Overview

overview

10

Static

static

7

Client_protected.exe

windows7-x64

9

Client_protected.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    12s
  • max time network
    14s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 19:56

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General

  • Target

    Client_protected.exe

  • Size

    2.9MB

  • MD5

    29e814ca993bb291e2965e965efea4e7

  • SHA1

    04e4771d22bcc4fcfaeecec4e45177e4f16752e7

  • SHA256

    24e4267cb003cbeb5bdaffbf4089bff010cad46033172894165e765adb55f308

  • SHA512

    340cb2d1381175bf0c6d33901b3bfd6b5ef13affb236901922f942f0b085e99b3bdce358a2066cdf636af2634858a18a3cc0c25862a6258f3c695668524bcc68

  • SSDEEP

    49152:DWcmOyXHtKsdNH4R8Qips6kIbBAQMaNJObmgd3nQCxdfNd26k:DeRos94tipTOQJObm63bdT

Score
10/10
xwormdiscoveryevasionexecutionratthemidatrojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7666

192.168.1.46:7666
Attributes
  • Install_directory

    %Userprofile%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    evasion
  • 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.

    execution
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client_protected.exe
    "C:\Users\Admin\AppData\Local\Temp\Client_protected.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4872
    • C:\Users\Admin\AppData\Local\Temp\Particle.exe
      "C:\Users\Admin\AppData\Local\Temp\Particle.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3220
      • 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\Particle.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4060
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Particle.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1732
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\Breeze Dependencies'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:316
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Breeze Dependencies'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:3176

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

    Download Submit

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

    944B

    MD5

    6d42b6da621e8df5674e26b799c8e2aa

    SHA1

    ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

    SHA256

    5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

    SHA512

    53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

    Download Submit

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

    944B

    MD5

    9bc110200117a3752313ca2acaf8a9e1

    SHA1

    fda6b7da2e7b0175b391475ca78d1b4cf2147cd3

    SHA256

    c88e4bbb64f7fa31429ebe82c1cf07785c44486f37576f783a26ac856e02a4eb

    SHA512

    1f1af32aa18a8cbfcc65b0d4fb7e6ca2705f125eaa85789e981ee68b90c64522e954825abf460d4b4f97567715dfae8d9b0a25a4d54d10bc4c257c472f2e80fb

    Download Submit

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

    944B

    MD5

    696f5ad1e7b455915f64841dc03e9d02

    SHA1

    918b22709749ba8e9b50c1a65e73fd1031f8093b

    SHA256

    da674983059da6c544806ffad286c9f3d07e7c03b75d8358df25abe748fede9e

    SHA512

    cdb9011ce6806d1670d8add663169f77edcb3b233ffdba30b81af2314d201902eee56e7d97e065ef8676c0015d7b4b62784ca4fec5cde48cbc9f2e52e253656d

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\Particle.exe
    Filesize

    66KB

    MD5

    5ef72dadacfa3b577e843899b7ca8b77

    SHA1

    d09a930c3be9640dedd5e05abc56b8e144feb2a7

    SHA256

    e96dc38a4dbc211fed709d64e5c8d5b03ae46ec6fe68ad94fd26345790ff88b2

    SHA512

    ece848c67382ebdc5090a4430a7d74d7454ab9cca94329e3bc1111a2d409e1898ab102705526d742831e156149dde911e87a9573da5b57415ab914914af722c5

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  • C:\Users\Admin\AppData\Local\Temp\WinX32.exe
    Filesize

    280KB

    MD5

    051c0a41381689872c06759d892d5be4

    SHA1

    925c61ff4afaf40f1210814b7cb4039632ec788e

    SHA256

    1431e1f1390fe535c6732077e45cfcd2d3493fb3e7d2672d9f6a6f97feaa4824

    SHA512

    d31bd9483df8175e97b4654ae4f5a4280365f9375dbc8ce7c960d0b687aa4ae1681bec4970537e02b56539e01002fbb028a394a9144fcf88461fd4e91c3ec519

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3n2rqdqc.gra.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

  • memory/3220-38-0x00007FFEBC303000-0x00007FFEBC305000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3220-40-0x0000000000310000-0x0000000000326000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3220-43-0x00007FFEBC300000-0x00007FFEBCDC1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4060-54-0x0000025DACD10000-0x0000025DACD32000-memory.dmp

    Filesize

    136KB

    Download

  • memory/4872-0-0x0000000000400000-0x0000000000B71000-memory.dmp

    Filesize

    7.4MB

    Download

  • memory/4872-42-0x0000000000400000-0x0000000000B71000-memory.dmp

    Filesize

    7.4MB

    Download

  • memory/4872-1-0x0000000077AA4000-0x0000000077AA6000-memory.dmp

    Filesize

    8KB

    Download