d6bc569aca

  • 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

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5znvzscf.pkv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.lnk

    Filesize

    766B

    MD5

    d544c86f5a76028f40f7a60a0c88015e

    SHA1

    f0176a69e4a2c031083f3cc77458343360ca0d40

    SHA256

    50ab7889c0a6d9b4b058fc38cdee7b2a0299b2eeab3a9d154eae850deb01c809

    SHA512

    58835bc3dc97dbef7cae0eb92d5286debb006f1dd16505a5f3b67d58765c3fd357cb6b8c72aefb57932d0be29d7bff582be8d561ec32e737617be9c7d11aa979

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

    Filesize

    9.4MB

    MD5

    70565dbd654937df2eaefc7c79941169

    SHA1

    5cb8daf1185704a9772f07dcec2e499149517715

    SHA256

    a90ba5a56422c0d2a41f28da056affd69cc8929e14dcdab1583ec96b50b8e28d

    SHA512

    64b89f77d6528c838c0288c59203455ea3318028816d4426f818c6b8c3258d8e5e13242b175d7b3402547cfd5a0acddb212b9f9b5bbf5d259cd4befc2d078a4c

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

    Filesize

    198KB

    MD5

    e909c1234a764ec94ac26555987c1c03

    SHA1

    1c8a276609f27b1ba2fb29f903decadbfeb54062

    SHA256

    57be2cc46a9ec99f458036f667750aac259f3dee60d2c1337e97096e347026fb

    SHA512

    7687f3312e2b47460924eb7a0c16b1321e06646e456ac17b1c87049b35c76c3d47d50c3a4003273175f402dd6c02eb86adc3c2aefb3dd45f241cb2aab5ab4eef

  • memory/2944-32-0x0000000006090000-0x00000000060F6000-memory.dmp

    Filesize

    408KB

  • memory/2944-26-0x0000000073C10000-0x00000000743C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2944-30-0x00000000057B0000-0x00000000057D2000-memory.dmp

    Filesize

    136KB

  • memory/2944-105-0x0000000073C10000-0x00000000743C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2944-29-0x00000000058F0000-0x0000000005F18000-memory.dmp

    Filesize

    6.2MB

  • memory/2944-28-0x0000000003290000-0x00000000032A0000-memory.dmp

    Filesize

    64KB

  • memory/2944-33-0x0000000006100000-0x0000000006166000-memory.dmp

    Filesize

    408KB

  • memory/2944-43-0x0000000006270000-0x00000000065C4000-memory.dmp

    Filesize

    3.3MB

  • memory/2944-44-0x0000000006780000-0x000000000679E000-memory.dmp

    Filesize

    120KB

  • memory/2944-45-0x00000000067C0000-0x000000000680C000-memory.dmp

    Filesize

    304KB

  • memory/2944-21-0x0000000073C1E000-0x0000000073C1F000-memory.dmp

    Filesize

    4KB

  • memory/2944-48-0x0000000070D90000-0x0000000070DDC000-memory.dmp

    Filesize

    304KB

  • memory/2944-47-0x0000000007730000-0x0000000007762000-memory.dmp

    Filesize

    200KB

  • memory/2944-58-0x0000000006D50000-0x0000000006D6E000-memory.dmp

    Filesize

    120KB

  • memory/2944-59-0x0000000007970000-0x0000000007A13000-memory.dmp

    Filesize

    652KB

  • memory/2944-60-0x00000000080E0000-0x000000000875A000-memory.dmp

    Filesize

    6.5MB

  • memory/2944-61-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

    Filesize

    104KB

  • memory/2944-62-0x0000000007B10000-0x0000000007B1A000-memory.dmp

    Filesize

    40KB

  • memory/2944-63-0x0000000007D30000-0x0000000007DC6000-memory.dmp

    Filesize

    600KB

  • memory/2944-64-0x0000000007CA0000-0x0000000007CB1000-memory.dmp

    Filesize

    68KB

  • memory/2944-91-0x0000000007D20000-0x0000000007D28000-memory.dmp

    Filesize

    32KB

  • memory/2944-90-0x0000000007DD0000-0x0000000007DEA000-memory.dmp

    Filesize

    104KB

  • memory/2944-25-0x0000000003190000-0x00000000031C6000-memory.dmp

    Filesize

    216KB

  • memory/2944-83-0x0000000007CE0000-0x0000000007CEE000-memory.dmp

    Filesize

    56KB

  • memory/2944-89-0x0000000007CF0000-0x0000000007D04000-memory.dmp

    Filesize

    80KB

  • memory/3480-46-0x000000001B5F0000-0x000000001B600000-memory.dmp

    Filesize

    64KB

  • memory/3480-11-0x00007FFD352C3000-0x00007FFD352C5000-memory.dmp

    Filesize

    8KB

  • memory/3480-12-0x0000000000940000-0x0000000000976000-memory.dmp

    Filesize

    216KB

  • memory/3480-137-0x000000001B5F0000-0x000000001B600000-memory.dmp

    Filesize

    64KB

  • memory/3936-70-0x000002117C250000-0x000002117C272000-memory.dmp

    Filesize

    136KB

  • memory/4584-27-0x00007FFD352C3000-0x00007FFD352C5000-memory.dmp

    Filesize

    8KB

  • memory/4584-31-0x000001C5B2AA0000-0x000001C5B3402000-memory.dmp

    Filesize

    9.4MB

  • memory/4584-123-0x00007FFD352C3000-0x00007FFD352C5000-memory.dmp

    Filesize

    8KB

  • memory/4868-126-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB

  • memory/4868-136-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB

  • memory/4868-135-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB

  • memory/4868-134-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB

  • memory/4868-133-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB

  • memory/4868-132-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB

  • memory/4868-131-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB

  • memory/4868-130-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB

  • memory/4868-125-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB

  • memory/4868-124-0x000001A4FAC30000-0x000001A4FAC31000-memory.dmp

    Filesize

    4KB