Resubmissions

21-12-2024 21:01

241221-zvbraazmcp 10

21-12-2024 20:27

241221-y8sfhsyqdn 10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-12-2024 21:01

General

  • Target

    fa63aafc4ea58ef2db26e63b4c1c1d0dc22dbdcfa9e3875d707a3756ee19b38d.exe

  • Size

    2.3MB

  • MD5

    1f081a97669ad7a721fb191d7aba851a

  • SHA1

    20609bf079cc343a311f4979e4abfd1585d5fc1e

  • SHA256

    fa63aafc4ea58ef2db26e63b4c1c1d0dc22dbdcfa9e3875d707a3756ee19b38d

  • SHA512

    31e39a66bd26a1794dc90625db760bd82367e0c8afe9f0bc3d2a3fed4a373d469a5a78a6d7abbe184e1d92f4644e9903406bca769be94a51d6953b74e65fd808

  • SSDEEP

    24576:2CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHU:2CwsbCANnKXferL7Vwe/Gg0P+WhYpo

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 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.

  • Gh0strat family
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • 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 5 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa63aafc4ea58ef2db26e63b4c1c1d0dc22dbdcfa9e3875d707a3756ee19b38d.exe
    "C:\Users\Admin\AppData\Local\Temp\fa63aafc4ea58ef2db26e63b4c1c1d0dc22dbdcfa9e3875d707a3756ee19b38d.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2512
    • 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
      • System Location Discovery: System Language Discovery
      PID:1612
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4392
      • 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⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4764
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:724
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3652
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3748
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240610906.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2012
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2384
      • 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:3420

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2.3MB

      MD5

      1f081a97669ad7a721fb191d7aba851a

      SHA1

      20609bf079cc343a311f4979e4abfd1585d5fc1e

      SHA256

      fa63aafc4ea58ef2db26e63b4c1c1d0dc22dbdcfa9e3875d707a3756ee19b38d

      SHA512

      31e39a66bd26a1794dc90625db760bd82367e0c8afe9f0bc3d2a3fed4a373d469a5a78a6d7abbe184e1d92f4644e9903406bca769be94a51d6953b74e65fd808

    • 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\240610906.txt

      Filesize

      899KB

      MD5

      993de92f89f06b2255c9c2dcb7b2811c

      SHA1

      35d17008e5193441c6fc8a23f1f2d4d71167fe1e

      SHA256

      ad0d5cc417229bf6afec0cb1fe63efed3f035648ee4cf9bf5ac4492fc2d6f48a

      SHA512

      5dd479d19106f83e49b68c431012e5ca2b93982beb21d6f48757b4da5c4a6bb1db4791abeb2cc748f47bc3222127a15c3bf6bf00aa342c82df8204c009897d63

    • C:\Windows\SysWOW64\Remote Data.exe

      Filesize

      40KB

      MD5

      22bb5bd901d8b25ac5b41edbb7d5053e

      SHA1

      8a935dd8d7e104fc553ff7e8b54a404f7b079334

      SHA256

      8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e

      SHA512

      cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7

    • memory/2384-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2384-27-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2384-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3420-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3420-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3420-33-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3420-47-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3420-50-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3420-51-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4392-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4392-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4392-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB