Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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 17:37

General

  • Target

    e75a4799355d4b5288255b071d341089f2556d720c89d2e4dc73f982db7734e4.exe

  • Size

    3.3MB

  • MD5

    534dc27fc6e0fadae9e578b7ba252eb1

  • SHA1

    ec2d7aa2b025bdf2b78015539495bdded4789151

  • SHA256

    e75a4799355d4b5288255b071d341089f2556d720c89d2e4dc73f982db7734e4

  • SHA512

    9a6254d636a39fdae05f05fed952d2a9b65413bf6c08f7a72c5bc9c938118fdb26e6e99b3209b8988340a09dd1af5c7370465e1095048e119ad03ff6f06cf868

  • SSDEEP

    49152:ECwsbCANnKXferL7Vwe/Gg0P+WhelDCom:Hws2ANnKXOaeOgmhelmom

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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 10 IoCs

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

  • Drops file in System32 directory 6 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\e75a4799355d4b5288255b071d341089f2556d720c89d2e4dc73f982db7734e4.exe
    "C:\Users\Admin\AppData\Local\Temp\e75a4799355d4b5288255b071d341089f2556d720c89d2e4dc73f982db7734e4.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:3292
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4220
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4124
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:968
    • C:\Users\Admin\AppData\Local\Temp\HD_e75a4799355d4b5288255b071d341089f2556d720c89d2e4dc73f982db7734e4.exe
      C:\Users\Admin\AppData\Local\Temp\HD_e75a4799355d4b5288255b071d341089f2556d720c89d2e4dc73f982db7734e4.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5040
      • 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:2720
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
        PID:4672
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
        1⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:2936
        • C:\Windows\SysWOW64\Remote Data.exe
          "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240640531.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1252
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.exe -auto
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:752
        • C:\Windows\SysWOW64\TXPlatfor.exe
          C:\Windows\SysWOW64\TXPlatfor.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:2660
      • 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=3888,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4488 /prefetch:8
        1⤵
          PID:2136
        • 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=17 --field-trial-handle=4280,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4748 /prefetch:1
          1⤵
            PID:388
          • 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=16 --field-trial-handle=4764,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=5124 /prefetch:1
            1⤵
              PID:1468
            • 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=18 --field-trial-handle=5448,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=5468 /prefetch:1
              1⤵
                PID:4220
              • 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=5492,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=5616 /prefetch:8
                1⤵
                  PID:752
                • 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=20 --field-trial-handle=5952,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=5972 /prefetch:1
                  1⤵
                    PID:4392
                  • 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=21 --field-trial-handle=4608,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=5640 /prefetch:1
                    1⤵
                      PID:4532
                    • 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=5032,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=5256 /prefetch:8
                      1⤵
                        PID:584
                      • 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=5660,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8
                        1⤵
                          PID:1504
                        • 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=2364,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=3680 /prefetch:8
                          1⤵
                            PID:4784

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

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

                            2.7MB

                            MD5

                            372a9a2d1060b5f7ff3aa37b5acefe82

                            SHA1

                            808cafae83c76ab59a48404748170b66f5bd6c44

                            SHA256

                            1c1842e702cb832b3c021d2857d2a346cbb98250b6f8d7c4f214a666c1cac0e8

                            SHA512

                            a55a10e0c18daadefbe19141915ae9c2ae3d92affb9ecf52ce906039c8ac2cccd54b19417440f388e8dd18a61ca71537723363bef99332c08b299e9f9f1d4288

                          • C:\Users\Admin\AppData\Local\Temp\HD_e75a4799355d4b5288255b071d341089f2556d720c89d2e4dc73f982db7734e4.exe
                            Filesize

                            644KB

                            MD5

                            e1b51248e9657f48a0daefc3958f7864

                            SHA1

                            248878fea5a3b5708c0621ce197d18b42f44f85b

                            SHA256

                            d8df1e229becafa07c85a1ea8d7f777f92280720fea9144a5df7176c52795f93

                            SHA512

                            c789b3de67a41dbd51a1715b72b3620d8d41299544a2c141105a942e8a24616d2ee7d3337de0b450c0981613f86f46bd9e428505db39ecfb57133f3e5a353b03

                          • C:\Users\Admin\AppData\Local\Temp\N.exe
                            Filesize

                            377KB

                            MD5

                            4a36a48e58829c22381572b2040b6fe0

                            SHA1

                            f09d30e44ff7e3f20a5de307720f3ad148c6143b

                            SHA256

                            3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

                            SHA512

                            5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

                          • C:\Users\Admin\AppData\Local\Temp\R.exe
                            Filesize

                            941KB

                            MD5

                            8dc3adf1c490211971c1e2325f1424d2

                            SHA1

                            4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

                            SHA256

                            bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

                            SHA512

                            ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

                          • C:\Windows\SysWOW64\240640531.txt
                            Filesize

                            899KB

                            MD5

                            dbed2ab3f6d33728c5066fc0121be95c

                            SHA1

                            d94e82e9226a5cf3ca8d3372b5eac3d7a325927a

                            SHA256

                            29422d641757bec4dec618222240c358b9574033cf5dc10322a3c7c1023ac2a1

                            SHA512

                            05ba8f704636a9e700549257f20c6b1830977d5dc3e4dbf976a7fb0ad7f76cdc025f9e5a285f0ab3b8198026444626f7fb335bd0af399fec7bafafa4d8ec6717

                          • C:\Windows\SysWOW64\Remote Data.exe
                            Filesize

                            60KB

                            MD5

                            889b99c52a60dd49227c5e485a016679

                            SHA1

                            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

                            SHA256

                            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

                            SHA512

                            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

                          • memory/752-26-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB

                          • memory/752-28-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB

                          • memory/752-29-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB

                          • memory/2660-43-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB

                          • memory/2660-41-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB

                          • memory/2660-46-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB

                          • memory/4220-30-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB

                          • memory/4220-21-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB

                          • memory/4220-19-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB

                          • memory/4220-17-0x0000000010000000-0x00000000101B6000-memory.dmp
                            Filesize

                            1.7MB