Analysis

  • max time kernel
    141s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:15

General

  • Target

    acfc2067aaf7bc306045845d1e965153.exe

  • Size

    8.1MB

  • MD5

    acfc2067aaf7bc306045845d1e965153

  • SHA1

    6016abf24790dd789a439df8e7a3ae182b0c458f

  • SHA256

    ea470bcf5b838073e39b2fcf27445025598f827f6f55d46dfc5097bae3423926

  • SHA512

    1ff78a6e0b2b9cb210d6253de913176466ae79a327498c9a45490f9b82ca638a38be8f2cac08c46a8c848f5254705c1f46b0bc93c5d53049604fff9ebf47cb61

  • SSDEEP

    196608:9+ocDHr9zPJzvIXZOXI7wHNnjlJ1KTfkryAz:KDRPxIXZqSwFxz2fkrF

Malware Config

Extracted

Family

xworm

Version

5.0

C2

ring-staffing.gl.at.ply.gg:32707

Mutex

elbD0YZaBQfsICaU

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

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

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

  • Executes dropped EXE 2 IoCs
  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 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.

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

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acfc2067aaf7bc306045845d1e965153.exe
    "C:\Users\Admin\AppData\Local\Temp\acfc2067aaf7bc306045845d1e965153.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5824
    • C:\Users\Admin\AppData\Roaming\ubDQ_protected.exe
      "C:\Users\Admin\AppData\Roaming\ubDQ_protected.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:5300
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c mode 70,30
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4580
        • C:\Windows\system32\mode.com
          mode 70,30
          4⤵
            PID:4672
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c cls
          3⤵
            PID:4744
        • C:\Users\Admin\AppData\Roaming\Windows Session Manager.exe
          "C:\Users\Admin\AppData\Roaming\Windows Session Manager.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:5056

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Windows Session Manager.exe

        Filesize

        39KB

        MD5

        14d04ea681a8e090122dfffdfceb101d

        SHA1

        b45b87b183180f25955d50b880dccda72e60b321

        SHA256

        68694204f1b3473669202376319d85e62c0d3a8e58ab61df4b51a9150b067eca

        SHA512

        ec9b1fcb10ea11f0a4fff92fc1469640f2f512671e2212aebf88925f2504fb2fcab2dfc06092eb412d7e7fd1acd8c2242aea0fb323d887125f97da575ebbe91a

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

        Filesize

        8.1MB

        MD5

        cd79995102055c339f2283829b619877

        SHA1

        1532c21910d7f8899a91230be0cd709138f52de5

        SHA256

        57c21517194fe0617541686d48d51b835e9f77137b52803f0724cfa351c1ae9d

        SHA512

        6402f11d8377a60427fe0cbff6e0e01b8147cee512d889c4b6c6374dcf2b9eba8e7bdcfc2d1f2bb739ed47cd04e7748d2a8ea1d3df087aa94792be3df811470e

      • memory/5056-24-0x00007FFC19E20000-0x00007FFC1A8E1000-memory.dmp

        Filesize

        10.8MB

      • memory/5056-22-0x0000000000930000-0x0000000000940000-memory.dmp

        Filesize

        64KB

      • memory/5056-27-0x00007FFC19E20000-0x00007FFC1A8E1000-memory.dmp

        Filesize

        10.8MB

      • memory/5056-28-0x000000001C560000-0x000000001C662000-memory.dmp

        Filesize

        1.0MB

      • memory/5056-29-0x00007FFC19E20000-0x00007FFC1A8E1000-memory.dmp

        Filesize

        10.8MB

      • memory/5300-21-0x0000000140000000-0x000000014091A000-memory.dmp

        Filesize

        9.1MB

      • memory/5300-25-0x0000000140000000-0x000000014091A000-memory.dmp

        Filesize

        9.1MB

      • memory/5300-26-0x0000000140000000-0x000000014091A000-memory.dmp

        Filesize

        9.1MB

      • memory/5300-30-0x0000000140000000-0x000000014091A000-memory.dmp

        Filesize

        9.1MB

      • memory/5824-1-0x0000000000430000-0x0000000000C5A000-memory.dmp

        Filesize

        8.2MB

      • memory/5824-0-0x00007FFC19E23000-0x00007FFC19E25000-memory.dmp

        Filesize

        8KB