Analysis

  • max time kernel
    153s
  • max time network
    159s
  • 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, 19:09

General

  • Target

    40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe

  • Size

    2.8MB

  • MD5

    ca664de6f39b223d92840e5053a804fb

  • SHA1

    5b0c9a06b7542fd7e581c675e349337fb8aa64fb

  • SHA256

    40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927

  • SHA512

    253226c2d95af74ae2cea48e6b977fd1e62adefd456c1517dd218f5729799141a5c1ee68f850af7cb33303360a57b78203a2a603fd58455a47f06161ce6cf119

  • SSDEEP

    49152:yCwsbCANnKXferL7Vwe/Gg0P+Wh8WJLbz:Vws2ANnKXOaeOgmhdJLbz

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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 13 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
    "C:\Users\Admin\AppData\Local\Temp\40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:556
    • 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:4164
    • 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:2172
      • 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:3432
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3876
    • C:\Users\Admin\AppData\Local\Temp\HD_40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
      C:\Users\Admin\AppData\Local\Temp\HD_40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:3488
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3624
    • 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:3592
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240653156.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2076
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:540
      • 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:3148
    • 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=3996 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4664

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\HD_40ed387cc6863ca3536e937a60092eef02bccbe0fef8a3ffb0213716833c2927.exe

              Filesize

              174KB

              MD5

              83026a87b4d75dff64126da890fc8633

              SHA1

              08bc0a27fedb65a8a1e140b233a6a6100c5da07f

              SHA256

              56b4d9bf4e51f3b03a2e98cf2ee28512ec04ac9c497c1fbad0343a904e787ff0

              SHA512

              adaefb8fde5758c02b6562376c41cbfe8cd98b0c5f4ca6340b410e3dd08e9bcd83ca2a48c63355e423524034dd348171bdb2d7bd98e7fe0f62d904ce841535b2

            • 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

              941KB

              MD5

              8dc3adf1c490211971c1e2325f1424d2

              SHA1

              4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

              SHA256

              bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

              SHA512

              ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

            • C:\Users\Admin\AppData\Local\Temp\RCXC169.tmp

              Filesize

              209KB

              MD5

              19810e604125d5c41c5a5065db561bee

              SHA1

              af3cce29b54cda3b28be360b5e7414021f9734eb

              SHA256

              6ecfee2b357c24d464f32cf68c1f8d73ddf31b20bf69742da542e51aa9a71291

              SHA512

              099f8c547b0160ddc4bbc75ea3a9bf29f8a43806b1c0e511675c2998ccc8d802e191a5f3d667b780e2e3626dcf429be1f90a874e50f5337ad17e913fa18ab5a8

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

              Filesize

              69KB

              MD5

              e33fb6d686b1a8b171349572c5a33f67

              SHA1

              29f24fe536adf799b69b63c83efadc1bce457a54

              SHA256

              020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

              SHA512

              cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

            • C:\Windows\SysWOW64\240653156.txt

              Filesize

              899KB

              MD5

              5963d84b4fcf13fa219c8305818aff50

              SHA1

              57d050b8a87fa1a4dcdd20bcf012a497ba583bc8

              SHA256

              554d7ea488a25e0d52e698e08e1fa28bcf4b6e42827250ca8bfdd0262cf16041

              SHA512

              eff8117be7eec48ae333b26babcb7df88dc7bfde98d0ec0dd483d52a2ad8548604dfc7ce0cb503ba059f4b3511c04ab1cc731b38868e072690b731f3194cc344

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

              Filesize

              60KB

              MD5

              889b99c52a60dd49227c5e485a016679

              SHA1

              8fa889e456aa646a4d0a4349977430ce5fa5e2d7

              SHA256

              6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

              SHA512

              08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

            • memory/540-29-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/540-30-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/540-28-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/540-26-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/540-38-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2172-19-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2172-33-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2172-20-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2172-18-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/2172-16-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3148-44-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3148-47-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB

            • memory/3148-49-0x0000000010000000-0x00000000101B6000-memory.dmp

              Filesize

              1.7MB