Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 19:53

General

  • Target

    8f69b50c068ba8c241438d853ee4aabd0e57900d9f84b92ceb3b8066c35b74e3.exe

  • Size

    7.0MB

  • MD5

    c820f33f16c617ad9c5d4bad22e8ef73

  • SHA1

    70e994ba806cae3642540f2e8dfcda96247c074f

  • SHA256

    8f69b50c068ba8c241438d853ee4aabd0e57900d9f84b92ceb3b8066c35b74e3

  • SHA512

    1a3d6dac6afc59ba84f84875f47ab07ac7367f851adfd6baddb6a76b7dc305782110a38a901932923e4a375f9524238d9ab326ea1529bfe0ab4546bc6f55a35d

  • SSDEEP

    98304:ews2ANnKXOaeOgmhwUBUqoDwkYRzddiHP6nIFriWp86fv0o8j49Z5/xP:MKXbeO7bU2kQBdiHPtRT8o8sb59

Malware Config

Signatures

  • Detect PurpleFox Rootkit 6 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 7 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
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f69b50c068ba8c241438d853ee4aabd0e57900d9f84b92ceb3b8066c35b74e3.exe
    "C:\Users\Admin\AppData\Local\Temp\8f69b50c068ba8c241438d853ee4aabd0e57900d9f84b92ceb3b8066c35b74e3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3212
    • 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:2708
    • 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:4516
      • 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:4836
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3996
    • C:\Users\Admin\AppData\Local\Temp\HD_8f69b50c068ba8c241438d853ee4aabd0e57900d9f84b92ceb3b8066c35b74e3.exe
      C:\Users\Admin\AppData\Local\Temp\HD_8f69b50c068ba8c241438d853ee4aabd0e57900d9f84b92ceb3b8066c35b74e3.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Program Files\Java\jdk-1.8\bin\javaw.exe
        "C:\Program Files\Java\jdk-1.8\bin\javaw.exe" -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=15 -jar "HD_8f69b50c068ba8c241438d853ee4aabd0e57900d9f84b92ceb3b8066c35b74e3.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4176
        • C:\Windows\system32\icacls.exe
          C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
          4⤵
          • Modifies file permissions
          PID:800
        • C:\Windows\SYSTEM32\cmd.exe
          cmd ver
          4⤵
            PID:4472
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
        PID:2160
      • 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:3396
        • C:\Windows\SysWOW64\Remote Data.exe
          "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240648062.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1144
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -auto
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3940
        • 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:4536
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3804,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4000 /prefetch:8
        1⤵
          PID:4812

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Persistence

        Boot or Logon Autostart Execution

        2
        T1547

        Registry Run Keys / Startup Folder

        2
        T1547.001

        Privilege Escalation

        Boot or Logon Autostart Execution

        2
        T1547

        Registry Run Keys / Startup Folder

        2
        T1547.001

        Defense Evasion

        Modify Registry

        2
        T1112

        File and Directory Permissions Modification

        1
        T1222

        Discovery

        Remote System Discovery

        1
        T1018

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\Oracle\Java\.oracle_jre_usage\905ebba3a8fc8cc.timestamp
          Filesize

          50B

          MD5

          5926b2b7743ad455561baa65da4597c7

          SHA1

          3ccf9a7daa8b8355023fc262e6b76bde9ed99e46

          SHA256

          fed5824e54f05315193f73a704395134ea7e8713a13eb14ce56ceec069e70905

          SHA512

          6b14749459d95bcb67657b7d024b8f04662cadc04520efa199f6ea80416c2426981e4bd06f85be4c85677cb909c3b7b5468490cf4aeae12742d680a1da8053c8

        • C:\Users\Admin\AppData\Local\Temp\HD_8f69b50c068ba8c241438d853ee4aabd0e57900d9f84b92ceb3b8066c35b74e3.exe
          Filesize

          4.4MB

          MD5

          c40aebee2bf4002f042241a4625176d4

          SHA1

          3bfb5be63e2438788e431440865cb0dc42f34ef7

          SHA256

          8e4f917471e96a7f28802a0e816d000aa7156a040a066887672207ca9cb6474e

          SHA512

          6fabce39177305db58cc95bd7ffac3bf4348c738c158e0c420e1d9bef7020ec81512ddf1d4accceb324bd0127b7d611ae316b418340db465b4ca925c90eaaa3f

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

          2.5MB

          MD5

          396d7d0de1669ec544df36d0a9f103b9

          SHA1

          986b013e4b9d3f8acf9735b25da8b87250e8bfea

          SHA256

          aaa861067bd5e0d3e2f1041dc4dfba9ff58f48a7cb0b1b255425be9dd7ed39ff

          SHA512

          3181b3a523b017182a7010fef16650bb95755f4ca9ca8069bbd8b6a60957eac19513d88cef3272d1495a922990d7d994c248a1f6f8985097ac7b8382fca85124

        • 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\AppData\Local\Temp\hmcl.json
          Filesize

          817B

          MD5

          d4084216850a615b37ebd35eb2b8d155

          SHA1

          fdb87602b59bfa2ccd5617d0ae8d4a57ffe560eb

          SHA256

          82fdcc3b988db5a376701810b0ba203185d4624b1b647fbae44479ca1b57f6df

          SHA512

          6bf57587dc647a0ac2703020517aa7c86152384600bb1bef0d2ce138b88987dcf3e026768bc310883d05b9a375678630ab48f2379ea645eaf2ac72d17cf93853

        • C:\Users\Admin\AppData\Local\Temp\hmcl.json
          Filesize

          824B

          MD5

          c458dfec4fef766b6879ff1ad3e0c340

          SHA1

          3aec48fc6b28ce16460a443acc855b643fc76d35

          SHA256

          b37784c2082b7adb63a2beab81f842fd5c016706663234b179d1f5c9a4623032

          SHA512

          54334b08df55df78cd84cf43f0c14b999822c9489cf8a591327cb48cf0a911194ce80567bd663e117c9a667aac606a12771182105c4560573ec1d45054eaa6da

        • C:\Users\Admin\AppData\Roaming\.hmcl\authlib-injector.jar
          Filesize

          333KB

          MD5

          c60d3899b711537e10be33c680ebd8ae

          SHA1

          1eca6aa7faf7ac6e3211862afa6e43fe2eedd07b

          SHA256

          3bc9ebdc583b36abd2a65b626c4b9f35f21177fbf42a851606eaaea3fd42ee0f

          SHA512

          5b0634bdd4193e9d5423b4e0490b980132081df0a845d3832031c8be637d93616aee82bbaeb427fb6f617aeeb381e7246ee5e83a79bde071ef0b02a81cb91289

        • C:\Windows\SysWOW64\240648062.txt
          Filesize

          899KB

          MD5

          2015a66fd28c3c4eb3b1d7b1cc487b00

          SHA1

          682eb464c01bb88619695b428cb607297fdea280

          SHA256

          bf2212201c48446e7605531f4e1a17efa424656ae86651f178ce0113ad339bad

          SHA512

          f04dd5fe016d09d6b205363e79b4068001c4f9042170b854f838ee4aa8c379b943cfa47271d07744a053a4ee916367e04e8b992bc37304dfc961ba1bf2ad65d0

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

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

        • memory/3940-27-0x0000000010000000-0x00000000101B6000-memory.dmp
          Filesize

          1.7MB

        • memory/3940-25-0x0000000010000000-0x00000000101B6000-memory.dmp
          Filesize

          1.7MB

        • memory/3940-28-0x0000000010000000-0x00000000101B6000-memory.dmp
          Filesize

          1.7MB

        • memory/4176-203-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-181-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-66-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-97-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-98-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-57-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-128-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-136-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-138-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-140-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-236-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-59-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-188-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-190-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-223-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-222-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-220-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4176-221-0x000001DB33A20000-0x000001DB33A21000-memory.dmp
          Filesize

          4KB

        • memory/4516-20-0x0000000010000000-0x00000000101B6000-memory.dmp
          Filesize

          1.7MB

        • memory/4516-19-0x0000000010000000-0x00000000101B6000-memory.dmp
          Filesize

          1.7MB

        • memory/4516-16-0x0000000010000000-0x00000000101B6000-memory.dmp
          Filesize

          1.7MB

        • memory/4536-39-0x0000000010000000-0x00000000101B6000-memory.dmp
          Filesize

          1.7MB

        • memory/4536-44-0x0000000010000000-0x00000000101B6000-memory.dmp
          Filesize

          1.7MB