Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2024, 19:07

General

  • Target

    f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe

  • Size

    2.8MB

  • MD5

    912f653aef7196ec35a45dde87ac9c3c

  • SHA1

    62878d6d61883dfd0ba2efeae8a35696494d6c2d

  • SHA256

    f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d

  • SHA512

    d5f6343c96953d2ab4ec6241b0430d3e1b1306d00079259f492458da0aae4e0f8f2e7c62a0050fdb69a73422dee15aad750bb67fa6b8cdcb440067f740882dc6

  • SSDEEP

    24576:yCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHz:yCwsbCANnKXferL7Vwe/Gg0P+WhEYFg

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 7 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe
    "C:\Users\Admin\AppData\Local\Temp\f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2972
    • 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:2000
    • 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:2572
      • 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:2704
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2424
    • C:\Users\Admin\AppData\Local\Temp\HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe
      C:\Users\Admin\AppData\Local\Temp\HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe
      2⤵
      • Executes dropped EXE
      PID:2376
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2944
    • 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:2708
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259399180.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1672
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2648
      • 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:2620

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • 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\HD_f5b9ae5e96662bba2b9d777e4509a7ce68e4a4b59351ff336962804467ca0d5d.exe

            Filesize

            163KB

            MD5

            4bb8384ee066d842d90793183282aba5

            SHA1

            2f406c1a5cb768ab463064b310a36ecff441764e

            SHA256

            ee2cd68f5734cbd9ec00bada4724d53c8751efedf934edee28e6cb181fd7599c

            SHA512

            31405301b7a877ecc427bd4f86aaee4f9f34c5f7bca58df3183189c1f4afe5c84ebbc6abc775667492791ce811505755b231184040b889c9694ed5a852d36d48

          • 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:\windows\SysWOW64\259399180.txt

            Filesize

            670KB

            MD5

            fb6acc76d0f8395aca312125ae698abb

            SHA1

            ec293f434f639cdfe690e0f5b460f86f71d60077

            SHA256

            1bd881a609a012d7e71971cfa4ef4a5bf83de5f5cbb4282d3f1ff0fc1adaea7d

            SHA512

            1618fad4da8ce91f18f5ba71a8a40823576c6e9d60f0d323c5cb035bd211b765d750b3ffccfa1e14fbbb259fce0a95d451b8f15ef8ddaa186f02bf9cf07b0819

          • \Windows\SysWOW64\259399180.txt

            Filesize

            620KB

            MD5

            cd80b3a3547d57a8b9e49363950f83a2

            SHA1

            9156b2c82481c20bb1256ecc5ee661b1c73bf235

            SHA256

            fb1cb785cb7077084a7b27dad8104171ec33e692f35f958ddd2a1ac7643e3cee

            SHA512

            f6a2a2a4bc5006dd2c689dac6bb6f6b27195087b00f59bc96e23f2ddec8fde0f113408264ba05afa31bea3c797adc44d7af71f43fec68006da53dc5d1bcd8706

          • \Windows\SysWOW64\259399180.txt

            Filesize

            899KB

            MD5

            2ca8f538e4833dc4c341d2540b151678

            SHA1

            99e474e13a89362c315a76e6bba873c21f13cb41

            SHA256

            1bbdfecb80268eb119339b3d03925efa4bd312be12193e8ebda43d76d638811c

            SHA512

            36098feee7b2e54b48089a91b0fb29d1b547ff665a45c5c449265e8fa70cd29105041cdbab407d9639c3bfe0a3490703cb1d01c435599021d66cb72549696662

          • \Windows\SysWOW64\259399180.txt

            Filesize

            871KB

            MD5

            b8b903cb989b07ef9a77cf52d1567ac2

            SHA1

            c233ad375bfc74df06bd75057d19e5bb57b50952

            SHA256

            c764bab72ada507c1704b8669eb0196b5ac25d9689112389543381ff931f4efd

            SHA512

            5a2bf0c6c43319a2f9893b692ccbfcd5ea3aa9fb9938fb2b0846d615e24080d965f3063cbf7ae8310d0012641f9e4997b92747e7739ce15ade0a3afbcad6e530

          • \Windows\SysWOW64\Remote Data.exe

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

          • memory/2572-18-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2572-31-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2572-21-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2572-22-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2620-47-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2620-50-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2620-45-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2648-40-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB