Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 09:07

General

  • Target

    b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

  • Size

    3.6MB

  • MD5

    416ff66c1dc67324b25190d1fa3159f6

  • SHA1

    cfba24c89e3b072ef8a8648f5a3aeff6a17a47c1

  • SHA256

    b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3

  • SHA512

    34dd8e4971550a045de8cbcba4ade580d618b9f65030e602f67ba8177c275503e60d6fee01593c35bf307f4f43203e6abc59c8f78551502c1f6f816aaadbd8ab

  • SSDEEP

    49152:t09XJt4HIN2H2tFvduySMgWW1Dmn2X5+0vY3u6c20LAonnHeJ9EWWB:OZJt4HINy2LkQW1Dmn2Xk0vjAoHe9WB

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 4 IoCs
  • UPX packed file 13 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: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
    "C:\Users\Admin\AppData\Local\Temp\b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4336
    • 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:2676
      • 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:2524
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3164
    • C:\Users\Admin\AppData\Local\Temp\HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe
      2⤵
      • Executes dropped EXE
      PID:1580
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2600
    • 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:2124
  • 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=4088,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=1276 /prefetch:8
    1⤵
      PID:5060

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.5MB

      MD5

      2138e35c80242050be3fb7110c0ebce7

      SHA1

      c5993393cdc58b2da20039503c7e048b50e066ae

      SHA256

      e4960ce1c3c7d1b948b684e607e1b4cd3665d8920702bbcd6f1c175adef3001c

      SHA512

      1f414fb624f14881513a7a2659d04d127ad01876f16fd82d73e9de7457204be72a03ad9c025dd5709aec561975b03991eb03357d436c7aa2c2b2b2655301a75c

    • C:\Users\Admin\AppData\Local\Temp\HD_b759eda4a2f54df366c57b2e7334474bacc7f74ceceea1dfa6438e40d80efdf3.exe

      Filesize

      2.1MB

      MD5

      9bcea9023e06d18fec2f77abff9bcd23

      SHA1

      2e9937861dc8c9de4715ba9afd787c6a2e662ab3

      SHA256

      9d81011233bbe5e668ed2d55e4e4d0b8f5ad7aafa23c88ce5757f3c9585f79f2

      SHA512

      6c05950f6fb4be87d5b07e30d30760583881ef1d2888ef97d00696b961b14ec80c421cdf26ebbd9e45d6a95f7e91c37714bd8168f257f8808a3f716ed61a15ae

    • C:\Users\Admin\AppData\Local\Temp\RCX9A2D.tmp

      Filesize

      1.5MB

      MD5

      c04cb7a39899137aa149ae8ac7c615e9

      SHA1

      99bf76ef53e6cd9d42edc7513d001e195e23e477

      SHA256

      7656312ace7936c96eee451a0f142eca1651711f2dd5276bd5a0a12696dee38f

      SHA512

      8551a76cced20658bbe4a932522de7b19e2e0feb7c62011d851ade208759bf4470d58b5ad5dc66029fba96d3e32be84573504b0fc8cedc37b8f9e4cf58060533

    • 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/1580-95-0x00007FF7E81B0000-0x00007FF7E8483000-memory.dmp

      Filesize

      2.8MB

    • memory/1580-32-0x00007FF7E81B0000-0x00007FF7E8483000-memory.dmp

      Filesize

      2.8MB

    • memory/2124-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2124-36-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2124-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2124-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2676-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2676-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2676-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2676-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB