Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 18:07

General

  • Target

    759c05f70eaf58d4e197639d471a818a0d21b7d93e5908566f8d91d8b178a84e.exe

  • Size

    5.5MB

  • MD5

    b4ed9afdbc30a8240e82fb91acc93be5

  • SHA1

    e42da9e35683254b94ff38e6048c63630d3791a6

  • SHA256

    759c05f70eaf58d4e197639d471a818a0d21b7d93e5908566f8d91d8b178a84e

  • SHA512

    edde14382420c311120c43690264dca85611d5d7fe2ba74e0367cecd4b9ba3d5919fe8d34e3149d3d0dc4115815f54db34c81b7e787761d04e3fc6a96aa7dcd5

  • SSDEEP

    98304:Gws2ANnKXOaeOgmhawU6NLTHZv3fWju5+Dyl5:0KXbeO7bUsDZvR5+i

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 9 IoCs
  • UPX packed file 7 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 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 3 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\759c05f70eaf58d4e197639d471a818a0d21b7d93e5908566f8d91d8b178a84e.exe
    "C:\Users\Admin\AppData\Local\Temp\759c05f70eaf58d4e197639d471a818a0d21b7d93e5908566f8d91d8b178a84e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:852
    • 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:1648
    • 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:2084
      • 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:2348
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2508
    • C:\Users\Admin\AppData\Local\Temp\HD_759c05f70eaf58d4e197639d471a818a0d21b7d93e5908566f8d91d8b178a84e.exe
      C:\Users\Admin\AppData\Local\Temp\HD_759c05f70eaf58d4e197639d471a818a0d21b7d93e5908566f8d91d8b178a84e.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2588
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:2140
    • 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:1440
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259398524.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2996
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3060
      • 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:2668

    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

      1aba129c4c4950012222b0ac2c4807ce

      SHA1

      c454416590f28d017c60ee96aec626fab1e89b07

      SHA256

      cf436edbacfe95cf47072569f5740be4c90aaccfb49adeaf50b1ee52977f9991

      SHA512

      b835a42dde9e8c0c2276588506413b6c7a0f30d279f2a5fbeb2806cac4a9b2109d430568d0713ca0479bebc1cdd07e869e218763cc3abeb699726c4591e58ae4

    • \Users\Admin\AppData\Local\Temp\HD_759c05f70eaf58d4e197639d471a818a0d21b7d93e5908566f8d91d8b178a84e.exe

      Filesize

      3.2MB

      MD5

      ef42bc85576d1f3fc3d702a49f9610f2

      SHA1

      58b8e45b62c8aa0fafd6bf50ed2dd81dab8c073c

      SHA256

      68ebdbeb163ce76e17d09523c9e98718c13a26aae91e52d475fc1e2c3bedacb9

      SHA512

      3a982523ffece063ca6f452f2c660a6c8a6e2b9469430c68d5683407ed9f601912f3d2b8957e1b5e3d029102d912c78f51cf837c9d56a029fd8f6c1a108033d6

    • \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\259398524.txt

      Filesize

      899KB

      MD5

      77debe7b780b9b57594a71abcb293e4f

      SHA1

      077726f53cdbd5185db07eb76b3f43199779a0d7

      SHA256

      91b9db13a027d1df7b4614abe96a52e043545963136eb034fe9840dca3e59429

      SHA512

      9c9c6b4f343c86c4e2488d00834b43c89d08816fe98dca0923e08b667b7cc0c6ea0def5039a9a3a1311fdf875fa22b394c285e9922ca508f39924d29c117c9dc

    • \Windows\SysWOW64\Remote Data.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/852-47-0x0000000003430000-0x0000000003777000-memory.dmp

      Filesize

      3.3MB

    • memory/852-45-0x0000000003430000-0x0000000003777000-memory.dmp

      Filesize

      3.3MB

    • memory/2084-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2084-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2084-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2588-49-0x0000000000400000-0x0000000000747000-memory.dmp

      Filesize

      3.3MB

    • memory/2588-68-0x0000000000400000-0x0000000000747000-memory.dmp

      Filesize

      3.3MB

    • memory/2668-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2668-56-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2668-53-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB