Analysis

  • max time kernel
    154s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/03/2024, 22:31

General

  • Target

    cc6bbb9ecef580dceb5222d813281f18.exe

  • Size

    136KB

  • MD5

    cc6bbb9ecef580dceb5222d813281f18

  • SHA1

    2178ab124650bfbaeef4720c1d1532849fa36414

  • SHA256

    b3be6a5c70aae88bb6064cb4fd78a3e9d2eb2bfca4452abe323fa285e709a256

  • SHA512

    64634e639069dc8203b89c7b3c5631e1b4c2cbb82842fa62168f6a22a41f857f962a12c9f09b464518bd57c74229928c85c317cec18ea1b1db2793335233da65

  • SSDEEP

    768:FzZ/dr7kOWREB+tiaxq5wbuHZyYbwjt8vmEGuZ9NJ1/z0ggFIgHKcNFTBULJxNfy:phFaQ5wb7xEF/zT0KWFiLJd2OY4cs+d

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 42 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\cc6bbb9ecef580dceb5222d813281f18.exe
    "C:\Users\Admin\AppData\Local\Temp\cc6bbb9ecef580dceb5222d813281f18.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1412
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp_ext.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3440
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\lua\1.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2432
        • C:\PROGRA~1\INTERN~1\iexplore.exe
          C:\PROGRA~1\INTERN~1\IEXPLORE.EXE http://www.cnkankan.com/?82133
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3536
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3536 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4284
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\lua\1.inf
          4⤵
            PID:4972
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /K C:\Users\Admin\AppData\Roaming\lua\2.bat
            4⤵
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Suspicious use of WriteProcessMemory
            PID:3292
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:4180
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Start Page" /d ""http://www.82133.com/?S"" /f
              5⤵
              • Modifies Internet Explorer settings
              • Modifies Internet Explorer start page
              PID:1712
            • C:\Windows\SysWOW64\reg.exe
              reg add "HKCU\Software\tmp" /v "key" /d ""http://www.82133.com/?S"" /f
              5⤵
                PID:3164
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCR\CLSID\{971C5380-92A0-5A69-B3EE-C3002B33309E}" /v "IsShortCut" /d "" /f
                5⤵
                • Modifies registry class
                PID:4364
              • 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\lua\3.bat""" /f
                5⤵
                • Modifies registry class
                PID:2548
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\lua\tmp\a.{971C5380-92A0-5A69-B3EE-C3002B33309E}
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:4664
              • C:\Windows\SysWOW64\attrib.exe
                attrib +s +h C:\Users\Admin\AppData\Roaming\lua\tmp
                5⤵
                • Sets file to hidden
                • Views/modifies file attributes
                PID:4472
              • C:\Windows\SysWOW64\rundll32.exe
                rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 C:\Users\Admin\AppData\Roaming\lua\2.inf
                5⤵
                • Adds Run key to start application
                • Suspicious use of WriteProcessMemory
                PID:2608
                • C:\Windows\SysWOW64\runonce.exe
                  "C:\Windows\system32\runonce.exe" -r
                  6⤵
                  • Checks processor information in registry
                  • Suspicious use of WriteProcessMemory
                  PID:3296
                  • C:\Windows\SysWOW64\grpconv.exe
                    "C:\Windows\System32\grpconv.exe" -o
                    7⤵
                      PID:432
                • C:\Windows\SysWOW64\rundll32.exe
                  rundll32 D:\VolumeDH\inj.dat,MainLoad
                  5⤵
                    PID:2336
            • C:\Users\Admin\AppData\Local\Temp\inl8332.tmp
              C:\Users\Admin\AppData\Local\Temp\inl8332.tmp
              2⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3540
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl8332.tmp > nul
                3⤵
                  PID:1796
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\CC6BBB~1.EXE > nul
                2⤵
                  PID:4680
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3784 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
                1⤵
                  PID:3376

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        Filesize

                        906B

                        MD5

                        f2572338cb20db1d928b2c61282e6e87

                        SHA1

                        8b2b79ef1c914b0b00ec10a06caa8638b2163d45

                        SHA256

                        e9bc7df9f665d307b049d0d8bf74ed3c2ac1564094d3c4eff2568742bb5ebbbd

                        SHA512

                        240c9e2b2de396ef9dbe6b823723c61ba12c50e9a3b11f5f8f826aa55984d6c18a83361bf5b8f5d2602dbf8152e9feb35ceadce11d098aed246c52dc02771763

                      • C:\Users\Admin\AppData\Local\Temp\inl8332.tmp

                        Filesize

                        2.6MB

                        MD5

                        762d205e1d0e195b271b1592d46c6374

                        SHA1

                        25b8c4995f8756e920ea44728f29352b29759df1

                        SHA256

                        bd8822ef2da4f9a3cc45a299634fe2b45ca235ad497eaf332dbe6c08d541cfc0

                        SHA512

                        47a773946bd55e1a4e65bc879a12ffb4476ef71566e7898f56e7ad7d26cb949d0822674f1b93c374e1eecf4f8471f6029ac36e7d36c0c006e3d800c0512ecb24

                      • C:\Users\Admin\AppData\Local\Temp\inl8332.tmp

                        Filesize

                        3.0MB

                        MD5

                        fa014d89bbe58c569cb15ba9d82e0570

                        SHA1

                        d16f88ecd24e471e03c1199562600b99d450dff2

                        SHA256

                        7538fd73d8f4da6e053beba055a97173bba4335c09f75320a90c1f0678e01a45

                        SHA512

                        1ca0a6327fc375ae05d75958c7b63470e7bf10afc19622764bd00283b5bf4a50191858842421a103bef071ac9ebd90619d621b220e635e70c74bde2c05f681f5

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

                        Filesize

                        50B

                        MD5

                        e08ad52d3d132292f9c51e7cfec5fe08

                        SHA1

                        269f7eb185a9ff02664297bfb6f5df9f86ec10f0

                        SHA256

                        bd2a3003fb1f771283b30a044c49aecb72bfdff4322330337dba4992ecd198f4

                        SHA512

                        3dc0331f3ee9a57de7bda71a94953239bc7033a130f2b783b35d17ce3ed7b7928c154323d10ba81bd81d3bfd2d7c123cec55f5178d2b44286c2f857ccd6a1722

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

                        Filesize

                        2KB

                        MD5

                        68a30985a8b4a1dae5b24721ca5b8269

                        SHA1

                        78481107bbddcf18ffc4d25a184ec74274241a6b

                        SHA256

                        fe94352a25ade782ea77db82f1ec849479ebfe4605156142fc3fdfabc507a0cf

                        SHA512

                        d452182a296a9e202bce81ad0c752b34d4d779cac94bb54a07517936b79a4007127585673c524c75055f15e33c56eef0d26d1c448723a97fe70c15457bae5a24

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

                        Filesize

                        362B

                        MD5

                        20b164889086c50e2be7e83799886b88

                        SHA1

                        e813f0d19584247fb44151ea97a212197c9b7828

                        SHA256

                        76b4794f3b5e9efa322ee0683977f1646501b441f286b89239fddf2c0c2d2fc3

                        SHA512

                        9ec551ba8254597ab09c733715a26b39c475503a40f020636e8ad727e5ef6cd3bf880d937a8970c36fdd9ed9c2dd3dccb127deef0991fad50eb5b83b38417d79

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

                        Filesize

                        410B

                        MD5

                        66a1f0147fed7ddd19e9bb7ff93705c5

                        SHA1

                        9d803c81ea2195617379b880b227892ba30b0bf6

                        SHA256

                        4f45ce85e221352f7fe26e04968c7f7267dc24b55cf2b72b929b4c90e48cb764

                        SHA512

                        cfe51756ddec75d240249980a4d27870d15983add25058e4d0da4d8a3ea11384d4d228d6cbc95091f91e516e1ab4dfb1e315941dbd95bf717d4b31936311d597

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

                        Filesize

                        3KB

                        MD5

                        c106ffc420b54a4f0fd331f10657dc66

                        SHA1

                        8930d5b56358f518bdf5ccca2b4d24f98ce7a03f

                        SHA256

                        fb8218f8c607ec3a4c4cb6e59ee81a94cf8ff513d0b09565ad456c88a9e7250b

                        SHA512

                        ee82fb57af0dddf8f1acab855cda151d3eacb8e11b0adc3a81852c1e2d77a566aa630ff5dabd8c7bc92ebe78b6187cc823c8a4a645ca78ee88e2c27483080fbd

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

                        Filesize

                        244B

                        MD5

                        524023ba7f18bfc502d22dbaade4571e

                        SHA1

                        fc118e1284db4e36da41d5cc4496ffa9a8b7cd2e

                        SHA256

                        5d170c83ca9a16ed7f62145099b3b8b0c0a1d4187e60bb0719754cb6ed40fc4c

                        SHA512

                        22384a0854a9949209444d9e7af3016327ad698e56797af246e02604b880949f40c7f4627303c11d73581c681b93bcee285b3937d4088c61107b9ec73901bdbc

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

                        Filesize

                        44KB

                        MD5

                        8639815b7bda81055eaba69766f4c83c

                        SHA1

                        fcd1aacf535d0e948a8ff8104126040d1efb5bb3

                        SHA256

                        cf1b5e5145057f947af3ab59060e7b184975c66a68d4076732774a572f8376c8

                        SHA512

                        02268150ae0042dc1b8fda8d2d31b8d94058ade4fff8244a60ba8580f464e1bb5cec4a77448ba730389f9680b27742a697174c5efe2c1ddccb342ab01a5b0954

                      • memory/1412-81-0x0000000000400000-0x0000000000422000-memory.dmp

                        Filesize

                        136KB

                      • memory/1412-0-0x0000000000400000-0x0000000000422000-memory.dmp

                        Filesize

                        136KB

                      • memory/3536-79-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-91-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-61-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-62-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-63-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-64-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-65-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-67-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-59-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-58-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-70-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-74-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-77-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-76-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-78-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-56-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-54-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-82-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-84-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-86-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-88-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-89-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-90-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-60-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-92-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-93-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-94-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-95-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-96-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-100-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-101-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-102-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-103-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-104-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-109-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-119-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-120-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-121-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-122-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-123-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-125-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-126-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-141-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-143-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-144-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB

                      • memory/3536-147-0x00007FF9FB060000-0x00007FF9FB0CE000-memory.dmp

                        Filesize

                        440KB