Analysis

  • max time kernel
    157s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 18:59

General

  • Target

    27fe1f8695ffbd09a6d91a842ede68de43d27c7b30c9e5f7d8c025557d7e2a30.exe

  • Size

    4.5MB

  • MD5

    5ff6e502410ed422428cb7fc6b470dfd

  • SHA1

    82dead6ee9932b227641c264f30c54bd12f2f12e

  • SHA256

    27fe1f8695ffbd09a6d91a842ede68de43d27c7b30c9e5f7d8c025557d7e2a30

  • SHA512

    c1989003c272be11c47b8794cebeb77efcd6a16e31ccf5ffd952ec15500d591eb6c14e1591382a41aed956247fd9e7d12f4c6eebb4b4d486ed7c50ab35f278e8

  • SSDEEP

    49152:yCwsbCANnKXferL7Vwe/Gg0P+WhDt3UCiag6CKM2zCyZuOjJaxSS5qh3B+:Vws2ANnKXOaeOgmh5zCfOjJaY3BB+

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 14 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
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 12 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27fe1f8695ffbd09a6d91a842ede68de43d27c7b30c9e5f7d8c025557d7e2a30.exe
    "C:\Users\Admin\AppData\Local\Temp\27fe1f8695ffbd09a6d91a842ede68de43d27c7b30c9e5f7d8c025557d7e2a30.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2480
    • 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:5052
    • 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:608
      • 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:2232
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:756
    • C:\Users\Admin\AppData\Local\Temp\HD_27fe1f8695ffbd09a6d91a842ede68de43d27c7b30c9e5f7d8c025557d7e2a30.exe
      C:\Users\Admin\AppData\Local\Temp\HD_27fe1f8695ffbd09a6d91a842ede68de43d27c7b30c9e5f7d8c025557d7e2a30.exe
      2⤵
      • Executes dropped EXE
      PID:4336
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:664
    • 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:2336
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240667500.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4416
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3900
      • 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:3300
    • 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=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4640

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\HD_27fe1f8695ffbd09a6d91a842ede68de43d27c7b30c9e5f7d8c025557d7e2a30.exe

              Filesize

              957KB

              MD5

              7d6bf5c5ae9740b20337d15fef135f82

              SHA1

              0052ead648eba8e58c82559789997388314d08aa

              SHA256

              9226f89148b306c0754d5c0e0d9f0b5a2a2807a68934f18018e792061dd0b6f5

              SHA512

              5282262b88c584683fa1416055bc70148bca759ebe3e1cc16435049f1b631feb9b66dceb0dc338b68f0706a232af4e040c4c7168d56481c91b4a430dcc34c189

            • C:\Users\Admin\AppData\Local\Temp\HD_27fe1f8695ffbd09a6d91a842ede68de43d27c7b30c9e5f7d8c025557d7e2a30.exe

              Filesize

              918KB

              MD5

              5467fcc80e4e8c8181a54cdba7c0b1b9

              SHA1

              b5789f48c51a1a26c57670ad4a1378c870b81301

              SHA256

              3d67baaf9a154550a9f2f9c9f0a4fff577a775a3a4b46146a35781c89550a15f

              SHA512

              355f18fbf12067363fe79532f48272ce9b951d147b786e51e183936e11451cc234be5ae0075c20995981ea35bfa3296be20bafb8feee2a0ec9bf8192646da2a3

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

              Filesize

              1.7MB

              MD5

              e96070411036b2faa770322f0108adb1

              SHA1

              77281039d3c82519135652c2531c7c48e3b71413

              SHA256

              5dea02e2aaf33ff8175815183c302f5726d1eca614d3be6c5f36e1a3078eec9b

              SHA512

              491e35116aa08bb6c6781754f8639d3d04b8da1db01979565e55d53ffbb6129670b08a115213ec0be7f45baa0ed8ff3b69d30aa714383b2e5fe3816b3887b23c

            • 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\RCXFB36.tmp

              Filesize

              2.3MB

              MD5

              3eff21fe2904591ab01a9d79201f0c94

              SHA1

              33813af6dd355440d877453f6a9251a32476c1ac

              SHA256

              17434c4e5bfed7a6f4e421478ce631debff13d3dcce2ebb2c6ab18546ddde461

              SHA512

              13a0eeda745ad1e3f59f28fca8ed84d274593eead072d84baf5db2ffc5aeb5dd182917c3bdf2100435b88c14e5aee336d9286121ca33a7794d4c2668a79d26af

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

              Filesize

              69KB

              MD5

              e33fb6d686b1a8b171349572c5a33f67

              SHA1

              29f24fe536adf799b69b63c83efadc1bce457a54

              SHA256

              020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

              SHA512

              cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

            • C:\Windows\SysWOW64\240667500.txt

              Filesize

              508KB

              MD5

              eb71e3f9e019b2b872e7b65d01cfb287

              SHA1

              f606a0ad2e0007778636b5184019caeaeec981c4

              SHA256

              b69e4c2877a86e9b5811f85124613313dcfe4166bfe5273cdb708da9b29f3d6e

              SHA512

              e5eed5efb1e9f8c6aeb3566a5e7e68bacf4cf11ce5939f53229e9de58c002c3a890cbdab5f5a38dc6f092f1c90a67dbb08939ba417777697437f2da03de9e011

            • C:\Windows\SysWOW64\240667500.txt

              Filesize

              196KB

              MD5

              b6f11a361c23d2e53919228ca6ce25fd

              SHA1

              10c663a1d9794382d653cbd0f81673e1aea2f930

              SHA256

              1e95d733f6bd7a5524b13c9cbe9dcba88eb27f48300f3860d23306ad10dd9844

              SHA512

              40118a012226ee0eb016be68cf6fae83bd544efef7c02cdc161b40cffee013eef19decf1e64832ba6732a84dbfa2316f3a5f3a682916865da8c7d8a7c4d31bd0

            • C:\Windows\SysWOW64\240667500.txt

              Filesize

              899KB

              MD5

              3edbd82d593fd1db910ce0a8d72c5092

              SHA1

              0145d09fab7a5b93fc24c29e105ce7ec1b050e67

              SHA256

              465c3763f291b781febbbdec11d810821fca7419313d4ba0da4476a83bed6477

              SHA512

              e04cf0386293fab701eb97e38ff6b56fa875fd87d69eb2e2f3e1a471b844d11f33fa446faf5cbbab668a579cf56a30392511a54475ee789da3500f79550101f5

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

              Filesize

              60KB

              MD5

              889b99c52a60dd49227c5e485a016679

              SHA1

              8fa889e456aa646a4d0a4349977430ce5fa5e2d7

              SHA256

              6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

              SHA512

              08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

            • C:\Windows\SysWOW64\TXPlatfor.exe

              Filesize

              305KB

              MD5

              80821ebff4600626877c46343e61f73b

              SHA1

              4a119d5c80aa14cb26c8a764817097412d6eaabd

              SHA256

              5be3658711039aaf96e8a24b4398f0058a87df3be39a8d8c5ed0761d2825a34b

              SHA512

              7103b3d0d7cfe4cc96e9c0c6e88410d15c1ad02fc79bfda2bca537aadbd4789c5046b5da2ac41bb1cd5d2fe4f2587380b03bc7789a504b034259cee540b70679

            • \??\c:\windows\SysWOW64\240667500.txt

              Filesize

              630KB

              MD5

              9d52e31e0f886b5e966d09bc559dde3c

              SHA1

              f7ded6b65b675bcc2633416c92fdd66b90b6ab11

              SHA256

              f76e4a028341d72113ea2a43a45c37905bca5d78b42ddb903f58af3afab88fbb

              SHA512

              890af0526f6ddd62660acd00097655bf059503ed9a902a69195fe6e32b634fe930cfabe2615068b1258248760cb3f80de410a58e23a6273c1ae12eef196f394a

            • memory/608-12-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/608-14-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/608-30-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/608-15-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3300-48-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3300-43-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3300-45-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3900-28-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3900-27-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3900-24-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3900-39-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3900-29-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/4336-49-0x00007FFAE2CB0000-0x00007FFAE3771000-memory.dmp

              Filesize

              10.8MB

            • memory/4336-42-0x0000000000B00000-0x0000000000CF4000-memory.dmp

              Filesize

              2.0MB

            • memory/4336-67-0x00007FFAE2CB0000-0x00007FFAE3771000-memory.dmp

              Filesize

              10.8MB