Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-07-2024 19:59

General

  • Target

    4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe

  • Size

    163KB

  • MD5

    c9ecd9d8da218f635e1e3eb17b36c5ee

  • SHA1

    6b14cf165fed4c9162a4eafa318b4fb0c36179ae

  • SHA256

    4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac

  • SHA512

    3d08906cb93b6fde2ba00b857caba32d5dd6d787fbc9356a310b8bc8688620a0c7f2a39114dbd705f736d5721f6ca613d859ccc3b752f780398146801777be5e

  • SSDEEP

    3072:Ie36qVTppS1GzxfExMNtuHBZYyHm836yDlWH7wUoh4V5RuEm9:I+NVTpUkzpEYtuA8qClWUGD

Malware Config

Extracted

Family

xworm

C2

serveo.net:8545

Attributes
  • Install_directory

    %AppData%

  • install_file

    svbhost.exe

Extracted

Family

discordrat

Attributes
  • discord_token

    MTI0MzQwMTQ3NzkxNDA5OTc0Mg.GWaL1X.yE8UNSG-cUTQGBUsIKtYnV7nQvqnPmErG-61w8

  • server_id

    1265998097473994865

Signatures

  • Detect Xworm Payload 2 IoCs
  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • 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 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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).

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 14 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\4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe
    "C:\Users\Admin\AppData\Local\Temp\4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Roaming\LocalSystem.exe
      "C:\Users\Admin\AppData\Roaming\LocalSystem.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Users\Admin\AppData\Roaming\svbhost.exe
      "C:\Users\Admin\AppData\Roaming\svbhost.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3828
      • 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\svbhost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3092
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svbhost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:432
      • 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\svbhost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1020
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svbhost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3104
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svbhost" /tr "C:\Users\Admin\AppData\Roaming\svbhost.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3616
  • C:\Users\Admin\AppData\Roaming\svbhost.exe
    C:\Users\Admin\AppData\Roaming\svbhost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3036
  • C:\Users\Admin\AppData\Roaming\svbhost.exe
    C:\Users\Admin\AppData\Roaming\svbhost.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\powershell.exe.log

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

    Filesize

    944B

    MD5

    bd5940f08d0be56e65e5f2aaf47c538e

    SHA1

    d7e31b87866e5e383ab5499da64aba50f03e8443

    SHA256

    2d2f364c75bd2897504249f42cdf1d19374f5230aad68fa9154ea3d03e3031a6

    SHA512

    c34d10c7e07da44a180fae9889b61f08903aa84e8ddfa80c31c272b1ef9d491b8cec6b8a4c836c3cb1583fe8f4955c6a8db872515de3a9e10eae09610c959406

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

    Filesize

    944B

    MD5

    110b59ca4d00786d0bde151d21865049

    SHA1

    557e730d93fdf944a0cad874022df1895fb5b2e2

    SHA256

    77f69011c214ea5a01fd2035d781914c4893aee66d784deadc22179eadfdf77f

    SHA512

    cb55ac6eca50f4427718bace861679c88b2fdfea94d30209e8d61ca73a6ce9f8c4b5334922d2660a829b0636d20cbdf3bae1497c920e604efe6c636019feb10e

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

    Filesize

    944B

    MD5

    735388b98281cec7d063b1b470c13632

    SHA1

    7536ce1c5f3732fac491d7038e24124551c4290a

    SHA256

    843fced254477f5ad803cc98e853d7ab674852d5e94bc174497691b736d49e69

    SHA512

    30244c596f4c3cc0194186a210170f04985b77fc90f10cff0a2fbd07e079944e5f8c9998759219363033c450b6a4093ad1b3d75e0a0fae1aa6208a61a88a9717

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ovqvxmru.mv0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    78KB

    MD5

    b6765909918ec4af8352f71968a00b18

    SHA1

    2f522c3d40a8b1c92acc6ec7925a899edc033ec3

    SHA256

    2fe459a85bdb8417d41200d611c4e85c838dd8215495d21815da2c8d53bf30a4

    SHA512

    487133b0e085d3d43b4fdda17ebd4a7a58ebf4dd3c4eb0a90b6e0d274cfc6d50357b9a865727c9d68bae9eb27212a87ffa87a3834b76b6594eb558fc720501f4

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

    Filesize

    75KB

    MD5

    7b9e7b25acb76ccdd31184a35521ca30

    SHA1

    4e4201a3de53645e8c2a5d563a9745a48e08e662

    SHA256

    4ac2e41ebb4502f4196cf5fe03a3c0189f438dbc9088c665078895853831a709

    SHA512

    26c05d17e2b604dbcc438d9ce013aec330707c7fa55f1b7ac545991d43dec8d28efe43b5332703b36e2750b9e52075cf8577af2c09aec89511f643a880486361

  • memory/2712-13-0x000001431CE30000-0x000001431CE48000-memory.dmp

    Filesize

    96KB

  • memory/2712-80-0x00007FFF45670000-0x00007FFF46131000-memory.dmp

    Filesize

    10.8MB

  • memory/2712-82-0x00007FFF45670000-0x00007FFF46131000-memory.dmp

    Filesize

    10.8MB

  • memory/2712-32-0x0000014337C50000-0x0000014338178000-memory.dmp

    Filesize

    5.2MB

  • memory/2712-30-0x00007FFF45670000-0x00007FFF46131000-memory.dmp

    Filesize

    10.8MB

  • memory/2712-27-0x0000014337410000-0x00000143375D2000-memory.dmp

    Filesize

    1.8MB

  • memory/2712-28-0x00007FFF45670000-0x00007FFF46131000-memory.dmp

    Filesize

    10.8MB

  • memory/2988-0-0x00007FFF45673000-0x00007FFF45675000-memory.dmp

    Filesize

    8KB

  • memory/2988-1-0x0000000000B50000-0x0000000000B80000-memory.dmp

    Filesize

    192KB

  • memory/3092-42-0x000001E0F35C0000-0x000001E0F35E2000-memory.dmp

    Filesize

    136KB

  • memory/3828-26-0x00000000005D0000-0x00000000005EA000-memory.dmp

    Filesize

    104KB

  • memory/3828-29-0x00007FFF45670000-0x00007FFF46131000-memory.dmp

    Filesize

    10.8MB

  • memory/3828-81-0x00007FFF45670000-0x00007FFF46131000-memory.dmp

    Filesize

    10.8MB

  • memory/3828-31-0x00007FFF45670000-0x00007FFF46131000-memory.dmp

    Filesize

    10.8MB

  • memory/3828-83-0x00007FFF45670000-0x00007FFF46131000-memory.dmp

    Filesize

    10.8MB