Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 12:51

General

  • Target

    977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe

  • Size

    2.6MB

  • MD5

    9dc67d0835d54a4d02343157ccef6ad9

  • SHA1

    ad6b5bd80d2eb52335fee24718b1e3c73e5a3e72

  • SHA256

    977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d

  • SHA512

    58c4ef8f8be1460386a6a5bf4f02133b5e4ae56940908cea99d6e027d2a0c7f25407119332124ce22d4303aa6495e0f5872d8884b74010740df45a8f5f8a8f19

  • SSDEEP

    24576:bCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHf:bCwsbCANnKXferL7Vwe/Gg0P+WhViD

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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 6 IoCs
  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 9 IoCs

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

  • 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: 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\977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
    "C:\Users\Admin\AppData\Local\Temp\977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2612
    • 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:1628
    • 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:2736
      • 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:2752
        • 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:2648
    • C:\Users\Admin\AppData\Local\Temp\HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
      C:\Users\Admin\AppData\Local\Temp\HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe
      2⤵
      • Executes dropped EXE
      PID:2864
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1796
    • 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:2388
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259434405.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2244
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2900
      • 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:2852

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_977716c5d6db75f4da7992afa902225159a65065db37b6a9f6d8607fe8d1eb8d.exe

      Filesize

      9KB

      MD5

      3613d8d83b78ce3561680a447eb6a24a

      SHA1

      995eb0e883c7adebcfadd29100d810cb7f882bcd

      SHA256

      8fdff52a7430dba14fb97239c7fe414710991f16da269374e0936a1385f3a318

      SHA512

      92161e7bc71f686c5fb0fa1bb78965e5bddff15d35ca8df9ae3fe2cdc0934b7cb5e1d47b6a5237df04d6d448cdeb2b6b74fba60e28cb55cd3d9e29cfc00cac40

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

      Filesize

      2.5MB

      MD5

      c4b5fdf92ad5b5e7d8d8df0648cb8044

      SHA1

      54189d8c5cba249b57fd6a63e35f8d04675478f4

      SHA256

      03ae5aaef1dc79c45eedd14698e221533735d829bf172cbd1049219e60e1ff0c

      SHA512

      5ff11d8e2c83f5176499815b04f2ca2164cdd4933a5e359f97f10b0ac3899b59cab642a72a26a12c8eeba89d398651a550d79e0d5ca9928de00b240a0d85b84e

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • \Windows\SysWOW64\259434405.txt

      Filesize

      899KB

      MD5

      92653689b8e26e4c9cb773ec95a6c840

      SHA1

      9508b8c90eb1859f5d4df8d4089206790a90bef2

      SHA256

      619d53919dfc8e35dcbf93390c35f2eb6540cd8d5a37c371fda6251248c00469

      SHA512

      6c3426f0383bc5ffdd5823656b5ec6872a88d31e14ca59989ec5621e64cf119197a6ac609d8577ec5b406e3dda4adbd57948e0e687cf82dd13e9611e6dfdcb7f

    • memory/2736-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2736-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2736-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2852-42-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2852-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2852-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2852-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2852-47-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2852-49-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB