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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 11:01

General

  • Target

    loader_prod.exe

  • Size

    89KB

  • MD5

    328d05edc1ca2d1d3cc892beca505143

  • SHA1

    be02dc90c9f8993c7286ecdf15759e420b214ecf

  • SHA256

    7f4036762f4c4b3e8172c8df055973b78bd2f697d9a9d29c194830b6b02394c7

  • SHA512

    ae5617621611b8acd7954dffd493e065dbc6fc2830c6e5ac71b85ba3c89b43eb201a1ecf7f5f1fc6d30ed4cd4562be760c5476a51b6aef399f26e6198a55705d

  • SSDEEP

    1536:Br8Ahimg9SRqFun0+Eu9AFVU9sLwKGcCHoS1oVZJeEAhtjlpDefQ01:BgNIqFun0+Ea2LUca8eEA/jldoQ0

Malware Config

Extracted

Family

xworm

C2

trip-thesaurus.gl.at.ply.gg:16715

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 4 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.

  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 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\loader_prod.exe
    "C:\Users\Admin\AppData\Local\Temp\loader_prod.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGoAagBjACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHEAZgBwACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHEAZgBxACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGcAZABtACMAPgA="
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:628
    • C:\Users\Admin\AppData\Roaming\Update.exe
      "C:\Users\Admin\AppData\Roaming\Update.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4672
      • 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:3684
      • 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:2580
      • 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:4460
      • 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:4244
      • 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:412
  • C:\Users\Admin\AppData\Roaming\Update.exe
    C:\Users\Admin\AppData\Roaming\Update.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1364
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2868
  • C:\Users\Admin\AppData\Roaming\Update.exe
    C:\Users\Admin\AppData\Roaming\Update.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2152
  • C:\Users\Admin\AppData\Roaming\Update.exe
    C:\Users\Admin\AppData\Roaming\Update.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Update.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

    1f545274ba19d9199a78f74cd05e8187

    SHA1

    4036cf78d3f310af42963c8f16ae27c5922b5dff

    SHA256

    3b4780cb2e226f4b05643c0b512960e694f21b35bbbe84d5c5e97628e1f8909c

    SHA512

    b0f66a6c32cb7f2f96b51c141ffe7df7f4fd61a792e6a3756f54b6d0df6f48d7a3bda23d46ee1e18a22ac995520fb9c4ca1b444d204bdd8f3e4b8651f59adc0d

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

    Filesize

    944B

    MD5

    6d3e9c29fe44e90aae6ed30ccf799ca8

    SHA1

    c7974ef72264bbdf13a2793ccf1aed11bc565dce

    SHA256

    2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

    SHA512

    60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

  • 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\Temp\__PSScriptPolicyTest_d2iockbo.o5t.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

    54d395bd07715af94bad3a910774420b

    SHA1

    43408e2442338e4e27dec475150b62602c195a65

    SHA256

    2934994a75310a485585cc826c35c3c1069c4e328325e2f4cefdf1c5971f60cd

    SHA512

    0ab08ff784a6f7d7d6bba2415bc304153416897ac727478034bfbb1f8a319555e2d8abb00a8868c220757c54a2773ec9d109795ccaae0dce3195ee8f8246b839

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

    Filesize

    83KB

    MD5

    6908326829a181b7d9682442946b31e6

    SHA1

    45089240ad3b298ec177703e0c52731930ae1a83

    SHA256

    f87c0372fa88cce78b0ea55b12690f2b69d457a767982d29eee7ee21c3ac04ae

    SHA512

    144b7167b2e6e984b7f202ab075b61a49621c12648ec3c46bb130e16d2fca1846f3962772f4db8f5f0f7f104d4d6dd3e3820542cfa004cc70b60f014b687e120

  • memory/628-30-0x0000000005A90000-0x0000000005DE4000-memory.dmp

    Filesize

    3.3MB

  • memory/628-56-0x0000000007510000-0x0000000007524000-memory.dmp

    Filesize

    80KB

  • memory/628-20-0x0000000005910000-0x0000000005976000-memory.dmp

    Filesize

    408KB

  • memory/628-18-0x0000000004EC0000-0x0000000004EE2000-memory.dmp

    Filesize

    136KB

  • memory/628-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/628-31-0x0000000005F90000-0x0000000005FAE000-memory.dmp

    Filesize

    120KB

  • memory/628-32-0x0000000005FD0000-0x000000000601C000-memory.dmp

    Filesize

    304KB

  • memory/628-33-0x0000000007160000-0x0000000007192000-memory.dmp

    Filesize

    200KB

  • memory/628-35-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/628-45-0x0000000006550000-0x000000000656E000-memory.dmp

    Filesize

    120KB

  • memory/628-34-0x0000000070560000-0x00000000705AC000-memory.dmp

    Filesize

    304KB

  • memory/628-46-0x00000000071A0000-0x0000000007243000-memory.dmp

    Filesize

    652KB

  • memory/628-47-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/628-48-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/628-49-0x0000000007900000-0x0000000007F7A000-memory.dmp

    Filesize

    6.5MB

  • memory/628-50-0x00000000072C0000-0x00000000072DA000-memory.dmp

    Filesize

    104KB

  • memory/628-51-0x0000000007330000-0x000000000733A000-memory.dmp

    Filesize

    40KB

  • memory/628-52-0x0000000007550000-0x00000000075E6000-memory.dmp

    Filesize

    600KB

  • memory/628-53-0x00000000074C0000-0x00000000074D1000-memory.dmp

    Filesize

    68KB

  • memory/628-13-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/628-55-0x0000000007500000-0x000000000750E000-memory.dmp

    Filesize

    56KB

  • memory/628-19-0x00000000058A0000-0x0000000005906000-memory.dmp

    Filesize

    408KB

  • memory/628-57-0x00000000075F0000-0x000000000760A000-memory.dmp

    Filesize

    104KB

  • memory/628-58-0x0000000007540000-0x0000000007548000-memory.dmp

    Filesize

    32KB

  • memory/628-14-0x0000000004A40000-0x0000000004A76000-memory.dmp

    Filesize

    216KB

  • memory/628-71-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/628-16-0x00000000050B0000-0x00000000056D8000-memory.dmp

    Filesize

    6.2MB

  • memory/628-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2868-125-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/2868-121-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/2868-119-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/2868-113-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/2868-115-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/2868-114-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/2868-120-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/2868-123-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/2868-124-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/2868-122-0x0000023811F20000-0x0000023811F21000-memory.dmp

    Filesize

    4KB

  • memory/3684-59-0x00000203E5CE0000-0x00000203E5D02000-memory.dmp

    Filesize

    136KB

  • memory/4672-54-0x000000001B710000-0x000000001B720000-memory.dmp

    Filesize

    64KB

  • memory/4672-110-0x000000001B710000-0x000000001B720000-memory.dmp

    Filesize

    64KB

  • memory/4672-12-0x0000000000B80000-0x0000000000B9C000-memory.dmp

    Filesize

    112KB

  • memory/4672-11-0x00007FFA81943000-0x00007FFA81945000-memory.dmp

    Filesize

    8KB