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Analysis

  • max time kernel
    138s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 13:20

General

  • Target

    401c04370ccefbc9fc186f227d7dcb029c2dfa23c8a77011abe51305471247ad.exe

  • Size

    79KB

  • MD5

    f1e41321cd4394089842e5121d5cb649

  • SHA1

    96e3aff8a0eecda81e8d0b10323a1680b1136387

  • SHA256

    401c04370ccefbc9fc186f227d7dcb029c2dfa23c8a77011abe51305471247ad

  • SHA512

    243adaeca82d89fa982c839c0b730b26e32a228d8e493edb04508f416b262334263c435fead1bffa3ad54a2b574e99cae2fa82d13d2d0c3dbca28c5184f4c9e3

  • SSDEEP

    1536:IU8SlJ3N8bspa09DfVtHbRZuBDXcCK68u2yOeYdXGnE1B:cSlJrDHbRZMDXUmO9Wn6B

Malware Config

Extracted

Family

xworm

C2

listing-trackbacks.gl.at.ply.gg:8848

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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
  • Executes dropped EXE 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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\401c04370ccefbc9fc186f227d7dcb029c2dfa23c8a77011abe51305471247ad.exe
    "C:\Users\Admin\AppData\Local\Temp\401c04370ccefbc9fc186f227d7dcb029c2dfa23c8a77011abe51305471247ad.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:2904
    • 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\401c04370ccefbc9fc186f227d7dcb029c2dfa23c8a77011abe51305471247ad.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1756
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '401c04370ccefbc9fc186f227d7dcb029c2dfa23c8a77011abe51305471247ad.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • 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\TLauncher'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4468
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'TLauncher'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1036
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "TLauncher" /tr "C:\Users\Admin\AppData\Roaming\TLauncher"
      2⤵
      • Creates scheduled task(s)
      PID:4948
  • C:\Users\Admin\AppData\Roaming\TLauncher
    C:\Users\Admin\AppData\Roaming\TLauncher
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2396
  • C:\Users\Admin\AppData\Roaming\TLauncher
    C:\Users\Admin\AppData\Roaming\TLauncher
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    cadef9abd087803c630df65264a6c81c

    SHA1

    babbf3636c347c8727c35f3eef2ee643dbcc4bd2

    SHA256

    cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

    SHA512

    7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

    Filesize

    944B

    MD5

    0256bd284691ed0fc502ef3c8a7e58dc

    SHA1

    dcdf69dc8ca8bf068f65d20ef1563bbe283e2413

    SHA256

    e2fb83098e114084f51ed7187334f861ce670051046c39f338928296ca9a49cf

    SHA512

    c5b29c1e0a15ddb68b0579848066774fa7cdc6f35087bbbf47c05a5c0dcc1eb3e61b2ddadfbded8c1ed9820e637596a9f08a97db8fb18000d168e6b159060c42

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

    Filesize

    944B

    MD5

    9c740b7699e2363ac4ecdf496520ca35

    SHA1

    aa8691a8c56500d82c5fc8c35209bc6fe50ab1d9

    SHA256

    be96c91b62ba9ba7072ab89e66543328c9e4395150f9dbe8067332d94a3ecc61

    SHA512

    8885683f96353582eb871209e766e7eba1a72a2837ce27ea298b7b5b169621d1fa3fce25346b6bfd258b52642644234da9559d4e765a2023a5a5fc1f544cc7af

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bowa3t0j.hql.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\TLauncher

    Filesize

    79KB

    MD5

    f1e41321cd4394089842e5121d5cb649

    SHA1

    96e3aff8a0eecda81e8d0b10323a1680b1136387

    SHA256

    401c04370ccefbc9fc186f227d7dcb029c2dfa23c8a77011abe51305471247ad

    SHA512

    243adaeca82d89fa982c839c0b730b26e32a228d8e493edb04508f416b262334263c435fead1bffa3ad54a2b574e99cae2fa82d13d2d0c3dbca28c5184f4c9e3

  • memory/1756-18-0x00007FFC0ADF0000-0x00007FFC0B8B1000-memory.dmp

    Filesize

    10.8MB

  • memory/1756-17-0x000001D17B2E0000-0x000001D17B4FC000-memory.dmp

    Filesize

    2.1MB

  • memory/1756-10-0x000001D17B2B0000-0x000001D17B2D2000-memory.dmp

    Filesize

    136KB

  • memory/1756-4-0x00007FFC0ADF0000-0x00007FFC0B8B1000-memory.dmp

    Filesize

    10.8MB

  • memory/1756-3-0x00007FFC0ADF0000-0x00007FFC0B8B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2904-1-0x0000000000EE0000-0x0000000000EFA000-memory.dmp

    Filesize

    104KB

  • memory/2904-57-0x00007FFC0ADF0000-0x00007FFC0B8B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2904-2-0x00007FFC0ADF0000-0x00007FFC0B8B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2904-0-0x00007FFC0ADF3000-0x00007FFC0ADF5000-memory.dmp

    Filesize

    8KB

  • memory/4468-42-0x000001EEF8280000-0x000001EEF849C000-memory.dmp

    Filesize

    2.1MB