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Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    14/03/2024, 17:58

General

  • Target

    ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe

  • Size

    2.3MB

  • MD5

    c2136ed84bf13d025e3a9e17873375b8

  • SHA1

    1e8f7e846565c3b7c8c76de5961f26dd792683dd

  • SHA256

    ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c

  • SHA512

    e4b9f643fc2eab7f2df9f6f40c8f0f9a951d8e7b6e89661baef7435679ee74b5ffb511f6350f11140958af05081befd2accf375f7547c9e252e6d9138b2e47ad

  • SSDEEP

    24576:6CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHd:6CwsbCANnKXferL7Vwe/Gg0P+Wh3u

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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 9 IoCs
  • UPX packed file 10 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
    "C:\Users\Admin\AppData\Local\Temp\ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1752
    • 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:2136
    • 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:2560
      • 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:2828
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2944
    • C:\Users\Admin\AppData\Local\Temp\HD_ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
      C:\Users\Admin\AppData\Local\Temp\HD_ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe
      2⤵
      • Executes dropped EXE
      PID:2952
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1916
    • 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:2548
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259393813.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2868
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2752
      • 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:2632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2.3MB

      MD5

      d50d6a78f09a72b5e9bc60cb4c8bd769

      SHA1

      d7e4f5cc5ab00f5038259401cc80c1e6ccfbd20b

      SHA256

      853f48536946e557517b1498a67ca085821d5e2e57d76b83d7a61bdc8acf2f21

      SHA512

      7d71358b6b327d0f7fd4218b10f08e6acb5e2204ecf76bdbc78f6cece76aa40c6fc87306877b7dfa2720d2daf05d104740c6dd2bd2531c5a83952960dc6fdb0e

    • C:\Users\Admin\AppData\Local\Temp\HD_ecb07db35b4abe751e587d561bfdf49d40f301de5a619fc0ecc6a7b97a55b45c.exe

      Filesize

      23KB

      MD5

      464b700fa4c636730b49b3df968563e2

      SHA1

      51d96feac9a518edb5e6d8d89289dee67cfad13c

      SHA256

      c59de82e1f2de5ff89d0980f347827e564efb36c3d9020d8c0a81c605c37a37a

      SHA512

      73fda25075d2bdbd802793cb3093a00a43c84e21ded689d2aadd0bcd7b1e4d38acfa53e823c95fbc65bbab4e9396d4648346a533f01de02282df1fc83fb65bc6

    • \Users\Admin\AppData\Local\Temp\N.exe

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Windows\SysWOW64\259393813.txt

      Filesize

      899KB

      MD5

      b62c61cfc9e1affa13d6d1e848c67698

      SHA1

      3daaa714a351537952edf635e1ca7129a141ccca

      SHA256

      21256c1862937d049952299916737dc1dba091fed80fd7fa100010878562ca32

      SHA512

      7f7085df5e1c3f0307a3c57b1a8584860ecd97814ba0ffc002bbfbb8a8e12d1084f46f760b9279b747ae24666c522286aab96ab5859d7f3abe74fd706c4cdda8

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2560-32-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2560-22-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2560-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2560-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2560-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2632-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2632-51-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2632-53-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2752-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2752-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB