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
    25-06-2024 18:40

General

  • Target

    b71062e192d1de0dcd1f30b114f4560163322944d280e0ac755b5478875d40bd.exe

  • Size

    3.4MB

  • MD5

    2f18c40f0ac34f052ee9773019750f09

  • SHA1

    ab278d195bece16bc9411b3dafb9eefb0d825527

  • SHA256

    b71062e192d1de0dcd1f30b114f4560163322944d280e0ac755b5478875d40bd

  • SHA512

    d986e0319f5d7d21317b91771845010c28c5d1adf99c84460be2f30db1c40edd4fc7d633ef8e6c731f3ecb387b3fa7e3361b2c1078a5992ad170b11008ce6ea5

  • SSDEEP

    49152:ZCwsbCANnKXferL7Vwe/Gg0P+Whtyn2gGtt6H3NmDV5MSQuP:Uws2ANnKXOaeOgmhtyn2B8d4V5NR

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
  • Server Software Component: Terminal Services DLL 1 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\b71062e192d1de0dcd1f30b114f4560163322944d280e0ac755b5478875d40bd.exe
    "C:\Users\Admin\AppData\Local\Temp\b71062e192d1de0dcd1f30b114f4560163322944d280e0ac755b5478875d40bd.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:3068
    • 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:1596
      • 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:2848
        • 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_b71062e192d1de0dcd1f30b114f4560163322944d280e0ac755b5478875d40bd.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b71062e192d1de0dcd1f30b114f4560163322944d280e0ac755b5478875d40bd.exe
      2⤵
      • Executes dropped EXE
      PID:2468
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2156
    • 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:2184
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259399928.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2960
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2676
      • 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:2092

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2.4MB

      MD5

      c2006470b6ab6e5e2a228d97b40f3400

      SHA1

      3df74d87467b7378afbfa045b7c38a8a51fdb20c

      SHA256

      d2dafd58305c2b12d1276be80005af0493a46ab75743ff23e89843bb23ef51b9

      SHA512

      d565754176d69db77544cbfe5f11914633e369c5ff7d89f52b2e89459de580e27fdc787523b6cc4a9ca89f291234ce0303f364558495ad15e0f3dcbec7d29fc2

    • \Users\Admin\AppData\Local\Temp\HD_b71062e192d1de0dcd1f30b114f4560163322944d280e0ac755b5478875d40bd.exe

      Filesize

      1.0MB

      MD5

      279588ae7a3e62b5ec8c0fdc07631436

      SHA1

      61a4f1c994bb46d8feb46e9a9c648328c9656eba

      SHA256

      78ea625bd0f2236975727d2f09799af953c0df1d4d6234ec768521a4c9e659b0

      SHA512

      9b45e16d4898e6e0e836edf5c41cc7eb4b60bbce59185a41b362e9243127c4585934706c6dcc1b37a99921e597a212a0ea8f691f090b8a3cb619826f4b45fe58

    • \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\259399928.txt

      Filesize

      899KB

      MD5

      6482a80775d13de54026b9ad32d580b2

      SHA1

      32f8e7662ad69c2c3f8d6c045eada9d2916ea42e

      SHA256

      b5d493b9de5c91f94f6fc0cb21331740865be9d9f4fca95a67c639cdc7efe031

      SHA512

      6ec0ef8f78192531b5ac7c56dc3f211005b3d6b4443edc2a842ffc368c5503ad5851b70271b11181f4a65e904dfc503697399a7382f1e22bae226345337e6bfb

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1596-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1596-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1596-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2092-41-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2092-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2092-49-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB