Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 11:17

General

  • Target

    4976e5ac6074fdb206f0f20a36b8d7a180077dc4a04a8587cad6cdabf740ae75.exe

  • Size

    6.3MB

  • MD5

    2c4008ab69fe2800409f9db1edb3305c

  • SHA1

    78fd602aaa6d3787620dade57018d1d45d95dba4

  • SHA256

    4976e5ac6074fdb206f0f20a36b8d7a180077dc4a04a8587cad6cdabf740ae75

  • SHA512

    4a98ffc3e81e033fcfcf11a223c68e6e281bff6ecfab4c0a8da1868e077c3ec819235619dc502789a540e98cd37f343263f006af9a76c2103ac06d70fa081091

  • SSDEEP

    98304:uws2ANnKXOaeOgmhNODDAIPCTEcCLYSqe3Q4gWrlwg:8KXbeO7QDFz3QRxg

Malware Config

Signatures

  • Detect PurpleFox Rootkit 5 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 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 8 IoCs
  • UPX packed file 6 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\4976e5ac6074fdb206f0f20a36b8d7a180077dc4a04a8587cad6cdabf740ae75.exe
    "C:\Users\Admin\AppData\Local\Temp\4976e5ac6074fdb206f0f20a36b8d7a180077dc4a04a8587cad6cdabf740ae75.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2188
    • 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:2208
    • 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:820
      • 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:2620
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2468
    • C:\Users\Admin\AppData\Local\Temp\HD_4976e5ac6074fdb206f0f20a36b8d7a180077dc4a04a8587cad6cdabf740ae75.exe
      C:\Users\Admin\AppData\Local\Temp\HD_4976e5ac6074fdb206f0f20a36b8d7a180077dc4a04a8587cad6cdabf740ae75.exe
      2⤵
      • Executes dropped EXE
      PID:2708
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2816
    • 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:2820
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259395482.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3020
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2664
      • 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:2568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2.5MB

      MD5

      5ca6994cd31799ae6e38e175b07981f0

      SHA1

      92e4fc49e23fae4420b7cec3cd09544c63f69885

      SHA256

      ba1c1853333ebccea8618f29605d84360a29cf1d79eaa1ae756e176620d86aad

      SHA512

      72c907d6346ee940372348abec8d480c7c3d822d0d3cb26936fff4084f3af22fcf357c89b7fba1b127de66930ec99d2da70b58e73656be199bbe4756ade9a436

    • \Users\Admin\AppData\Local\Temp\HD_4976e5ac6074fdb206f0f20a36b8d7a180077dc4a04a8587cad6cdabf740ae75.exe

      Filesize

      3.8MB

      MD5

      0926684c742068edb6f9d06239285210

      SHA1

      9445b4355f6a2b0467b88341ffa184443ebcbf2b

      SHA256

      511f9a6f14c1bf591d67fd9b14d515417b04cba7dc475bc4f5695be5bd147c43

      SHA512

      a6b24a1b50a9b7baf9856222b92d8bf08dbc2cae16a86705c45a6db44e6cd8af33d85278da4929ee257f244c0194953b9a892ce35fed87686bfc59b1339d4e37

    • \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\259395482.txt

      Filesize

      899KB

      MD5

      1cb1e64647ad6d05f7f5ee6788b124f1

      SHA1

      70112f9b05f470651578f6a112e43ab1a8fdb502

      SHA256

      bcb29b26864e21f50b1258fc31276ce888e48840fb13a5c0bcef33d8df044bc7

      SHA512

      2efeeff184ae57bce1e9809a05a2da63fd24ca42dcd91e8170e9c15c4989b3286f53cec5e25361be2c7bbe58435256e1a16164225cf1403466e7bebd3bbabc9c

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/820-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/820-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/820-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2568-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2568-47-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2568-49-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB