Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/05/2024, 03:48

General

  • Target

    SecuriteInfo.com.Win64.PWSXgen.10080.20186.exe

  • Size

    1.4MB

  • MD5

    e84bb6efc8e0ebec1826b770cfb59bd9

  • SHA1

    5fe35e0b634a95fcff997882839004a225a29bf1

  • SHA256

    2d1c1347b0e889a6f74fed1878738e0026ea2fe10c8082d9ba5fcdb0e8ed939b

  • SHA512

    562cef1a697cdb516d09341b58d790984284b6617ba5a24040b1a36ae3cd448b8857a7e5dcd1f541d5e18888fe7b525894077fce08463d5a7dfe2b00eb0de810

  • SSDEEP

    24576:uOnCbIk+tdLb0Tj3ndie/UV7EMhD6ZnlyBI0DJewitKUiVh8t6S9U8XxT9Q+FTtT:prUlH0UcBS9UutT

Malware Config

Extracted

Family

xworm

Version

5.0

C2

79.110.49.133:5700

Mutex

Bg9JRZDpyEfXxrAy

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.

  • Windows security modification 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.PWSXgen.10080.20186.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.PWSXgen.10080.20186.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3552
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.PWSXgen.10080.20186.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2308
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4152
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
      2⤵
        PID:5028

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qgqia4ut.1gk.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2308-20-0x00007FF8E5BB0000-0x00007FF8E6671000-memory.dmp

      Filesize

      10.8MB

    • memory/2308-8-0x00007FF8E5BB3000-0x00007FF8E5BB5000-memory.dmp

      Filesize

      8KB

    • memory/2308-23-0x00007FF8E5BB0000-0x00007FF8E6671000-memory.dmp

      Filesize

      10.8MB

    • memory/2308-18-0x000001D47D9E0000-0x000001D47DA02000-memory.dmp

      Filesize

      136KB

    • memory/2308-19-0x00007FF8E5BB0000-0x00007FF8E6671000-memory.dmp

      Filesize

      10.8MB

    • memory/3552-24-0x00007FF8E5BB0000-0x00007FF8E6671000-memory.dmp

      Filesize

      10.8MB

    • memory/3552-2-0x00007FF8E5BB0000-0x00007FF8E6671000-memory.dmp

      Filesize

      10.8MB

    • memory/3552-4-0x0000021ABE670000-0x0000021ABE6D2000-memory.dmp

      Filesize

      392KB

    • memory/3552-0-0x00007FF8E5BB3000-0x00007FF8E5BB5000-memory.dmp

      Filesize

      8KB

    • memory/3552-3-0x00007FF8E5BB0000-0x00007FF8E6671000-memory.dmp

      Filesize

      10.8MB

    • memory/3552-1-0x0000021ABE470000-0x0000021ABE484000-memory.dmp

      Filesize

      80KB

    • memory/4152-7-0x0000000005810000-0x00000000058AC000-memory.dmp

      Filesize

      624KB

    • memory/4152-6-0x000000007492E000-0x000000007492F000-memory.dmp

      Filesize

      4KB

    • memory/4152-5-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4152-25-0x0000000005A60000-0x0000000005A70000-memory.dmp

      Filesize

      64KB

    • memory/4152-26-0x000000007492E000-0x000000007492F000-memory.dmp

      Filesize

      4KB

    • memory/4152-27-0x0000000005A60000-0x0000000005A70000-memory.dmp

      Filesize

      64KB