Analysis

  • max time kernel
    142s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2024, 15:31

General

  • Target

    0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe

  • Size

    41KB

  • MD5

    be6fbbb3a3e7ccc6c952cb268b3c1b22

  • SHA1

    0ba5e06720847b661d5564334c33ea87d1b59160

  • SHA256

    0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136

  • SHA512

    d4779d70269258e72fff7e6d062048cbc1558b4c68898cfbe00fb74e5f9dcd34c9369f0981535871879ce96929dfbb44eb514bac2dd48c862d813fa3d23a3604

  • SSDEEP

    768:cGFDV1EkGq5VuKlP0Rl0hQvvdF3q9iev6TO+h2IkAC5:tFDRL5MKx07wQvFF69iu6TO+IsC5

Malware Config

Extracted

Family

xworm

Version

5.0

C2

193.161.193.99:57817

Mutex

jw11mUPspuncXMvt

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe
    "C:\Users\Admin\AppData\Local\Temp\0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2480
    • 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\0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2348
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    38452c85e241b28640a51f0c3bb67cdd

    SHA1

    b0a0562c60fc9632733165edd9661b919769f164

    SHA256

    cb3f1e96ebaaaba23f0059efa8da90e592c415a451aa82fb6fc2300999931a7a

    SHA512

    f1489223c6baaddca040c434aa1aa5ca9341268a9e1270fe2fb8e3a2c624ed74d50ba8190f8efe5b8f42b9a6f3de4c20a748a020a7dc6a97071aceac3e8b3a69

  • memory/2060-14-0x000000001B590000-0x000000001B872000-memory.dmp

    Filesize

    2.9MB

  • memory/2060-15-0x00000000020C0000-0x00000000020C8000-memory.dmp

    Filesize

    32KB

  • memory/2348-6-0x0000000002CF0000-0x0000000002D70000-memory.dmp

    Filesize

    512KB

  • memory/2348-7-0x000000001B590000-0x000000001B872000-memory.dmp

    Filesize

    2.9MB

  • memory/2348-8-0x0000000001F50000-0x0000000001F58000-memory.dmp

    Filesize

    32KB

  • memory/2480-0-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

    Filesize

    4KB

  • memory/2480-1-0x0000000000B30000-0x0000000000B40000-memory.dmp

    Filesize

    64KB

  • memory/2480-16-0x0000000000160000-0x00000000001E0000-memory.dmp

    Filesize

    512KB

  • memory/2480-17-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

    Filesize

    4KB

  • memory/2480-18-0x0000000000160000-0x00000000001E0000-memory.dmp

    Filesize

    512KB