Analysis

  • max time kernel
    90s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/12/2022, 00:00

General

  • Target
    5630ac19f4074c8781a1cdd1e6c44ccf37e9634e45290e1e9ffa9a0e457cc887.exe
  • Size 5.9MB
  • Sample221215-aatzpaed2y
  • SHA256 5630ac19f4074c8781a1cdd1e6c44ccf37e9634e45290e1e9ffa9a0e457cc887
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Nirsoft 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5630ac19f4074c8781a1cdd1e6c44ccf37e9634e45290e1e9ffa9a0e457cc887.exe
    "C:\Users\Admin\AppData\Local\Temp\5630ac19f4074c8781a1cdd1e6c44ccf37e9634e45290e1e9ffa9a0e457cc887.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Users\Admin\AppData\Roaming\1671062498286.exe
      "C:\Users\Admin\AppData\Roaming\1671062498286.exe" /sjson "C:\Users\Admin\AppData\Roaming\1671062498286.txt"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:3852
    • C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
      C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe ThunderFW "C:\Users\Admin\AppData\Local\Temp\download\MiniThunderPlatform.exe"
      2⤵
      • Executes dropped EXE
      PID:32
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ping 127.0.0.1 -n 3 & del "C:\Users\Admin\AppData\Local\Temp\5630ac19f4074c8781a1cdd1e6c44ccf37e9634e45290e1e9ffa9a0e457cc887.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 3
        3⤵
        • Runs ping.exe
        PID:2752

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        ThunderFW.exe

        • Path C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
        • Size 71KB
        • SHA256 298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf
        • MD5 SHA1 SHA512 SSDEEP

        ThunderFW.exe

        • Path C:\Users\Admin\AppData\Local\Temp\download\ThunderFW.exe
        • Size 71KB
        • SHA256 298d334b630c77b70e66cf5e9c1924c7f0d498b02c2397e92e2d9efdff2e1bdf
        • MD5 SHA1 SHA512 SSDEEP

        1671062498286.exe

        • Path C:\Users\Admin\AppData\Roaming\1671062498286.exe
        • Size 101KB
        • SHA256 6562bdcbf775e04d8238c2b52a4e8df5afa1e35d1d33d1e4508cfe040676c1e5
        • MD5 SHA1 SHA512 SSDEEP

        1671062498286.exe

        • Path C:\Users\Admin\AppData\Roaming\1671062498286.exe
        • Size 101KB
        • SHA256 6562bdcbf775e04d8238c2b52a4e8df5afa1e35d1d33d1e4508cfe040676c1e5
        • MD5 SHA1 SHA512 SSDEEP

        1671062498286.txt

        • Path C:\Users\Admin\AppData\Roaming\1671062498286.txt
        • Size 6KB
        • SHA256 9477a5a9a534691e6b73ca76b3f68f61bc3ee4a1d29d754dd8844d9a73ee6e8d
        • MD5 SHA1 SHA512 SSDEEP

        memory/1920-135-0x0000000000400000-0x00000000005FF000-memory.dmp

        memory/1920-136-0x0000000010000000-0x00000000103E9000-memory.dmp