Analysis

  • max time kernel
    154s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/12/2023, 23:38

General

  • Target

    1a3406235a6d30166070344f9a54750a.exe

  • Size

    57KB

  • MD5

    1a3406235a6d30166070344f9a54750a

  • SHA1

    9d4c64dfe84031b9cf65718c11f633210dfa95b0

  • SHA256

    2dc0eb32865dcf19fd927ec048e1f03e8a756198aac2b93dce1102027d51cfb4

  • SHA512

    72ab3fa83326bbe4fbc89be7d3d458296b216a45024c44e07b1ea9762ed63f0b16294c9303f036ef6a3182691e81201f1f149fd6f729ad47a136d966192325ec

  • SSDEEP

    1536:nKZiivgFkwb9nG3mlCaHLWX1TDZL5sjGZ6Wj7TkWsq7ZzBFLb:MvcTZltLWX1TDVCyZ6WXwWfR3

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a3406235a6d30166070344f9a54750a.exe
    "C:\Users\Admin\AppData\Local\Temp\1a3406235a6d30166070344f9a54750a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\s_min_run.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\redload\1.bat
        3⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious use of WriteProcessMemory
        PID:3024
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
          4⤵
          • Modifies Internet Explorer settings
          • Modifies Internet Explorer start page
          PID:780
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
          4⤵
          • Modifies Internet Explorer settings
          • Modifies Internet Explorer start page
          PID:4388
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?S"" /f
          4⤵
            PID:4668
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
            4⤵
            • Modifies registry class
            PID:1608
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}\Shell\open(&H)\Command" /v "" /d "wscript -e:vbs ""C:\Users\Admin\AppData\Roaming\redload\3.bat""" /f
            4⤵
            • Modifies registry class
            PID:3180
          • C:\Windows\SysWOW64\attrib.exe
            attrib +s +h C:\Users\Admin\AppData\Roaming\redload\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
            4⤵
            • Sets file to hidden
            • Views/modifies file attributes
            PID:3208
          • C:\Windows\SysWOW64\attrib.exe
            attrib +s +h C:\Users\Admin\AppData\Roaming\redload\tmp
            4⤵
            • Sets file to hidden
            • Views/modifies file attributes
            PID:2996
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\redload\2.inf
            4⤵
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:5012
            • C:\Windows\SysWOW64\runonce.exe
              "C:\Windows\system32\runonce.exe" -r
              5⤵
              • Checks processor information in registry
              • Suspicious use of WriteProcessMemory
              PID:4952
              • C:\Windows\SysWOW64\grpconv.exe
                "C:\Windows\System32\grpconv.exe" -o
                6⤵
                  PID:4548
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32 D:\VolumeDH\inj.dat,MainLoad
              4⤵
                PID:3964
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\redload\2.bat
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1080
                • C:\PROGRA~1\INTERN~1\iexplore.exe
                  C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://www.cnkankan.com/?82133
                  5⤵
                  • Modifies Internet Explorer settings
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:4352
                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4352 CREDAT:17410 /prefetch:2
                    6⤵
                    • Modifies Internet Explorer settings
                    • Suspicious use of SetWindowsHookEx
                    PID:3408
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\redload\1.inf
                  5⤵
                    PID:3632
            • C:\Users\Admin\AppData\Local\Temp\inl3939.tmp
              C:\Users\Admin\AppData\Local\Temp\inl3939.tmp
              2⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4648
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl3939.tmp > nul
                3⤵
                  PID:2764
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\1A3406~1.EXE > nul
                2⤵
                  PID:1420

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\PROGRA~1\INTERN~1\IEFRAME.dll

                Filesize

                382KB

                MD5

                c5b2bb83e33576dd9c797f0634412ac6

                SHA1

                675b5502cf30f44aaa56e1f9559438da80a2aac2

                SHA256

                f3527eab6b7ce1db59f2265a136c00c82e0e77ac5fdefb98490d1eada7918aa4

                SHA512

                f343aecd1a1e47e6e447209ca994856de59b097384bfd5ece8e0bd77b261f2dbef4202939669192789764232ac34dcf4cb3f4b4ec0763442be603b08a9f018ca

              • C:\Users\Admin\AppData\Local\Temp\360mohesetup.exe

                Filesize

                794B

                MD5

                1bc415b31cdff50d79ea2a3d7b4ff2c1

                SHA1

                f5ebab61deebc3d7a4a6676a23b982f1418ae6a6

                SHA256

                582ea6421c80adc1de2dcb34fb8db1926e34b49219d99306693166a6b268d412

                SHA512

                ee9718e829fa7c6b2e3b208fe99acd390d704a4ad037fd9b5ae231db184f48146792fb1ac028a69224ddca2c3195ef2aa5353ee6bc7abe01157773f4a6e50e84

              • C:\Users\Admin\AppData\Local\Temp\cdf1912.tmp

                Filesize

                791B

                MD5

                1706b41fd446b5718a8419c0fcb35d55

                SHA1

                d9bb8df22acdc60c754ac14982cf795df3b1b815

                SHA256

                5c6d11ac3f220f8286455764ab2581dcb6554692d3b9974b097364d77edb3943

                SHA512

                68c9f6170ecdfcc79fc63cb646901d2ac52a915620b159047b2c93761c261897eb5ecc15065635105637a61a840d393104c15ea8268897fb8bb2fbc1a56c626e

              • C:\Users\Admin\AppData\Local\Temp\inl3939.tmp

                Filesize

                2.2MB

                MD5

                485c8b95387a5505c7b2a14de2af72d9

                SHA1

                b5dbb43d5e5952bcfd0fb4c27cb231a18a86c54a

                SHA256

                c27f19e5257b80a366c7b59e9a68ef7c4b9639f8a486d513a2d5789938d43b0a

                SHA512

                52e50b007239a93f09dd5319b9339af0e2459ec71a6033e0679c20b8dddcf5a5b3f5ff1df371ddbba9e2c5b5c5683cfe59b9229c663b3d6f0fcbb6dfd39d0bac

              • C:\Users\Admin\AppData\Local\Temp\inl3939.tmp

                Filesize

                2.1MB

                MD5

                303421fb4905bb950555a4ab1d298f19

                SHA1

                bab571d1b76d58725639aded819d6f3a0710e100

                SHA256

                561346d576c8d5b1f3149afd7b2e5ae678c84b59b96196d991690ccc6b1d1c9a

                SHA512

                63c95d23bb248f0c6bbaa2eae7671a286e26b36d6917438ba55acc088820b4f9842c29bd7c0c68e1c611e97fa8f2435f3e9063f904db4905e3acacae8132e6c2

              • C:\Users\Admin\AppData\Local\Temp\s_min_run.bat

                Filesize

                54B

                MD5

                504490369970f1c0eb580afbcdf91618

                SHA1

                b52f65cd538e6c998b2c7e3167f9c8e8fa6c7971

                SHA256

                a13a0579286521f0d7cb55fc7d28c6d33f14c0573e9e69f7584fa4008a8e7d43

                SHA512

                5495ce79abf0fc4ffbfaf9aefa484145f4e0d3e8457be0e2e4dfb1284fb5413016f2d9867e2386db5c4f7b51863bfffeae8ea6bd879053fdf6a928ab2a0857ad

              • C:\Users\Admin\AppData\Roaming\redload\1.bat

                Filesize

                3KB

                MD5

                493c22f6b15f9766ae7c23794fc77da0

                SHA1

                43723ba660dbc1486f717441b58298d33b9f2048

                SHA256

                478b8c2f0dc23db49d62f987ca5e01afde54d7abff647894ad2e38f9d7fde182

                SHA512

                662644aeef7666b23b90b6ce08ea8271a7cb7379bad6920434d045fdcbbcd48b4bbb65620ac4a5c347e376ecf2ff60e115b869c74a28ca7776cf6fc83b01df34

              • C:\Users\Admin\AppData\Roaming\redload\1.inf

                Filesize

                410B

                MD5

                66a1f0147fed7ddd19e9bb7ff93705c5

                SHA1

                9d803c81ea2195617379b880b227892ba30b0bf6

                SHA256

                4f45ce85e221352f7fe26e04968c7f7267dc24b55cf2b72b929b4c90e48cb764

                SHA512

                cfe51756ddec75d240249980a4d27870d15983add25058e4d0da4d8a3ea11384d4d228d6cbc95091f91e516e1ab4dfb1e315941dbd95bf717d4b31936311d597

              • C:\Users\Admin\AppData\Roaming\redload\2.bat

                Filesize

                3KB

                MD5

                59a6de81c01f8e6914d7cf23649de43b

                SHA1

                458d7d5023fa2ffff78237ee4b31cde164ff7664

                SHA256

                82e38ee40c416990bdca30ca0b26f9ec5455279abcc60f16fda567c774093aa2

                SHA512

                3d0fd79b1b6f64c062ffcefeb9244f0768c5b2d866b9e251762db354e8ac9ed9ae89a7f79173289590ea61d69798941d52490048492049ba276bf66777b6eb54

              • C:\Users\Admin\AppData\Roaming\redload\2.inf

                Filesize

                248B

                MD5

                2197ffb407fb3b2250045c084f73b70a

                SHA1

                3d0efbacba73ac5e8d77f0d25d63fc424511bcf6

                SHA256

                a1a42f5a41ce65135b1ad525eabc04cce89ee07d2f51d06e5e1dea6047081591

                SHA512

                b35a99e144da3f02de71158f58a6b937435d1bce941126a554783c667654b880527b11ba8a5c0fcf093ce28863ea4f5e60f73f8f973a727f177d584d2e9c80fe

              • C:\Users\Admin\AppData\Roaming\redload\4.bat

                Filesize

                3.7MB

                MD5

                b6a34fabcec2287deb752b6ee727fc06

                SHA1

                65c43fe88103bbdf8ec77728116b9909edaf2a85

                SHA256

                473b237d38eba3e3de315c6c256bb15c0165e2d7e5d068e1274317b6c13e6110

                SHA512

                db716e7601548e246c40b5b0509d37ae90165abea2a763fb0ef35e7c1c3977d07668776cf08dd421a6ded70b19a477d53dae429116b8e1bbeeb20025f8aa6cfb

              • memory/1940-5-0x0000000000020000-0x0000000000045000-memory.dmp

                Filesize

                148KB

              • memory/1940-7-0x00000000012D0000-0x00000000012D3000-memory.dmp

                Filesize

                12KB

              • memory/1940-26-0x0000000000020000-0x0000000000045000-memory.dmp

                Filesize

                148KB

              • memory/1940-150-0x0000000000020000-0x0000000000045000-memory.dmp

                Filesize

                148KB

              • memory/1940-1-0x00000000012D0000-0x00000000012D3000-memory.dmp

                Filesize

                12KB

              • memory/1940-0-0x0000000000020000-0x0000000000045000-memory.dmp

                Filesize

                148KB

              • memory/4352-111-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-124-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-95-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-96-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-100-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-98-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-92-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-105-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-93-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-91-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-110-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-89-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-113-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-115-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-116-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-114-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-119-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-117-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-121-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-94-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-125-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-123-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-126-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-127-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-129-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-128-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-130-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-135-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-134-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-136-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-137-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-138-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-143-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-151-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-153-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-154-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-156-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-152-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-83-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB

              • memory/4352-149-0x00007FFE06F20000-0x00007FFE06F8E000-memory.dmp

                Filesize

                440KB