Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 17:33

General

  • Target

    f17ddcd71a70ffbd58debea2f642d87a58a3b8f8bc529ddf7a725db1ec102124.exe

  • Size

    1.1MB

  • MD5

    62c7f27e9d202754c555e13f0815cce1

  • SHA1

    437a94ba4ecee98c02b170417d62f9a48661340e

  • SHA256

    f17ddcd71a70ffbd58debea2f642d87a58a3b8f8bc529ddf7a725db1ec102124

  • SHA512

    b47b10d0a00eb7f38553401d8d932b5d65afd9045052b6e216cb1fe70cd752cb44244fe4be4b072388199468d448abcf4f8f42e8aa4481eff63fb75547b19647

  • SSDEEP

    24576:f09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+ewper:f09XJt4HIN2H2tFvduySnper

Malware Config

Signatures

  • Detect PurpleFox Rootkit 12 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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 service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 14 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 5 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f17ddcd71a70ffbd58debea2f642d87a58a3b8f8bc529ddf7a725db1ec102124.exe
    "C:\Users\Admin\AppData\Local\Temp\f17ddcd71a70ffbd58debea2f642d87a58a3b8f8bc529ddf7a725db1ec102124.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3220
    • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1868
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:5032
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3156
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1192
    • 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:2612
  • 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=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2416

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.1MB

      MD5

      62c7f27e9d202754c555e13f0815cce1

      SHA1

      437a94ba4ecee98c02b170417d62f9a48661340e

      SHA256

      f17ddcd71a70ffbd58debea2f642d87a58a3b8f8bc529ddf7a725db1ec102124

      SHA512

      b47b10d0a00eb7f38553401d8d932b5d65afd9045052b6e216cb1fe70cd752cb44244fe4be4b072388199468d448abcf4f8f42e8aa4481eff63fb75547b19647

    • C:\Users\Admin\AppData\Local\Temp\RCXA46E.tmp

      Filesize

      1.1MB

      MD5

      4ecb5d68feb0e31dfcc4054e291ac245

      SHA1

      4fdf90191a0f98fd1143d37c8b4b2eda9472ddab

      SHA256

      5dbd56a746f70128bc6b202f2150de18dda9c94d31bf7fb1b25dcd0d5a0c18e1

      SHA512

      3b3cd1fc1c9ca2a3c42f2802db33c55de08a4ca01aea82188d42448af22c41450b5684b5236f9fa1d5420209c0dc0c57ec9dc5f90a623bc01a91855178aa1d3c

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

      Filesize

      377KB

      MD5

      80ade1893dec9cab7f2e63538a464fcc

      SHA1

      c06614da33a65eddb506db00a124a3fc3f5be02e

      SHA256

      57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd

      SHA512

      fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4

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

      Filesize

      69KB

      MD5

      e33fb6d686b1a8b171349572c5a33f67

      SHA1

      29f24fe536adf799b69b63c83efadc1bce457a54

      SHA256

      020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

      SHA512

      cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

    • memory/1192-21-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1192-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1192-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1192-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1192-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1868-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1868-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1868-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1868-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1868-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2612-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2612-30-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2612-27-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2612-34-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB