Analysis

  • max time kernel
    152s
  • max time network
    158s
  • 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, 19:04

General

  • Target

    9256c195fc4d82eddde4bed6a8eff2174aa6d2e69e824d4ff350666011d4579b.exe

  • Size

    2.7MB

  • MD5

    be8e5db4223f1c26bac3362c5a5c7fe6

  • SHA1

    13db1aedd2559aafbe90d5f661edcc7f63dc35cd

  • SHA256

    9256c195fc4d82eddde4bed6a8eff2174aa6d2e69e824d4ff350666011d4579b

  • SHA512

    beb028ce9bf83464c080ffe5720062a7a83e89e1579350203ae36dd63c2c78358f284439934def0603b3079086724e5c3b73410e78855c9426bb275b49565c42

  • SSDEEP

    24576:yCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH:yCwsbCANnKXferL7Vwe/Gg0P+WhcYF

Malware Config

Signatures

  • Detect PurpleFox Rootkit 12 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 16 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 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9256c195fc4d82eddde4bed6a8eff2174aa6d2e69e824d4ff350666011d4579b.exe
    "C:\Users\Admin\AppData\Local\Temp\9256c195fc4d82eddde4bed6a8eff2174aa6d2e69e824d4ff350666011d4579b.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1124
    • 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:572
    • 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:3400
      • 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:4280
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2460
    • C:\Users\Admin\AppData\Local\Temp\HD_9256c195fc4d82eddde4bed6a8eff2174aa6d2e69e824d4ff350666011d4579b.exe
      C:\Users\Admin\AppData\Local\Temp\HD_9256c195fc4d82eddde4bed6a8eff2174aa6d2e69e824d4ff350666011d4579b.exe
      2⤵
      • Executes dropped EXE
      PID:688
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2940
    • 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:2912
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240642500.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3752
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2880
      • 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:2304
    • 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=1408 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1248

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\HD_9256c195fc4d82eddde4bed6a8eff2174aa6d2e69e824d4ff350666011d4579b.exe

              Filesize

              100KB

              MD5

              854ebcebe6db70b07ded344fb33bab49

              SHA1

              bf7a03c75c89d1a5143e511492154ea74d496a84

              SHA256

              5b4d88e43dbd63f1f3fdf6d70586147767cf2db2593a2f3244556a9d33f2af1e

              SHA512

              c383e472bcb1dbc5dac8ad138420a407903b5b8fce907448285587779704d40824972627bff451273b329f08e580f24f8d9da0acbe406b8d53df574313eb79dc

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

              Filesize

              2.6MB

              MD5

              274fe01eb0f4cd402c3cfdeda4b30715

              SHA1

              72db93e86caaadf2f28e5265ebfbc2ea6ba9e705

              SHA256

              843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40

              SHA512

              6d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798

            • 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

              320KB

              MD5

              c63cb879865814b5eb995dfabd167ee8

              SHA1

              e087a744b33427695d340173b0e62e22911a5140

              SHA256

              8a730bd3eaec648b747f62fe8005a3c6b5c9d44db7f2542aaff115bb45ec03fa

              SHA512

              3f46df7478bafe509f451b743b614ec491eceb1874e4ef7b9351251e79ac63e0d312445b091ae58359b4454360183f414835917edf97280f6f98b27fa2aef7ed

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

              Filesize

              213KB

              MD5

              eee665a4b7a5be51e86e1c0f0c173e57

              SHA1

              4d3e03986a3c59d53e579ef5b4deecc2a481c6b6

              SHA256

              7485848f4777b34855cdf6884e889891af4e1f627aab0fa9f607420b7f92bfba

              SHA512

              6c2118747f45906aea6d6d99e59c8e964953e689c1da85146b9e056ae422fc123a547708e7e4051bec422ba673dd441ab7156729e0ee1453c6c381fa951f700c

            • C:\Users\Admin\AppData\Local\Temp\RCX9D18.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\240642500.txt

              Filesize

              899KB

              MD5

              eafa79d18676b30f3b0413ae4c697ede

              SHA1

              b4f0ccf2472c371284af9b4d3ec03bf32f90a5db

              SHA256

              7b01f2fea20ed27c73142f372bc090674271ba89086fb936fa063015373e8565

              SHA512

              213cc311f3d841db9c77936361d6f71736cf0b7311e59e07fbc7bf58f58e588bfef1fc1f27af9c07f5156c240538468bcd1ef7eaff4cb7da9e7f67aeeeaef7e5

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

              Filesize

              60KB

              MD5

              889b99c52a60dd49227c5e485a016679

              SHA1

              8fa889e456aa646a4d0a4349977430ce5fa5e2d7

              SHA256

              6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

              SHA512

              08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

            • memory/2304-38-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2304-49-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2304-40-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2304-42-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2304-43-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2304-46-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2880-30-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2880-28-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2880-29-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2880-26-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2880-37-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3400-18-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3400-31-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3400-20-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3400-19-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3400-16-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB