Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 11:42

General

  • Target

    a35b9d5123335a57d2995ad24900396cdbbd1859215a03fa2324b980e8eca96cN.exe

  • Size

    2.5MB

  • MD5

    a65507e62ae699fa9a942ead9a4ae9f0

  • SHA1

    c4f52a0481b9b64bfce933f4343d26a9a84db33f

  • SHA256

    a35b9d5123335a57d2995ad24900396cdbbd1859215a03fa2324b980e8eca96c

  • SHA512

    32547172a7adb29cd3a5cf2403ad7cbbe0216eb358c1f67b4e90fcb98fbdc35b9f6a2845d9d8da018bee64b38ff64522022419b01f67fc1a6b71da93c157401d

  • SSDEEP

    49152:u1vqjdPQ31PZ93aaYl1gm5TxsIGm4GZeED1jFayV4PxDZmc7iNEG:u1vqjY1PrqaYlvNFGvApD1jFZV4xZm+W

Malware Config

Signatures

  • Detect PurpleFox Rootkit 1 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 1 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.

  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a35b9d5123335a57d2995ad24900396cdbbd1859215a03fa2324b980e8eca96cN.exe
    "C:\Users\Admin\AppData\Local\Temp\a35b9d5123335a57d2995ad24900396cdbbd1859215a03fa2324b980e8eca96cN.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4308
    • C:\Windows\SysWOW64\xinxq\xqxin.exe
      "C:\Windows\SysWOW64\xinxq\xqxin.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4820
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Windows\SysWOW64\xinxq\xqxin.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4684
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:1236
  • 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 --field-trial-handle=2152,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4272 /prefetch:8
    1⤵
      PID:4840

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\xinxq\xqxin.exe

      Filesize

      3.5MB

      MD5

      70006fffc23d4d0da84d7718d5047397

      SHA1

      63024d1f3ce63c38d4d02bf5060d308b028a0913

      SHA256

      74d9d7e91ea5d958e50380f0e672e8638302de7fa13aa2c5c4f1625c27bc7ea2

      SHA512

      d7fd4ea5b57f8d05507c812075b899b95b7664c0f09adca6c7534ce74c0696b1aab74deabaf7b5ff40e00ef51b427c17c38593e1d6fce21160ce8ac7145befa9

    • memory/4820-8-0x0000000010000000-0x0000000010199000-memory.dmp

      Filesize

      1.6MB