Analysis

  • max time kernel
    155s
  • 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
    21-06-2024 01:11

General

  • Target

    3730e600a60fed05d20e23e9340e37e5f5f072e6d4801150326ff4e2a4fdb4c5.exe

  • Size

    3.3MB

  • MD5

    93aef31e912fa9fa0c6423f5eee39b92

  • SHA1

    01743de8f41cedaec95c71d9559624fd537d4dac

  • SHA256

    3730e600a60fed05d20e23e9340e37e5f5f072e6d4801150326ff4e2a4fdb4c5

  • SHA512

    502c990c9fc0d81526aec775834c852106df585428f9830e983219ea805a8f54013de38c2d741b0765e749165569322662dc66f01555f80c1c35616bb4dfda63

  • SSDEEP

    24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNII:QHPkVOBTKv

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 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.

  • Detects executables calling ClearMyTracksByProcess 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3730e600a60fed05d20e23e9340e37e5f5f072e6d4801150326ff4e2a4fdb4c5.exe
    "C:\Users\Admin\AppData\Local\Temp\3730e600a60fed05d20e23e9340e37e5f5f072e6d4801150326ff4e2a4fdb4c5.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2548
    • 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\3730E6~1.EXE > nul
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1896
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3052
  • C:\Windows\SysWOW64\sainbox.exe
    C:\Windows\SysWOW64\sainbox.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Windows\SysWOW64\sainbox.exe
      C:\Windows\SysWOW64\sainbox.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:4196
  • 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=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3104

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\sainbox.exe
      Filesize

      3.3MB

      MD5

      93aef31e912fa9fa0c6423f5eee39b92

      SHA1

      01743de8f41cedaec95c71d9559624fd537d4dac

      SHA256

      3730e600a60fed05d20e23e9340e37e5f5f072e6d4801150326ff4e2a4fdb4c5

      SHA512

      502c990c9fc0d81526aec775834c852106df585428f9830e983219ea805a8f54013de38c2d741b0765e749165569322662dc66f01555f80c1c35616bb4dfda63

    • memory/1140-11-0x0000000010000000-0x000000001019F000-memory.dmp
      Filesize

      1.6MB

    • memory/2548-0-0x0000000010000000-0x000000001019F000-memory.dmp
      Filesize

      1.6MB