Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2022 00:50

General

  • Target

    0cf208976a34f0aea8b7e24ea85c9064c3b16d9b24b0aa5888abe731d73894e9.exe

  • Size

    4.8MB

  • MD5

    dcdb623497b583b36b239996161ef859

  • SHA1

    c174b8430d5a410e7d5d4ce858653b9d83cd5323

  • SHA256

    0cf208976a34f0aea8b7e24ea85c9064c3b16d9b24b0aa5888abe731d73894e9

  • SHA512

    12754b77e1151dc4ff9d62ef909bf07d7b9bbe3d0046d174943aa57e77cfbdf4c0f16b044cbe79af56898174f310e08f86d050edb6f1105e1d36f378894d1aab

  • SSDEEP

    98304:kGdVyVT9nOgmhIsSAfIqtpS6Z2OdAwFhHZOhJgMze4oZqxakhL:bWT9nO7gAfjtpSMAwFh5MaZqw0

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 13 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
  • Executes dropped EXE 6 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • UPX packed file 10 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cf208976a34f0aea8b7e24ea85c9064c3b16d9b24b0aa5888abe731d73894e9.exe
    "C:\Users\Admin\AppData\Local\Temp\0cf208976a34f0aea8b7e24ea85c9064c3b16d9b24b0aa5888abe731d73894e9.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4796
      • 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\svchost.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4276
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Executes dropped EXE
      • Sets DLL path for service in the registry
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:4988
    • C:\Users\Admin\AppData\Local\Temp\HD_0cf208976a34f0aea8b7e24ea85c9064c3b16d9b24b0aa5888abe731d73894e9.exe
      C:\Users\Admin\AppData\Local\Temp\HD_0cf208976a34f0aea8b7e24ea85c9064c3b16d9b24b0aa5888abe731d73894e9.exe
      2⤵
      • Executes dropped EXE
      PID:420
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4736
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Sets service image path in registry
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:5088
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:4928
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240548953.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1072

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    2
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_0cf208976a34f0aea8b7e24ea85c9064c3b16d9b24b0aa5888abe731d73894e9.exe
      Filesize

      3.5MB

      MD5

      529b9727bb1ec2efd8bf9152a0e15ae9

      SHA1

      bc9c333c4114e5f6c0ad62dfde18a41cad9d620f

      SHA256

      0ebaebb004f2077b6cc4674023298164ad3d847f5dd9713aef0ad5394a0c53ab

      SHA512

      367560bdde8d2e43c580283688c54d1260ba41da51d062d268d9b87984103b0265234ce65ab977366e85a6d5f45f99ce2e5d50494a1ad892aa09c454b0ec698a

    • C:\Users\Admin\AppData\Local\Temp\HD_0cf208976a34f0aea8b7e24ea85c9064c3b16d9b24b0aa5888abe731d73894e9.exe
      Filesize

      3.5MB

      MD5

      529b9727bb1ec2efd8bf9152a0e15ae9

      SHA1

      bc9c333c4114e5f6c0ad62dfde18a41cad9d620f

      SHA256

      0ebaebb004f2077b6cc4674023298164ad3d847f5dd9713aef0ad5394a0c53ab

      SHA512

      367560bdde8d2e43c580283688c54d1260ba41da51d062d268d9b87984103b0265234ce65ab977366e85a6d5f45f99ce2e5d50494a1ad892aa09c454b0ec698a

    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • C:\Windows\SysWOW64\240548953.txt
      Filesize

      50KB

      MD5

      c1b3746e9ecbee07e33d2919ec1e9abf

      SHA1

      75af5de811f5cd3f688626e0be6a4817aa04b65d

      SHA256

      0907cea1fd454c074f3372a68664e44b2532f40ece33f0fca1f266cac23e2ede

      SHA512

      b9f6d4d2aa88d392638653121969ee1ef0bc136b83318f5f71a8d5236ef610e2bd26ca511e73e7f01a62e7e4afb1f263b167292f47bd15678e5b2a2d6b61647f

    • C:\Windows\SysWOW64\240548953.txt
      Filesize

      50KB

      MD5

      c1b3746e9ecbee07e33d2919ec1e9abf

      SHA1

      75af5de811f5cd3f688626e0be6a4817aa04b65d

      SHA256

      0907cea1fd454c074f3372a68664e44b2532f40ece33f0fca1f266cac23e2ede

      SHA512

      b9f6d4d2aa88d392638653121969ee1ef0bc136b83318f5f71a8d5236ef610e2bd26ca511e73e7f01a62e7e4afb1f263b167292f47bd15678e5b2a2d6b61647f

    • C:\Windows\SysWOW64\240548953.txt
      Filesize

      50KB

      MD5

      c1b3746e9ecbee07e33d2919ec1e9abf

      SHA1

      75af5de811f5cd3f688626e0be6a4817aa04b65d

      SHA256

      0907cea1fd454c074f3372a68664e44b2532f40ece33f0fca1f266cac23e2ede

      SHA512

      b9f6d4d2aa88d392638653121969ee1ef0bc136b83318f5f71a8d5236ef610e2bd26ca511e73e7f01a62e7e4afb1f263b167292f47bd15678e5b2a2d6b61647f

    • C:\Windows\SysWOW64\TXPlatforn.exe
      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • C:\Windows\SysWOW64\TXPlatforn.exe
      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • C:\Windows\SysWOW64\TXPlatforn.exe
      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • \??\c:\windows\SysWOW64\240548953.txt
      Filesize

      50KB

      MD5

      c1b3746e9ecbee07e33d2919ec1e9abf

      SHA1

      75af5de811f5cd3f688626e0be6a4817aa04b65d

      SHA256

      0907cea1fd454c074f3372a68664e44b2532f40ece33f0fca1f266cac23e2ede

      SHA512

      b9f6d4d2aa88d392638653121969ee1ef0bc136b83318f5f71a8d5236ef610e2bd26ca511e73e7f01a62e7e4afb1f263b167292f47bd15678e5b2a2d6b61647f

    • memory/420-162-0x0000000000000000-mapping.dmp
    • memory/1072-166-0x0000000000000000-mapping.dmp
    • memory/4276-161-0x0000000000000000-mapping.dmp
    • memory/4736-141-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4736-144-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4736-143-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4736-154-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4736-148-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4796-146-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4796-138-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4796-137-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4796-135-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4796-132-0x0000000000000000-mapping.dmp
    • memory/4988-147-0x0000000000000000-mapping.dmp
    • memory/5068-145-0x0000000000000000-mapping.dmp
    • memory/5088-149-0x0000000000000000-mapping.dmp
    • memory/5088-165-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB