Resubmissions

23-05-2024 18:26

240523-w3nh9sbg96 10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 18:26

General

  • Target

    d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca.exe

  • Size

    7.2MB

  • MD5

    880814a8c2304729007fa0a008587dc5

  • SHA1

    1adc9fc4d58e6271f1db89187e3918bd36147887

  • SHA256

    d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca

  • SHA512

    500dfa0d04dee632f0f6733f244e52126c5ff671c459d9705cb9507acbdaa262fbc474d72dc6459d0ce254662e8c2ca7d7afb68ca60a938a1352a9e2252e158e

  • SSDEEP

    98304:9ws2ANnKXOaeOgmhM3nsmtk2aTigPzUYm9uALfprsQunQf7UORs:nKXbeO7QLKsuAdty

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.

  • PurpleFox

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

  • Drops file in Drivers directory 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca.exe
    "C:\Users\Admin\AppData\Local\Temp\d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:932
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2988
    • 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:4772
      • 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:2204
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3312
    • C:\Users\Admin\AppData\Local\Temp\HD_d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Users\Admin\AppData\Local\Temp\._cache_HD_d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_HD_d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1540
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:3936
        • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
          "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4112
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3028
    • 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:3500
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240601062.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3496
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2036
      • 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:1920

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    3
    T1547

    Registry Run Keys / Startup Folder

    3
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    3
    T1547

    Registry Run Keys / Startup Folder

    3
    T1547.001

    Defense Evasion

    Modify Registry

    3
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\._cache_HD_d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca.exe
      Filesize

      4.0MB

      MD5

      96113d3800f5cea8e3a72c8bc7d3654b

      SHA1

      3da1635bd56696823613550c1d10d7da0f3be98b

      SHA256

      b144ccd363e6968c615a3cea7933576cf43f84805f240d0795b4ea8a8560fe03

      SHA512

      009ee98e9df8031d7abda144c0eb56dec89f042b40d9ec7a81672e045fdf92097ee79af024f090716a1328af540edd89e670c4a98728d4afd323cce4aaffe4ea

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

      2.4MB

      MD5

      2141968d005daf36443149f1763ce4f2

      SHA1

      0faa7199e05ddd06c1f1e2c3bad8f70fac7eec9a

      SHA256

      79787aa1625449ae9c27027d04ae249b9a80515f10ba9c18183f729252fa062f

      SHA512

      fb18dcf00cf8455ba1841a508342a977a1963bbc8511b4dc593c45d35ced4c9347f761c7e1c864775942093a25df1eab7d5fd0716a96a866f283f36fa3d7feee

    • C:\Users\Admin\AppData\Local\Temp\HD_d34b300dea4cb02902be18e5ffac2d219948671c06052ae1b8b4e3301c255dca.exe
      Filesize

      4.7MB

      MD5

      dbb91b7a30bb67cefad505fd0ac7daab

      SHA1

      cf47b812e6f4eb028a2fd5ed06cd4fddcd01f518

      SHA256

      d814e3a71b711a6b598d1fb95c005d15b8a016f748d17a621b404fe0f681b419

      SHA512

      1d36e9f24e1d0b2903276e859dfa87c179d6450e7345d3a6e35786e3a319a6676d7e85b7db012c1630b025702689ad7237b237481fc761532c51a87c3ff88300

    • 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:\Users\Admin\Desktop\RedoFormat.exe
      Filesize

      4.7MB

      MD5

      e8172e9fa12ed08543eb37b8eb4ace65

      SHA1

      593e2a8e710e1b49dc4964c5eb2fc88d275864f5

      SHA256

      7973434c1f959cd656ef96f21658d99cf514ece26a78f08569baf48647d59778

      SHA512

      c12f853fedd165a6595b4fcf5ad038ca1e60d746e2edef789203d768cd586f2d8c6eeafa10993be074c79916d7bd13f8103de01bde7f74d2457a09a116821bad

    • C:\Users\Admin\Desktop\RedoFormat.exe
      Filesize

      4.7MB

      MD5

      1fa59d3c1b14866e800acf243cce86e6

      SHA1

      dbfd543e17d2aa819f77a8569006da49dc3d757c

      SHA256

      053cb87b47dfda8e2a6023100b15640e77eb219d2d2ce59a15886d5aa10ef30f

      SHA512

      febe48dc43fec73d5e2cf7ab3aafbac02eab34721f97740818aed4b310cb5e1bd81cfde88ee15cce906173962ffc2ae52f0a72ab398f4e3dc52e6d40a38c3e44

    • C:\Users\Admin\Desktop\RedoFormat.exe
      Filesize

      7.2MB

      MD5

      ef6f6ded2ed8b0ff560bf5a66251c87c

      SHA1

      0c8bf7c15ac0345e2c20bfe15f943d673281b991

      SHA256

      fe9189ee67c6c42a4c5b2649eec2b82e0cbacf9fcc6ec3a38d4e666547696d80

      SHA512

      6aa54cae77eff4ce00053608ff470ba52dbbd91b3f89bfe594a0ab656be9f6e89fc82e8ad6135bc8db33f28e17dc4b4d4aba6b2ed0031ae378a0d96ca30dd989

    • C:\Windows\SysWOW64\240601062.txt
      Filesize

      899KB

      MD5

      6cc80a12bf9124b56cc438213418ec6a

      SHA1

      ae8a03c8c6f9c8d8b33125e83173ed26986f0875

      SHA256

      893b36725c361e48e5de42d0eabda0fe18a40585b3265def3a0c2b107e460cc7

      SHA512

      74632d8b39fbb3601080acd9d6eb5bd74883ce40c0ad7e0b2a308b1d560f35dbd443dafaf4b31516503b44e63447122baaafea1607358a670c40bc03bfc1d910

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

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/1920-45-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1920-41-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2036-28-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2036-29-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2036-26-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2728-159-0x0000000000400000-0x00000000008C3000-memory.dmp
      Filesize

      4.8MB

    • memory/3936-237-0x0000000000400000-0x00000000008C3000-memory.dmp
      Filesize

      4.8MB

    • memory/3936-267-0x0000000000400000-0x00000000008C3000-memory.dmp
      Filesize

      4.8MB

    • memory/3936-248-0x0000000000400000-0x00000000008C3000-memory.dmp
      Filesize

      4.8MB

    • memory/3936-223-0x0000000000400000-0x00000000008C3000-memory.dmp
      Filesize

      4.8MB

    • memory/4772-20-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4772-17-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4772-21-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/4772-19-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB