Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 01:14

General

  • Target
    cd03561d6e2b4a75d5113465d7c9748aa754e04dfad77e29a2cabc9cb8a58cf7.exe
  • Size 4.9MB
  • Sample240614-bl2dkstajk
  • SHA256 cd03561d6e2b4a75d5113465d7c9748aa754e04dfad77e29a2cabc9cb8a58cf7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Gh0st RAT payload 10 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 32 IoCs
  • Loads dropped DLL 64 IoCs
  • UPX packed file 11 IoCs

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

  • 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
  • Suspicious use of SetThreadContext 15 IoCs
  • Drops file in Program Files directory 31 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd03561d6e2b4a75d5113465d7c9748aa754e04dfad77e29a2cabc9cb8a58cf7.exe
    "C:\Users\Admin\AppData\Local\Temp\cd03561d6e2b4a75d5113465d7c9748aa754e04dfad77e29a2cabc9cb8a58cf7.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Program Files\²âÊÔ²âÊÔ206\ttttt.exe
      "C:\Program Files\²âÊÔ²âÊÔ206\ttttt.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      PID:852
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 596
        3⤵
        • Program crash
        PID:2316
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\²âÊÔ²âÊÔ206\˰.txt
      2⤵
        PID:3168
      • C:\Program Files\²âÊÔ²âÊÔ206\winos.exe
        "C:\Program Files\²âÊÔ²âÊÔ206\winos.exe"
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3624
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:3792
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:64
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2900
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Enumerates connected drives
            • Checks processor information in registry
            • Suspicious use of AdjustPrivilegeToken
            PID:4496
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:3400
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1868
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:3580
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1900
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:3084
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4708
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1260
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4480
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          PID:4556
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4500
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          PID:4700
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2344
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          PID:1948
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4392
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          PID:2880
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2076
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          PID:4204
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4272
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          PID:312
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4484
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          PID:3812
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:4276
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          PID:4588
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1216
        • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
          "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          PID:664
          • C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
            "C:\Program Files\²âÊÔ²âÊÔ206\EP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:3032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 852 -ip 852
      1⤵
        PID:1556
      • C:\Windows\System32\sihclient.exe
        C:\Windows\System32\sihclient.exe /cv lT+Vx2NB4Eec+1sY1LpKAg.0.2
        1⤵
          PID:4480
        • 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=3988 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:3704

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                1.txt

                • Path C:\Program Files\²âÊÔ²âÊÔ206\1.txt
                • Size 2.2MB
                • SHA256 6a11cca02e22b01b077775b9819cb220d3747c0f6d2b0b85b13265d0cd3ab730
                • MD5 SHA1 SHA512 SSDEEP

                12345678.exe

                • Path C:\Program Files\²âÊÔ²âÊÔ206\12345678.exe
                • Size 302KB
                • SHA256 f8b93502b5d4a2d8180acd6bdf0a855146df0eeec437dfa3b5ee35059d8791a3
                • MD5 SHA1 SHA512 SSDEEP

                DTLUI.dll

                • Path C:\Program Files\²âÊÔ²âÊÔ206\DTLUI.dll
                • Size 2.4MB
                • SHA256 0989c2b74aab08c0e8ec997e5535c39ef1eab45ec829da7c1421624cd1f0f2dd
                • MD5 SHA1 SHA512 SSDEEP

                EP.exe

                • Path C:\Program Files\²âÊÔ²âÊÔ206\EP.exe
                • Size 1.1MB
                • SHA256 37865f209c91b291282c51515a868e6993070d3d7594cf931b42f5a6a8f09a3a
                • MD5 SHA1 SHA512 SSDEEP

                XPFarmer.bpl

                • Path C:\Program Files\²âÊÔ²âÊÔ206\XPFarmer.bpl
                • Size 1.5MB
                • SHA256 b8d383284ee56e69af969aeb332a3efc5a1318552925962ec9bbcd85fa6deaec
                • MD5 SHA1 SHA512 SSDEEP

                msvcp71.dll

                • Path C:\Program Files\²âÊÔ²âÊÔ206\msvcp71.dll
                • Size 2.4MB
                • SHA256 9c94d54a5e1518a63e4b96ab69d11a2167ec86b0d8bacc6d43f33758a36a9831
                • MD5 SHA1 SHA512 SSDEEP

                msvcr71.dll

                • Path C:\Program Files\²âÊÔ²âÊÔ206\msvcr71.dll
                • Size 340KB
                • SHA256 8094af5ee310714caebccaeee7769ffb08048503ba478b879edfef5f1a24fefe
                • MD5 SHA1 SHA512 SSDEEP

                name.ini

                • Path C:\Program Files\²âÊÔ²âÊÔ206\name.ini
                • Size 29B
                • SHA256 520fa9b9f1ba425d9bd2f5e72ef69aa8cd411c2a8f9485884e7854fb764fe2a1
                • MD5 SHA1 SHA512

                path.ini

                • Path C:\Program Files\²âÊÔ²âÊÔ206\path.ini
                • Size 50B
                • SHA256 fe79c97ec4aa72e7f458c69662132ab81a99d36d03e511ec429403fe853a6a94
                • MD5 SHA1 SHA512

                rtl70.bpl

                • Path C:\Program Files\²âÊÔ²âÊÔ206\rtl70.bpl
                • Size 640KB
                • SHA256 b8c41a8e2824c21b4e3eaa901e1af8c772ab0e68d1bf07580da62969792af5a2
                • MD5 SHA1 SHA512 SSDEEP

                ttttt.exe

                • Path C:\Program Files\²âÊÔ²âÊÔ206\ttttt.exe
                • Size 262KB
                • SHA256 a5622e2bf46cc2ec90c4dca70372f051bfb5bf55da3788b5dfca9429529d285b
                • MD5 SHA1 SHA512 SSDEEP

                vcl70.bpl

                • Path C:\Program Files\²âÊÔ²âÊÔ206\vcl70.bpl
                • Size 1.3MB
                • SHA256 a7a26cbf6968063c51d4d70f4599f295e4a88e352f19bdd475f3416e6411c390
                • MD5 SHA1 SHA512 SSDEEP

                winos.exe

                • Path C:\Program Files\²âÊÔ²âÊÔ206\winos.exe
                • Size 216KB
                • SHA256 a937d9295271cc131a2e019dd41ce4ead3bca2d5115fb7d7482508297971b17e
                • MD5 SHA1 SHA512 SSDEEP

                20240614011457944~YingInstall-TopFramePicture.bmp

                • Path C:\Users\Admin\AppData\Local\Temp\20240614011457944~YingInstall-TopFramePicture.bmp
                • Size 563KB
                • SHA256 d9295a5e215cf9f1c2dd5b9aa5deb1ee46619202b5814296ca73777506846608
                • MD5 SHA1 SHA512 SSDEEP

                memory/64-165-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/64-176-0x0000000000450000-0x0000000000519000-memory.dmp

                memory/64-144-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/64-178-0x0000000000400000-0x000000000044D000-memory.dmp

                memory/852-61-0x0000000000400000-0x0000000000456000-memory.dmp

                memory/852-70-0x0000000000400000-0x0000000000456000-memory.dmp

                memory/1260-153-0x0000000000950000-0x0000000000ACB000-memory.dmp

                memory/1868-187-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/1868-173-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/1900-177-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/1900-181-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/2900-130-0x0000000000B30000-0x0000000000CAB000-memory.dmp

                memory/2900-96-0x0000000000B30000-0x0000000000CAB000-memory.dmp

                memory/2900-126-0x0000000000400000-0x0000000000528000-memory.dmp

                memory/2900-127-0x00000000400C0000-0x0000000040218000-memory.dmp

                memory/3084-122-0x00000000008A0000-0x0000000000A1B000-memory.dmp

                memory/3084-193-0x0000000000400000-0x0000000000528000-memory.dmp

                memory/3084-194-0x00000000400C0000-0x0000000040218000-memory.dmp

                memory/3400-162-0x00000000400C0000-0x0000000040218000-memory.dmp

                memory/3400-163-0x0000000000990000-0x0000000000B0B000-memory.dmp

                memory/3400-161-0x0000000000400000-0x0000000000528000-memory.dmp

                memory/3400-110-0x0000000000990000-0x0000000000B0B000-memory.dmp

                memory/3580-171-0x00000000400C0000-0x0000000040218000-memory.dmp

                memory/3580-170-0x0000000000400000-0x0000000000528000-memory.dmp

                memory/3580-115-0x00000000008F0000-0x0000000000A6B000-memory.dmp

                memory/3580-172-0x00000000008F0000-0x0000000000A6B000-memory.dmp

                memory/3792-156-0x00000000400C0000-0x0000000040218000-memory.dmp

                memory/3792-146-0x0000000000400000-0x0000000000528000-memory.dmp

                memory/3792-103-0x0000000000AF0000-0x0000000000C6B000-memory.dmp

                memory/3792-157-0x0000000000AF0000-0x0000000000C6B000-memory.dmp

                memory/4496-143-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/4496-128-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/4496-123-0x0000000000400000-0x000000000044D000-memory.dmp

                memory/4496-125-0x0000000000400000-0x000000000044D000-memory.dmp

                memory/4496-131-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/4496-132-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/4496-164-0x0000000010000000-0x000000001018F000-memory.dmp

                memory/4556-186-0x00000000008D0000-0x0000000000A4B000-memory.dmp