Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 14:36

General

  • Target

    45.png.ps1

  • Size

    181KB

  • MD5

    cfa1a53f2c8fc430241785a8528876e8

  • SHA1

    c4a3bba161e9feca68717b7e0d4c6728b95970b1

  • SHA256

    d08928d078d1b2ded79a527727839a0b302088e9934327a93d977e8a830af436

  • SHA512

    2b6748b66bc1be3376c8c788d3107d86993fd5fff2bc67776ab7e3a0e9d11deb4d59c7ce5d5bbc1815470b945a5c25773d780290009702cb4db978a4200739d8

  • SSDEEP

    3072:G7ZBqVuu4Z/njbXCmqx65NqoYM8DPRB3seN4jo+m7EcSxLEWRbI/LHfykXhHIe2i:G7DqVuu4Z/njbXCmqx65NqoYM8DPRB3t

Malware Config

Extracted

Family

xworm

C2

85.209.11.15:4404

Attributes
  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\45.png.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3360
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gkjnqlhh.rcf.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3360-18-0x00007FFF4B9E0000-0x00007FFF4C4A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3360-0-0x00007FFF4B9E3000-0x00007FFF4B9E5000-memory.dmp

    Filesize

    8KB

  • memory/3360-11-0x00007FFF4B9E0000-0x00007FFF4C4A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3360-12-0x00007FFF4B9E0000-0x00007FFF4C4A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3360-13-0x00000264B7290000-0x00000264B72AA000-memory.dmp

    Filesize

    104KB

  • memory/3360-14-0x00000264B72B0000-0x00000264B72B6000-memory.dmp

    Filesize

    24KB

  • memory/3360-1-0x00000264B7250000-0x00000264B7272000-memory.dmp

    Filesize

    136KB

  • memory/3476-20-0x0000000004DF0000-0x0000000004E8C000-memory.dmp

    Filesize

    624KB

  • memory/3476-19-0x000000007541E000-0x000000007541F000-memory.dmp

    Filesize

    4KB

  • memory/3476-15-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3476-21-0x0000000075410000-0x0000000075BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/3476-22-0x000000007541E000-0x000000007541F000-memory.dmp

    Filesize

    4KB

  • memory/3476-23-0x0000000075410000-0x0000000075BC0000-memory.dmp

    Filesize

    7.7MB

  • memory/3476-24-0x00000000054C0000-0x0000000005526000-memory.dmp

    Filesize

    408KB

  • memory/3476-25-0x0000000005FF0000-0x0000000006082000-memory.dmp

    Filesize

    584KB

  • memory/3476-26-0x0000000006640000-0x0000000006BE4000-memory.dmp

    Filesize

    5.6MB