Analysis

  • max time kernel
    158s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 03:32

General

  • Target

    4ba9a9133dfee5e343c4a2f503be3de09a01f7206676085e77df545b961c38f4.exe

  • Size

    2.4MB

  • MD5

    1bec3b3d89a803586f570d43e784b326

  • SHA1

    7180dd4e5ace16d1e610058a714e68c44c43046c

  • SHA256

    4ba9a9133dfee5e343c4a2f503be3de09a01f7206676085e77df545b961c38f4

  • SHA512

    091503b186a4bbecaccc5d353d2cc7ef9a8208f9bc03f76b9692630ca184181dc500f34f033c32a4f9deb9a01e9c6db6fdee148e47df2863ade9c221de6299f1

  • SSDEEP

    24576:qCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH5:qCwsbCANnKXferL7Vwe/Gg0P+WhFot

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 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.

  • 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 5 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 10 IoCs

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

  • 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).

  • 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\4ba9a9133dfee5e343c4a2f503be3de09a01f7206676085e77df545b961c38f4.exe
    "C:\Users\Admin\AppData\Local\Temp\4ba9a9133dfee5e343c4a2f503be3de09a01f7206676085e77df545b961c38f4.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2960
    • 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:1864
    • 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:2728
      • 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:2704
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2388
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:5092
    • 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:2436
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240653406.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4664
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4780
      • 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:3076
    • 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 --mojo-platform-channel-handle=3808 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2724

      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

      Discovery

      System Information Discovery

      1
      T1082

      Remote System Discovery

      1
      T1018

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        2.4MB

        MD5

        1bec3b3d89a803586f570d43e784b326

        SHA1

        7180dd4e5ace16d1e610058a714e68c44c43046c

        SHA256

        4ba9a9133dfee5e343c4a2f503be3de09a01f7206676085e77df545b961c38f4

        SHA512

        091503b186a4bbecaccc5d353d2cc7ef9a8208f9bc03f76b9692630ca184181dc500f34f033c32a4f9deb9a01e9c6db6fdee148e47df2863ade9c221de6299f1

      • 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\RCXCD21.tmp
        Filesize

        2.5MB

        MD5

        eab305f28eff24e81866b5572b0ecbc2

        SHA1

        1e4f65107d6e74ec92a351499b1d3d16907ad3bc

        SHA256

        e2d95266aa5e6971987d5a0f40100766b52c81b1e9be36aa4b96cfef16c5442d

        SHA512

        94e7ed6466de159daccab4d5ca6ee658cbd6031db67d1c30f4aee47104afed928f44fc07bf7116c233bb6e89a42b859e609df6a99611730d70080f36fbe6c060

      • C:\Users\Admin\AppData\Local\Temp\X.ico
        Filesize

        69KB

        MD5

        e33fb6d686b1a8b171349572c5a33f67

        SHA1

        29f24fe536adf799b69b63c83efadc1bce457a54

        SHA256

        020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

        SHA512

        cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

      • C:\Windows\SysWOW64\240653406.txt
        Filesize

        899KB

        MD5

        1798c967d2adfd64732775fe389b56e9

        SHA1

        472b9b0023d9bfb1ab741fe07357a8bfe3cb0dab

        SHA256

        b2d743540837aa614a6f8d7fcb888ac8ff46402f8dac78877632f1f42a02f23a

        SHA512

        07d10d89f7e37ae47196dc5b19c308e665ea1ba9341ca88badfdd86a8fa766f9204dff6dfe10bdd7dda87be0097e1cd4b5bbe372d2403eae9a942a3ecc9d5cf3

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

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/2728-12-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2728-16-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2728-15-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2728-14-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3076-41-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3076-39-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3076-36-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4780-28-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4780-29-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4780-26-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB