Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 15:57

General

  • Target

    b6660f4b0556f0717e8d949a1df4f5be1b675403ecdb01ac48c36f6bc23077eb.exe

  • Size

    2.2MB

  • MD5

    7f7da36574264be4b7dd67af4f73b1b1

  • SHA1

    432f20d5fd94056d258fde3b4907f096190cc8bc

  • SHA256

    b6660f4b0556f0717e8d949a1df4f5be1b675403ecdb01ac48c36f6bc23077eb

  • SHA512

    d13d7fb1aeb001fe4c7cd113f342c281ffc20b39566d83d2d29adafd8c6bbec71c60144071a0b67f77500c00ea7ac518753dbf2a33c21f53aa2831817d9bc9dd

  • SSDEEP

    24576:rQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVVMwS0kpY:rQZAdVyVT9n/Gg0P+WhoIMH0v

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 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 DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in System32 directory 6 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6660f4b0556f0717e8d949a1df4f5be1b675403ecdb01ac48c36f6bc23077eb.exe
    "C:\Users\Admin\AppData\Local\Temp\b6660f4b0556f0717e8d949a1df4f5be1b675403ecdb01ac48c36f6bc23077eb.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4084
      • 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\svchost.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:544
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2184
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1168
    • C:\Users\Admin\AppData\Local\Temp\HD_b6660f4b0556f0717e8d949a1df4f5be1b675403ecdb01ac48c36f6bc23077eb.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b6660f4b0556f0717e8d949a1df4f5be1b675403ecdb01ac48c36f6bc23077eb.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3472
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://pc.weixin.qq.com/
        3⤵
          PID:1244
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2452
      • 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:4432
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
        PID:3888
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
        1⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:3412
        • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
          C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240640578.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:388
      • 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=4604,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=1304 /prefetch:8
        1⤵
          PID:3760
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --field-trial-handle=4904,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4940 /prefetch:1
          1⤵
            PID:2316
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --field-trial-handle=1428,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=5132 /prefetch:1
            1⤵
              PID:3720
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --field-trial-handle=5384,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=5404 /prefetch:1
              1⤵
                PID:4072
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --no-appcompat-clear --field-trial-handle=5424,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=5568 /prefetch:8
                1⤵
                  PID:2804
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --field-trial-handle=5264,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4912 /prefetch:1
                  1⤵
                    PID:2244
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --field-trial-handle=5376,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=5304 /prefetch:1
                    1⤵
                      PID:4056
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=5208,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=5216 /prefetch:8
                      1⤵
                        PID:2536
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --field-trial-handle=5604,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=5832 /prefetch:8
                        1⤵
                          PID:1020

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

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

                          Filesize

                          1.6MB

                          MD5

                          239aa557c50920d5b084fad8f3c40867

                          SHA1

                          5a72500c38b4c1fd633791a7b5604d2dbc7c3fd2

                          SHA256

                          223723c3c853c4f387caebaf1a5caa8428c5683fd603bc8a6af8527c2dc3c1f6

                          SHA512

                          3e2ea3d00af49e15aa83ad30236205cda1b2bb9cbe18ccddcbb8175e7b09a10e1a23f5a8be82912298ceccf95026028b56499cd7a5a82b744280653d9a183d79

                        • C:\Users\Admin\AppData\Local\Temp\HD_b6660f4b0556f0717e8d949a1df4f5be1b675403ecdb01ac48c36f6bc23077eb.exe

                          Filesize

                          639KB

                          MD5

                          75f9bbc35802ae5cf0215c0ebbfa7390

                          SHA1

                          81c85fb9906c1fe95399ee19210d15d6ad4ba0f4

                          SHA256

                          2f69433df55a5e5ca40a37a40334d4fe085d1d420c50bbefc00b3eb7cd5e26f7

                          SHA512

                          4eb88bb9f2a3e1aa5d99c6e1ca6e50ab9327640388652af45a053111dd197e883541a300dbf1dce30d941eac789b4081ea066a307ddbba75e2cf2b35f4601cf5

                        • C:\Users\Admin\AppData\Local\Temp\RCX8211.tmp

                          Filesize

                          1.2MB

                          MD5

                          52d49ac980ea0df8aa8cc7c0b4028503

                          SHA1

                          7c4307800586feee0dfa9298993bb9ed4936c209

                          SHA256

                          1f2fb95fd5dc41165ede0745665db380a47744daf53de64cf574c4be974eef30

                          SHA512

                          c740789917362d9c018e5934547f0af10fcf90bc3c8c0d70b48e13165030336c7e5f54026499bde68b851ace7d4b04bbc0f1d608965b8f097332a3687c82d862

                        • C:\Users\Admin\AppData\Local\Temp\X.ico

                          Filesize

                          69KB

                          MD5

                          e33fb6d686b1a8b171349572c5a33f67

                          SHA1

                          29f24fe536adf799b69b63c83efadc1bce457a54

                          SHA256

                          020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450

                          SHA512

                          cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55

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

                          Filesize

                          93KB

                          MD5

                          3b377ad877a942ec9f60ea285f7119a2

                          SHA1

                          60b23987b20d913982f723ab375eef50fafa6c70

                          SHA256

                          62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

                          SHA512

                          af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

                          Filesize

                          377KB

                          MD5

                          a4329177954d4104005bce3020e5ef59

                          SHA1

                          23c29e295e2dbb8454012d619ca3f81e4c16e85a

                          SHA256

                          6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

                          SHA512

                          81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

                        • C:\Windows\SysWOW64\240640578.txt

                          Filesize

                          50KB

                          MD5

                          faf3f34e723aba381f7f4d43b7dc4f40

                          SHA1

                          b4fb808bbc51c07c6369546e78d03efbeab54410

                          SHA256

                          a92488b8b46ef72e178d693838b8dbecc1bc27d2fbe9c92c75a53618b1632fcb

                          SHA512

                          f571ecc94ffbd4dba188a72dae7aeb2e45d6e8ea6a7f597cab5b171edab3c4f8cfefd168db522291c5073e7f34908600b727bac292c5ce90b54a55d73df5023c

                        • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

                          Filesize

                          60KB

                          MD5

                          889b99c52a60dd49227c5e485a016679

                          SHA1

                          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

                          SHA256

                          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

                          SHA512

                          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

                        • memory/2452-32-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/2452-16-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/2452-17-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/2452-13-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/2452-15-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/4084-4-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/4084-10-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/4084-7-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/4084-6-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/4432-22-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/4432-42-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB

                        • memory/4432-50-0x0000000010000000-0x00000000101B6000-memory.dmp

                          Filesize

                          1.7MB