Analysis

  • max time kernel
    150s
  • max time network
    129s
  • 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 10:15

General

  • Target

    f3674bd4d06d3896ad609c73acd42b7ab9b64a86ce6054c10d81acfe8966606f.exe

  • Size

    1.7MB

  • MD5

    36d6e7690dc3cc2f0c3907f3adc9af62

  • SHA1

    c0c6b1b325d28f47f4fe83e8fc0a34baee5feb2d

  • SHA256

    f3674bd4d06d3896ad609c73acd42b7ab9b64a86ce6054c10d81acfe8966606f

  • SHA512

    18fffc225437bc4bdc33e234902aa062a1aab700c84ef0ccd77ad6ee84580ddcac8b86d273105837b876077f30f5fb7625d02d98306413edc575e4f5c6ddb5e4

  • SSDEEP

    24576:r09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+omfQ0J:r09XJt4HIN2H2tFvduySSd0J

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 3 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: 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\f3674bd4d06d3896ad609c73acd42b7ab9b64a86ce6054c10d81acfe8966606f.exe
    "C:\Users\Admin\AppData\Local\Temp\f3674bd4d06d3896ad609c73acd42b7ab9b64a86ce6054c10d81acfe8966606f.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4448
    • 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:2904
      • 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:2380
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3496
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3284
    • 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:3940
  • 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=1392,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=996 /prefetch:8
    1⤵
      PID:464

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.7MB

      MD5

      36d6e7690dc3cc2f0c3907f3adc9af62

      SHA1

      c0c6b1b325d28f47f4fe83e8fc0a34baee5feb2d

      SHA256

      f3674bd4d06d3896ad609c73acd42b7ab9b64a86ce6054c10d81acfe8966606f

      SHA512

      18fffc225437bc4bdc33e234902aa062a1aab700c84ef0ccd77ad6ee84580ddcac8b86d273105837b876077f30f5fb7625d02d98306413edc575e4f5c6ddb5e4

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

      Filesize

      1.4MB

      MD5

      671bd6671cb7601ad8854cd0aaa614be

      SHA1

      179dc3a7dfebb0a79bda784b3a7dbda500a62265

      SHA256

      819a20d2f1a20679bd685006b6b8a867ff4f6a135558c23780c5ac0842d7836c

      SHA512

      d028d3284305d8fbb03d2d126c5945d42fa0aea53b1e6616108cf5a21798bd7bef867963c7cedfc2c47927c9fae6c900bcbc3cc960dcd839762f02355289680a

    • 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/2904-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2904-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2904-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2904-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3284-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3284-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3284-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3284-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3284-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3940-34-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3940-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

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

      Filesize

      1.7MB

    • memory/3940-57-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB