Analysis

  • max time kernel
    59s
  • max time network
    64s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02/10/2023, 11:15

General

  • Target
    https://www.upload.ee/files/15753410/BLTools_v2.4.zip.html
  • Sample231002-ncppmsbb34
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://www.upload.ee/files/15753410/BLTools_v2.4.zip.html
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffb467f9758,0x7ffb467f9768,0x7ffb467f9778
      2⤵
        PID:4068
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1924 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:8
        2⤵
          PID:1096
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=232 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:2
          2⤵
            PID:3704
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2084 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:8
            2⤵
              PID:2384
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2860 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
              2⤵
                PID:2464
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2852 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                2⤵
                  PID:3580
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3672 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                  2⤵
                    PID:4448
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4732 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                    2⤵
                      PID:2452
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=3020 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                      2⤵
                        PID:4524
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=2972 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                        2⤵
                          PID:2816
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=5220 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                          2⤵
                            PID:3440
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5536 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:8
                            2⤵
                              PID:3316
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5628 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:8
                              2⤵
                                PID:3864
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=4780 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                                2⤵
                                  PID:1412
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --mojo-platform-channel-handle=5956 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                                  2⤵
                                    PID:2148
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --mojo-platform-channel-handle=6112 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                                    2⤵
                                      PID:1020
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --mojo-platform-channel-handle=5764 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                                      2⤵
                                        PID:380
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=18 --mojo-platform-channel-handle=5956 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                                        2⤵
                                          PID:4184
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5648 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:8
                                          2⤵
                                            PID:2128
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=20 --mojo-platform-channel-handle=5504 --field-trial-handle=1764,i,1101703328266700852,1095087025761202833,131072 /prefetch:1
                                            2⤵
                                              PID:5104
                                          • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                            "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                            1⤵
                                              PID:2352
                                            • C:\Windows\System32\rundll32.exe
                                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                              1⤵
                                                PID:3216
                                              • C:\Program Files\7-Zip\7zG.exe
                                                "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\BLTools_v2.4\" -spe -an -ai#7zMap19634:86:7zEvent28054
                                                1⤵
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of FindShellTrayWindow
                                                PID:4836
                                              • C:\Users\Admin\Downloads\BLTools_v2.4\BLTools v2.4\BL Tools.exe
                                                "C:\Users\Admin\Downloads\BLTools_v2.4\BLTools v2.4\BL Tools.exe"
                                                1⤵
                                                • Executes dropped EXE
                                                • Adds Run key to start application
                                                PID:4488
                                                • C:\ProgramData\SecurityHealth.exe
                                                  "C:\ProgramData\SecurityHealth.exe"
                                                  2⤵
                                                  • Executes dropped EXE
                                                  PID:4904
                                                • C:\ProgramData\SecurityHealths.exe
                                                  "C:\ProgramData\SecurityHealths.exe"
                                                  2⤵
                                                  • Executes dropped EXE
                                                  PID:4088
                                                • C:\Users\Admin\Downloads\BLTools_v2.4\BLTools v2.4\BLTools.exe
                                                  "C:\Users\Admin\Downloads\BLTools_v2.4\BLTools v2.4\BLTools.exe"
                                                  2⤵
                                                  • Executes dropped EXE
                                                  • Loads dropped DLL
                                                  PID:2972

                                              Network

                                                    MITRE ATT&CK Enterprise v15

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

                                                    SecurityHealth.exe

                                                    • Path C:\ProgramData\SecurityHealth.exe
                                                    • Size 234KB
                                                    • SHA256 adce7ca3bbea5346603783d5d97829b9279a1516389f4a94c4498fdb9a68f188
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    SecurityHealth.exe

                                                    • Path C:\ProgramData\SecurityHealth.exe
                                                    • Size 234KB
                                                    • SHA256 adce7ca3bbea5346603783d5d97829b9279a1516389f4a94c4498fdb9a68f188
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    SecurityHealths.exe

                                                    • Path C:\ProgramData\SecurityHealths.exe
                                                    • Size 228KB
                                                    • SHA256 b9155f0676dac46541de618bdf1171ea5e5490cc44d3b95e9a364cf3e624814b
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    SecurityHealths.exe

                                                    • Path C:\ProgramData\SecurityHealths.exe
                                                    • Size 228KB
                                                    • SHA256 b9155f0676dac46541de618bdf1171ea5e5490cc44d3b95e9a364cf3e624814b
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    the-real-index

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                                    • Size 480B
                                                    • SHA256 93b18192fd9e96291c68e0df72fb169a97a47eb1b36902cbfd631eeaa24ab80a
                                                    • MD5 SHA1 SHA512

                                                    TransportSecurity

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                                    • Size 1KB
                                                    • SHA256 2513340431bea1720a474107599e7c7c80b3b8af4d65da21d7150285a3fd1317
                                                    • MD5 SHA1 SHA512

                                                    TransportSecurity

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                                    • Size 1KB
                                                    • SHA256 b89a0a2f7df29592c8779cb325a63a827e105d81b7afb694737eb62eb2e541ef
                                                    • MD5 SHA1 SHA512

                                                    Preferences

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                                    • Size 6KB
                                                    • SHA256 96625c954181c0b65c3a3558a758b974faf5507a9586b1872aeb1a7591e95d60
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    Preferences

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                                    • Size 6KB
                                                    • SHA256 9016eb04db62fd7fded5f74411b65cabf52342528d0b3d41a8bfa7cd3f71c68c
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    Local State

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                    • Size 101KB
                                                    • SHA256 0e58c96c5ccaaab4cce49d18c6acfc04f784ba9f8dea5df625926087080a0bc2
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    Local State

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                    • Size 101KB
                                                    • SHA256 9ffd38ca40a28bfc57e2d51da2d304a7c4346013bbe596be05a9557c35a95f27
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    Module Info Cache

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache
                                                    • Size 111KB
                                                    • SHA256 4b75d8c4bf65e56f0c66bc73f497f4c5af42374401a0177f574e27f9c89f8dbc
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    Module Info Cache~RFe586481.TMP

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe586481.TMP
                                                    • Size 100KB
                                                    • SHA256 29f122996f32f44ce3af4b8ca63691685895e88601e5a829cd892e15045ff265
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    persisted_first_party_sets.json

                                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
                                                    • Size 2B
                                                    • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                                    • MD5 SHA1 SHA512

                                                    BLTools_v2.4.zip

                                                    • Path C:\Users\Admin\Downloads\BLTools_v2.4.zip
                                                    • Size 2.9MB
                                                    • SHA256 6a9d054b3a14fcac39d9924fb0d5cadbee373059a61aa1e49d368b02c3f9ed7b
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    BL Tools.exe

                                                    • Path C:\Users\Admin\Downloads\BLTools_v2.4\BLTools v2.4\BL Tools.exe
                                                    • Size 1.4MB
                                                    • SHA256 12c61522f095fc5e4d9eab66f82ae3328b3df29ae4ad9153a1a9ed48a7b08100
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    BL Tools.exe

                                                    • Path C:\Users\Admin\Downloads\BLTools_v2.4\BLTools v2.4\BL Tools.exe
                                                    • Size 1.4MB
                                                    • SHA256 12c61522f095fc5e4d9eab66f82ae3328b3df29ae4ad9153a1a9ed48a7b08100
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    BLTools.exe

                                                    • Path C:\Users\Admin\Downloads\BLTools_v2.4\BLTools v2.4\BLTools.exe
                                                    • Size 4.0MB
                                                    • SHA256 55edf9a8e5d3fd3f647f26f593ab39e511cac2abf0e444ef82c309b5c78067fe
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    AlphaFS.dll

                                                    • Path \Users\Admin\Downloads\BLTools_v2.4\BLTools v2.4\AlphaFS.dll
                                                    • Size 359KB
                                                    • SHA256 837f2ceab6bbd9bc4bf076f1cb90b3158191888c3055dd2b78a1e23f1c3aafdd
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    AlphaFS.dll

                                                    • Path \Users\Admin\Downloads\BLTools_v2.4\BLTools v2.4\AlphaFS.dll
                                                    • Size 359KB
                                                    • SHA256 837f2ceab6bbd9bc4bf076f1cb90b3158191888c3055dd2b78a1e23f1c3aafdd
                                                    • MD5 SHA1 SHA512 SSDEEP

                                                    memory/2972-258-0x000000006CED0000-0x000000006CEE7000-memory.dmp

                                                    memory/2972-255-0x0000000001560000-0x000000000160E000-memory.dmp

                                                    memory/4088-248-0x000000001B9D0000-0x000000001B9E0000-memory.dmp

                                                    memory/4088-254-0x00007FFB310C0000-0x00007FFB31AAC000-memory.dmp

                                                    memory/4088-243-0x0000000001420000-0x0000000001421000-memory.dmp

                                                    memory/4088-241-0x00007FFB310C0000-0x00007FFB31AAC000-memory.dmp

                                                    memory/4088-260-0x000000001B9D0000-0x000000001B9E0000-memory.dmp

                                                    memory/4088-239-0x0000000000C60000-0x0000000000CA0000-memory.dmp

                                                    memory/4488-221-0x00007FFB310C0000-0x00007FFB31AAC000-memory.dmp

                                                    memory/4488-223-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

                                                    memory/4488-220-0x00000000002C0000-0x000000000042E000-memory.dmp

                                                    memory/4488-252-0x00007FFB310C0000-0x00007FFB31AAC000-memory.dmp

                                                    memory/4488-222-0x000000001B0A0000-0x000000001B0B0000-memory.dmp

                                                    memory/4904-238-0x0000000000DA0000-0x0000000000DE2000-memory.dmp

                                                    memory/4904-253-0x00007FFB310C0000-0x00007FFB31AAC000-memory.dmp

                                                    memory/4904-249-0x000000001BB80000-0x000000001BB90000-memory.dmp

                                                    memory/4904-240-0x00007FFB310C0000-0x00007FFB31AAC000-memory.dmp

                                                    memory/4904-259-0x000000001BB80000-0x000000001BB90000-memory.dmp

                                                    memory/4904-244-0x0000000001570000-0x0000000001571000-memory.dmp