Analysis

  • max time kernel
    155s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-06-2024 02:52

General

  • Target

    383cff956052e8be30070648bdfaf34402cfb6ca3d90f955861e647203da6430.exe

  • Size

    13.0MB

  • MD5

    bdfe0345a75812e8568d51722e08499b

  • SHA1

    3edd0e868318b255e1356b9b6754ba91fce20483

  • SHA256

    383cff956052e8be30070648bdfaf34402cfb6ca3d90f955861e647203da6430

  • SHA512

    3b9035ff0b2f18b565dfe83040009bfb9c93911bd09cb349fb0f57bdc94dcda5ac2bb75c1661da336353ebd1cc731856985b4eae0962d66700f95f70109d2fe2

  • SSDEEP

    196608:/KXbeO7Uon76c7/LwWVl5Ez52QhsHgi4r/HkodHaXZUZzJBWsbxbDwSrBG/:c7Pn76cfwa5EnhsSr/HyZUZ+slQP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 10 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).

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\383cff956052e8be30070648bdfaf34402cfb6ca3d90f955861e647203da6430.exe
    "C:\Users\Admin\AppData\Local\Temp\383cff956052e8be30070648bdfaf34402cfb6ca3d90f955861e647203da6430.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:3600
    • 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:1536
      • 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:4848
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1040
    • C:\Users\Admin\AppData\Local\Temp\HD_383cff956052e8be30070648bdfaf34402cfb6ca3d90f955861e647203da6430.exe
      C:\Users\Admin\AppData\Local\Temp\HD_383cff956052e8be30070648bdfaf34402cfb6ca3d90f955861e647203da6430.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2892
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2600
    • 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:4984
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240649828.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4932
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1204
      • 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:3664
    • 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=4440 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4496

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Server Software Component

      1
      T1505

      Terminal Services DLL

      1
      T1505.005

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      1
      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_383cff956052e8be30070648bdfaf34402cfb6ca3d90f955861e647203da6430.exe
        Filesize

        10.7MB

        MD5

        690fac0159a4ab4523508d2b775763c7

        SHA1

        037e3a2409d8c0dbedfb40ac5b89a151162ac139

        SHA256

        71eaa240cf781cfcd9e7ddce52abead60353f3bfbc7d3923a56342030b9eff49

        SHA512

        346eeda40a106420c3e30fd3e5c99475b302af10c22cb32dd15393e5429c75dfa703722d0ca22c57672d243595aafd6f5a461bf8945f5de749bd9b107a60b135

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

        2.3MB

        MD5

        568537d343fdfdad8976e8b5d067f987

        SHA1

        629b986d71d235866883190a04da1243b430ee85

        SHA256

        29d19a000c57f4fe3b8a52acf452143251aef653d3c01da219dc710ad733d290

        SHA512

        84019cb5a011ced3c78d89484baea393ff97b39553345c872109d57a674c01e47be23c09dd87b75ee8b6c5f9739815aed7929b97b43bf4fe54c4871312b3838b

      • 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:\Users\Admin\AppData\Local\Temp\RCXB6E9.tmp
        Filesize

        2.3MB

        MD5

        5d514b429723e8d8ad52b56c2b5fb819

        SHA1

        21bb4d81faec45ca27872f36f495c33e9633c3c0

        SHA256

        3534536e2f6ed7b03e2702eb86cbbc0aa5ffb30ebbce7b7f334f9dc8bb611638

        SHA512

        0c85a582811d1d977be8009c2c5f03ce7563ecb16b4ecf6f47b4223d8264719119557659a02f2ab786734bf78f4605a164d0c646eb2102c24b230dfdfdba45c2

      • C:\Users\Admin\AppData\Local\Temp\X.ico
        Filesize

        69KB

        MD5

        e33fb6d686b1a8b171349572c5a33f67

        SHA1

        29f24fe536adf799b69b63c83efadc1bce457a54

        SHA256

        020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

        SHA512

        cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

      • C:\Windows\SysWOW64\240649828.txt
        Filesize

        899KB

        MD5

        de3b5dbd155bfc9be49115b69458d88b

        SHA1

        3f84cfcbcfb0674fa4abed9a0530c730acb4e237

        SHA256

        3795acd6b2e9ae39bf2edcdea8c69b9c7e4e823f77c5c5f5912134aaa3d4ee8b

        SHA512

        2df817f981c8a276c479df8378cc1cfd92d2ec1998511c5c97dc37995d187e253fad92b2e28ae0132801f6c52f7839dd64ff544652b5bc22f489b701b28d499b

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

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/1204-26-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/1204-29-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/1204-28-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/1536-19-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/1536-30-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/1536-21-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/1536-17-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2892-48-0x0000000000230000-0x0000000000CE0000-memory.dmp
        Filesize

        10.7MB

      • memory/2892-63-0x0000000005DF0000-0x0000000006394000-memory.dmp
        Filesize

        5.6MB

      • memory/2892-64-0x00000000058E0000-0x0000000005972000-memory.dmp
        Filesize

        584KB

      • memory/2892-65-0x00000000058D0000-0x00000000058DA000-memory.dmp
        Filesize

        40KB

      • memory/2892-66-0x0000000009470000-0x0000000009564000-memory.dmp
        Filesize

        976KB

      • memory/3664-41-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3664-46-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3664-38-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB