Analysis

  • max time kernel
    104s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/09/2025, 16:35

General

  • Target
    0348c2b20e7138d2b2f269b2e7fd68ff.exe
  • Size 391KB
  • Sample250907-t34jdasms3
  • SHA256 8f02c0fd6dad12e2beebf1b67896e5d2ba6079628ebe4de17c746f8eb7971223
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V5.6

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/Fxzr3jeT

Signatures

  • Detect Xworm Payload 4 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Modifies system executable filetype association 2 TTPs 6 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0348c2b20e7138d2b2f269b2e7fd68ff.exe
    "C:\Users\Admin\AppData\Local\Temp\0348c2b20e7138d2b2f269b2e7fd68ff.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5396
    • C:\Users\Admin\Documents\diagnostics\audiodg.exe
      "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:6076
    • C:\Users\Admin\Documents\diagnostics\shost.exe
      "C:\Users\Admin\Documents\diagnostics\shost.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2172
      • C:\Users\Admin\Documents\diagnostics\audiodg.exe
        "C:\Users\Admin\Documents\diagnostics\audiodg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3152
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\winlogon
    1⤵
      PID:5508

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RCX929E.tmp

          • Path C:\Program Files\7-Zip\RCX929E.tmp
          • Size 377KB
          • SHA256 35a8460faaddfb3414c70ef8952c07d07c75fc2e0e2034b211c51de599d721ac
          • MD5 SHA1 SHA512 SSDEEP

          034543380303.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\034543380303.ico
          • Size 1KB
          • SHA256 06d58ca32d62202496baef4f3dec37ee2cacdb5775341c6fb4cccfa4448a03f9
          • MD5 SHA1 SHA512

          084103984509..exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\084103984509..exe
          • Size 1.4MB
          • SHA256 e6adb24c63c2622f76ed91b2def9498074716f5e154dd483b3469848e38174af
          • MD5 SHA1 SHA512 SSDEEP

          166807865068.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\166807865068.ico
          • Size 1KB
          • SHA256 d70944fea4517b3b68ee043da9e5f8cd1ab6559e98666ea93ed7468254ce0785
          • MD5 SHA1 SHA512

          224907905154.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\224907905154.ico
          • Size 1KB
          • SHA256 bc1363b69ec13c49d94af754cce4bffe81b589f3bf2039c84bf1472b3b483f6f
          • MD5 SHA1 SHA512

          292762170070..exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\292762170070..exe
          • Size 263KB
          • SHA256 66bf24b6a4a645bb814a8d44de5cb98ff544aa24c8acc843d21337260f6f5d43
          • MD5 SHA1 SHA512 SSDEEP

          423434211965.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\423434211965.ico
          • Size 1KB
          • SHA256 c6ac3a2d4ea590ba6a624de69c86e20852b72c71cc7724a3ff4577fb15b32b2c
          • MD5 SHA1 SHA512

          445401104343.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\445401104343.ico
          • Size 1KB
          • SHA256 80b6b561da261f5549cc3f1b3baad5efc025770ce206b0250977dbab229fe4d7
          • MD5 SHA1 SHA512

          474681074621..exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\474681074621..exe
          • Size 1.4MB
          • SHA256 1724f2173c7307bea75bb4621bf7f52b673393f8bd2b77ee8308d3061eabe271
          • MD5 SHA1 SHA512 SSDEEP

          546034032581.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\546034032581.ico
          • Size 1KB
          • SHA256 69868f3977849e6f0726f505ed8ce7ffaadd07268f061d3705980aa32ba74885
          • MD5 SHA1 SHA512

          591096265854.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\591096265854.ico
          • Size 1KB
          • SHA256 3568edd042f59b52c726b5ff682e65fcad53b953397e49838bd017f730436f9d
          • MD5 SHA1 SHA512

          709590032769.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\709590032769.ico
          • Size 1KB
          • SHA256 6573d3579ab0ce71f8d95d6a89d2a4d75f6bbe31a6861ab5b8002ddedb76a477
          • MD5 SHA1 SHA512

          810028689981.exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\810028689981.exe
          • Size 4.1MB
          • SHA256 78425e626d0830c35ee05307ad6958055493acebbb8a2548ba3de4af6d6378f7
          • MD5 SHA1 SHA512 SSDEEP

          874040914580.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\874040914580.ico
          • Size 1KB
          • SHA256 325e37428cb5578f7f88dcc924a6a2a398d707d3cad6406802a9a06aac630126
          • MD5 SHA1 SHA512

          880167744917.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\880167744917.ico
          • Size 1KB
          • SHA256 fe526d6535d43c577cf54d22f446498ad613635860a6300f5b7654765ee9b929
          • MD5 SHA1 SHA512

          904485223470.ico

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\904485223470.ico
          • Size 1KB
          • SHA256 2ea5c025b0613b1a20bc146508cf692b5de4d285f7acc17dc4035315952fd7f8
          • MD5 SHA1 SHA512

          993946368289..exe

          • Path C:\Users\Admin\AppData\Local\Temp\PROGRA~~1\993946368289..exe
          • Size 107KB
          • SHA256 16f7ddaa4944632505f557d45ade328911169a7af17599a71ffe7edfa5eb5f51
          • MD5 SHA1 SHA512 SSDEEP

          audiodg.exe

          • Path C:\Users\Admin\Documents\diagnostics\audiodg.exe
          • Size 62KB
          • SHA256 76957a7db92abf1667474a4e45477cea7297e9a25c78c1fadd94795fc5390833
          • MD5 SHA1 SHA512 SSDEEP

          shost.exe

          • Path C:\Users\Admin\Documents\diagnostics\shost.exe
          • Size 375KB
          • SHA256 c17f70ddf13fa4eb68f0b3991b2721b5cc82d69085d95a199f1fd30b1a2613a0
          • MD5 SHA1 SHA512 SSDEEP

          logs.txt

          • Path C:\Users\Admin\Documents\logs.txt
          • Size 4KB
          • SHA256 f9869a748dc7eb79c03e5ab4edfb8fd891ce4bfcda86a489d72a65847d20a0ad
          • MD5 SHA1 SHA512 SSDEEP

          memory/6076-14-0x00000000001D0000-0x00000000001E6000-memory.dmp