Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 19:05

General

  • Target

    c7387492ed2e9a13e518ada75946f8aac82b48782b0e474c364e3deb15a0efbe.exe

  • Size

    4.1MB

  • MD5

    81330c5d60ef8774e124dbff29577d75

  • SHA1

    e65c8510c32213d952104a96ac3a175ea439a62d

  • SHA256

    c7387492ed2e9a13e518ada75946f8aac82b48782b0e474c364e3deb15a0efbe

  • SHA512

    2dcacdf539cd4b8b01a819455f3225ea74ef11355e13eb855c4f6396ab9559647e5e04e91e44c28a66d14d54ae34d07f3b7a6d816425eee723ad9ac4fb7ce18f

  • SSDEEP

    49152:KCwsbCANnKXferL7Vwe/Gg0P+WhUhsC/9cXp3GFpOoqu6r422rTm6v:dws2ANnKXOaeOgmhHS9cZ3GFpOot230

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Drops file in Drivers directory 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7387492ed2e9a13e518ada75946f8aac82b48782b0e474c364e3deb15a0efbe.exe
    "C:\Users\Admin\AppData\Local\Temp\c7387492ed2e9a13e518ada75946f8aac82b48782b0e474c364e3deb15a0efbe.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:216
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1280
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3412
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4880
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2892
    • C:\Users\Admin\AppData\Local\Temp\HD_c7387492ed2e9a13e518ada75946f8aac82b48782b0e474c364e3deb15a0efbe.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c7387492ed2e9a13e518ada75946f8aac82b48782b0e474c364e3deb15a0efbe.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://se.360.cn/
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1684
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://se.360.cn/
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4200
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4200 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2620
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3540
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240603031.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4664
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3604
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -acsi
        2⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:1816

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

      Filesize

      471B

      MD5

      c41ab5352ba79baac9ac093dd7eb2500

      SHA1

      1ffb0e70f86845daba211aeda43cad539d34ffd3

      SHA256

      558e13bb7aa293569457e9703d2db37e8365e2ab670b2c3484ada9336ed24895

      SHA512

      ccebe3f11039e14d39d4102652669fd372d179778bf73fae0659dd01da569bbf850b273cd3a4e13dc77b3fd4fb4d84d01525ac3a0dcb23b297c733da10bc2ff0

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

      Filesize

      404B

      MD5

      1eb9002bc86e4d13348f811a1fdfa18c

      SHA1

      c4d06a7202f32f9e242dfb825e304ba2d91d2357

      SHA256

      f8f27e5e2d19560c583bdea8659ef7982f281fee4efb164d1c87e156f42aaa23

      SHA512

      a8f469dba6e7d3989686c3b718c2c68e0502559b5f7879df9d22499aa192e5629311ef41d9a79d9320580ed3e09a3222d74e1892ab4fb2c534b813e5811f907d

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE271.tmp

      Filesize

      15KB

      MD5

      1a545d0052b581fbb2ab4c52133846bc

      SHA1

      62f3266a9b9925cd6d98658b92adec673cbe3dd3

      SHA256

      557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

      SHA512

      bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DD719OCW\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      2.3MB

      MD5

      0c931cfffaf62479258ec258f61e666c

      SHA1

      e3ba94e4bffe709062d3145fc289a0c80ef222a3

      SHA256

      83161791203e2a476a772486f98214b2a8abe63b29f1b6791df5c94e037bfb7d

      SHA512

      b3e3d6fb7115328f3b50974efe36a61f9febd346c6595f21c973ee3aaba8554f54198742dd1da32b685f3eae3c0ad3e047efa940c1552e16c05b462bb64e9e8c

    • C:\Users\Admin\AppData\Local\Temp\HD_c7387492ed2e9a13e518ada75946f8aac82b48782b0e474c364e3deb15a0efbe.exe

      Filesize

      1.7MB

      MD5

      ce5911867cc2a6e12437951e7e7ebb45

      SHA1

      30384356c668fa81c392aed779ca7c78a7aa0a4f

      SHA256

      004ae8947d08152218ec28c3277a793d0b6caf8dc67cef6b00fc959f4ccce09e

      SHA512

      0463dfe68b152383ebee1290d72766478e7d871e531630cb135c5614457a19dc0e5caa451c2d473a06eece20bcf03037dc34f9fc47565d1153b1ac0464a97f13

    • C:\Users\Admin\AppData\Local\Temp\N.exe

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

    • C:\Users\Admin\AppData\Local\Temp\R.exe

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • C:\Windows\SysWOW64\240603031.txt

      Filesize

      899KB

      MD5

      c305f3d368b0b2107a751db39f88a7f8

      SHA1

      7a24581598f2e3c57a677f30f19e9e9d71b3a2ac

      SHA256

      998e89896031a517d76eb6af640522c779ef5df7790c0234c7d393bb8d88b1d4

      SHA512

      699588d4232814e8f83dd39780d5bf7c3ddd2838a43c25f12236a5580d46e79f506190306bcc3f520c09f3126155c219e01c1adb3ff93ef87aa7061e494d33ea

    • C:\Windows\SysWOW64\Remote Data.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/1816-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1816-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3412-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3412-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3412-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3412-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3604-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3604-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3604-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB