Analysis

  • max time kernel
    90s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/01/2023, 08:31

General

  • Target
    file.exe
  • Size 5.0MB
  • Sample230130-kep7eahg35
  • SHA256 ac2fcadee1d8209ad9d5f3842020adb3ec81d0bd0bf977a726edaecfd26ac317
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect rhadamanthys stealer shellcode 1 IoCs
  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\taskhostw.exe
    taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
    1⤵
      PID:2556
      • C:\Windows\SysWOW64\fontview.exe
        "C:\Windows\SYSWOW64\fontview.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:2960
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5092
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe"
        2⤵
        • Loads dropped DLL
        PID:4676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 1324
          3⤵
          • Program crash
          PID:4848
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4676 -s 1344
          3⤵
          • Program crash
          PID:3064
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4676 -ip 4676
      1⤵
        PID:748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4676 -ip 4676
        1⤵
          PID:4268

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              240557875.dll

              • Path C:\Users\Admin\AppData\Local\Temp\240557875.dll
              • Size 335KB
              • SHA256 7765a84991c1fc872740ffbcb1bc0563e4edc31fcf02ce9341fa1f316c6efdc4
              • MD5 SHA1 SHA512 SSDEEP

              freebl3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\freebl3.dll
              • Size 326KB
              • SHA256 a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba
              • MD5 SHA1 SHA512 SSDEEP

              freebl3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\freebl3.dll
              • Size 326KB
              • SHA256 a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba
              • MD5 SHA1 SHA512 SSDEEP

              freebl3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\freebl3.dll
              • Size 326KB
              • SHA256 a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba
              • MD5 SHA1 SHA512 SSDEEP

              freebl3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\freebl3.dll
              • Size 326KB
              • SHA256 a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba
              • MD5 SHA1 SHA512 SSDEEP

              mozglue.dll

              • Path C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\mozglue.dll
              • Size 133KB
              • SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
              • MD5 SHA1 SHA512 SSDEEP

              nss3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\nss3.dll
              • Size 1.2MB
              • SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
              • MD5 SHA1 SHA512 SSDEEP

              softokn3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\softokn3.dll
              • Size 141KB
              • SHA256 43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083
              • MD5 SHA1 SHA512 SSDEEP

              softokn3.dll

              • Path C:\Users\Admin\AppData\Local\Temp\LocalSimbagu2DsmmGCkr\softokn3.dll
              • Size 141KB
              • SHA256 43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083
              • MD5 SHA1 SHA512 SSDEEP

              memory/2960-147-0x0000000000C00000-0x0000000000C35000-memory.dmp

              memory/2960-160-0x0000000000C00000-0x0000000000C35000-memory.dmp

              memory/2960-157-0x0000000000D53000-0x0000000000D56000-memory.dmp

              memory/2960-145-0x0000000000C00000-0x0000000000C35000-memory.dmp

              memory/2960-158-0x0000000002790000-0x00000000027AD000-memory.dmp

              memory/2960-159-0x0000000002C90000-0x0000000003C90000-memory.dmp

              memory/4676-140-0x0000000000400000-0x000000000077D000-memory.dmp

              memory/4676-138-0x0000000000400000-0x000000000077D000-memory.dmp

              memory/4676-156-0x0000000000400000-0x000000000077D000-memory.dmp

              memory/4676-141-0x0000000000400000-0x000000000077D000-memory.dmp

              memory/4676-143-0x0000000000400000-0x000000000077D000-memory.dmp

              memory/4676-142-0x0000000000400000-0x000000000077D000-memory.dmp

              memory/5092-132-0x0000000002CA0000-0x0000000003153000-memory.dmp

              memory/5092-133-0x000000000C5E0000-0x000000000E901000-memory.dmp

              memory/5092-134-0x000000000C5E0000-0x000000000E901000-memory.dmp

              memory/5092-135-0x0000000002CA0000-0x0000000003153000-memory.dmp

              memory/5092-136-0x000000000C5E0000-0x000000000E901000-memory.dmp

              memory/5092-161-0x0000000002CA0000-0x0000000003153000-memory.dmp