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
    25-11-2024 05:47

General

  • Target

    c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe

  • Size

    3.5MB

  • MD5

    81104831920a8040c965067b4a69b4ec

  • SHA1

    128babc812b9b8d5f1d05b8b6bca74cc4d6ff497

  • SHA256

    c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a

  • SHA512

    d1fb4e2bb5593bab6ec40021dd15b99afff451084abca8073f901473af2b2f15e0a894537b57678109678c5a886ad08d567874937e93ca8732104ad45f43eb60

  • SSDEEP

    98304:0ZJt4HINy2LkHBgowREJBpNnKqq/woaBwihe:6iINy2LkrFbGihe

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 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.

  • Delays execution with timeout.exe 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
    "C:\Users\Admin\AppData\Local\Temp\c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.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:2400
      • 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\RVN.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2532
        • 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:2188
    • C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Users\Admin\AppData\Local\Temp\is-TQ83P.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-TQ83P.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp" /SL5="$90192,1454009,889344,C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2924
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C timeout /T 3 & "C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe" /VERYSILENT /SUPPRESSMSGBOXES
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1088
          • C:\Windows\SysWOW64\timeout.exe
            timeout /T 3
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:1068
          • C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe
            "C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe" /VERYSILENT /SUPPRESSMSGBOXES
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2584
            • C:\Users\Admin\AppData\Local\Temp\is-82DUF.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp
              "C:\Users\Admin\AppData\Local\Temp\is-82DUF.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp" /SL5="$A0196,1454009,889344,C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe" /VERYSILENT /SUPPRESSMSGBOXES
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of WriteProcessMemory
              PID:1884
              • C:\Windows\SysWOW64\regsvr32.exe
                "regsvr32.exe" /s /i:INSTALL C:\Users\Public\Documents\setup_maXwjj.dll
                7⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:2144
                • C:\Windows\system32\regsvr32.exe
                  /s /i:INSTALL C:\Users\Public\Documents\setup_maXwjj.dll
                  8⤵
                  • Loads dropped DLL
                  PID:1124
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.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:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1.2MB

    MD5

    7719c59fa5a3ddb7a8e5e467d2949fc9

    SHA1

    e8aa94a71d80a2d311c18429b2cdb26ea715d683

    SHA256

    d8503cab116c0a1c57b7c654f9ff678a8417117605815a64cd1c238047da04af

    SHA512

    b8c8dce1099d2577e7601c0071c2f6589c51b7eeabc140d12eb5a3d95bb70e0fc55d6d653bdecf72ddfbd1152a24e283b11a02a5ffa37aa413f06fff7e5f271e

  • C:\Users\Admin\AppData\Local\Temp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.exe

    Filesize

    2.4MB

    MD5

    af5d8ca724f31de78b6977292b593d7a

    SHA1

    19719cfcb8af315f32f7f2a13ee5ca431622d2d4

    SHA256

    a60be0e5ca14e9fcbf2cd32ea273b35d16bd8ea6690926c9bf910205bfc7ac25

    SHA512

    635619646de38e89337192f5d24f5c07afdb1db40ed854f6703e88cae5a7f1b94b5f3e0cde9c770c9806468f3a106fe85b3b54303fe584746bf6f173e876494a

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

    Filesize

    377KB

    MD5

    80ade1893dec9cab7f2e63538a464fcc

    SHA1

    c06614da33a65eddb506db00a124a3fc3f5be02e

    SHA256

    57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

    SHA512

    fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

  • C:\Users\Admin\AppData\Local\Temp\is-TQ83P.tmp\HD_c283da8e95238c63db7c1f0bb1babadaaf3c5e11a0e0154c85b637d75b0b208a.tmp

    Filesize

    3.2MB

    MD5

    b99f37670dd60e4c6b249e30015d0001

    SHA1

    4ff0aeb2979c1113af7e3381c233bc5cdfa83a3d

    SHA256

    aaba401d258e476b7c6d96cd7f0db6cd6ba3233a68b8d4ae7058ff0ed29fafbf

    SHA512

    30a247b0ff51498a206545dcf5e807128670aaccf20325ea739b161f0bf0fa3de226e96622ac8d03a7f73316bfaf15e8f77e366c20292b62e18fb923b0a6788c

  • C:\Users\Public\Documents\setup_maXwjj.dll

    Filesize

    1.5MB

    MD5

    04b5342a85dc21f0c828ef0769f557ab

    SHA1

    fca0dbea62b62c18a01f6f4d1ad3c29ed8eb38c9

    SHA256

    57e888c2f5fcd9e0d389562911899fad6afa8dbeae70bf7111a1bb7bc73cdfe2

    SHA512

    c65a673ed321ec5d42a038840e1756f8e34bd509651b65c1f749a0b8e823fae90e430ad15724d1141ccb42bb17c71a1169b688aa1bb22dc613d3793878145ded

  • memory/1148-39-0x0000000000F60000-0x0000000001047000-memory.dmp

    Filesize

    924KB

  • memory/1148-105-0x0000000000F60000-0x0000000001047000-memory.dmp

    Filesize

    924KB

  • memory/1884-99-0x0000000000090000-0x00000000003D6000-memory.dmp

    Filesize

    3.3MB

  • memory/2384-29-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2384-18-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2400-6-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2400-9-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2400-8-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2400-7-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2508-38-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2508-34-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2508-28-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2508-81-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2584-84-0x0000000000F60000-0x0000000001047000-memory.dmp

    Filesize

    924KB

  • memory/2584-100-0x0000000000F60000-0x0000000001047000-memory.dmp

    Filesize

    924KB

  • memory/2924-103-0x0000000000850000-0x0000000000B96000-memory.dmp

    Filesize

    3.3MB