Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2022, 03:30

General

  • Target
    ad02ac3e209a266673c81d9abd0558567df26485442dcb7e682ee76d93db19e4.exe
  • Size 624KB
  • Sample220725-d2nhrschc5
  • SHA256 ad02ac3e209a266673c81d9abd0558567df26485442dcb7e682ee76d93db19e4
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Arcane log file 1 IoCs

    Detects a log file produced by the Arcane Stealer.

  • ArcaneStealer

    Arcane Stealer is a .Net information-stealing malware that is easy to acquire in the dark web.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad02ac3e209a266673c81d9abd0558567df26485442dcb7e682ee76d93db19e4.exe
    "C:\Users\Admin\AppData\Local\Temp\ad02ac3e209a266673c81d9abd0558567df26485442dcb7e682ee76d93db19e4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\Auto_Clicker_-_.exe
      "C:\Users\Admin\AppData\Local\Temp\Auto_Clicker_-_.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4604
    • C:\Users\Admin\AppData\Local\Temp\dflbcx1i0as (1).exe
      "C:\Users\Admin\AppData\Local\Temp\dflbcx1i0as (1).exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4672

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Auto_Clicker_-_.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Auto_Clicker_-_.exe
        • Size 649KB
        • SHA256 eb0810fba8e61b0f652d08a793182652c39b9645af7ec7e9cec83acc6eb94c84
        • MD5 SHA1 SHA512 SSDEEP

        Auto_Clicker_-_.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Auto_Clicker_-_.exe
        • Size 649KB
        • SHA256 eb0810fba8e61b0f652d08a793182652c39b9645af7ec7e9cec83acc6eb94c84
        • MD5 SHA1 SHA512 SSDEEP

        dflbcx1i0as (1).exe

        • Path C:\Users\Admin\AppData\Local\Temp\dflbcx1i0as (1).exe
        • Size 193KB
        • SHA256 b3961885b0746fe967d8184cb1b9bc8579d765c47a7ebfc50f53f4a5c5c3536d
        • MD5 SHA1 SHA512 SSDEEP

        dflbcx1i0as (1).exe

        • Path C:\Users\Admin\AppData\Local\Temp\dflbcx1i0as (1).exe
        • Size 193KB
        • SHA256 b3961885b0746fe967d8184cb1b9bc8579d765c47a7ebfc50f53f4a5c5c3536d
        • MD5 SHA1 SHA512 SSDEEP

        memory/4672-136-0x000001F7E6E00000-0x000001F7E6E38000-memory.dmp

        memory/4672-137-0x00007FFE16EA0000-0x00007FFE17961000-memory.dmp

        memory/4672-138-0x000001F7E89B0000-0x000001F7E89BA000-memory.dmp

        memory/4672-139-0x000001F7E89E0000-0x000001F7E89F2000-memory.dmp

        memory/4672-140-0x00007FFE16EA0000-0x00007FFE17961000-memory.dmp

        memory/4672-141-0x00007FFE16EA0000-0x00007FFE17961000-memory.dmp