Analysis

  • max time kernel
    50s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2025, 19:48

General

  • Target

    Nexol/Nexol.exe

  • Size

    473KB

  • MD5

    e7bb20054b7d3e33dd82f82ddc2e8b11

  • SHA1

    8a2cd79e07948d2ea624010d7c7fb78ad249de02

  • SHA256

    5b11c5df562c17c5f60e79b429ca8ed21c919b2615dfe45571fda92f261375cd

  • SHA512

    11f20888be8aa7c1410bad7fe85ab90df852b9e6b465c2f634b2bebc5fdcbb21c0caea7fc4bcfb16ec77a8abd804267354e5c52d52c1e506b12d5ea65c819a43

  • SSDEEP

    12288:npryC8zCrxmLFBWwvC/5h4RrSxVd5B1YVKw:nprygmI/34RUXw

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nexol\Nexol.exe
    "C:\Users\Admin\AppData\Local\Temp\Nexol\Nexol.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 116
      2⤵
      • Program crash
      PID:2776
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2708
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2436
      • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef5e19758,0x7fef5e19768,0x7fef5e19778
        2⤵
          PID:2204
        • 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=1128 --field-trial-handle=1372,i,16170081581853217300,1055981231458832011,131072 /prefetch:2
          2⤵
            PID:1044
          • 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=1496 --field-trial-handle=1372,i,16170081581853217300,1055981231458832011,131072 /prefetch:8
            2⤵
              PID:1272
            • 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=1600 --field-trial-handle=1372,i,16170081581853217300,1055981231458832011,131072 /prefetch:8
              2⤵
                PID:2768
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2268 --field-trial-handle=1372,i,16170081581853217300,1055981231458832011,131072 /prefetch:1
                2⤵
                  PID:2252
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2276 --field-trial-handle=1372,i,16170081581853217300,1055981231458832011,131072 /prefetch:1
                  2⤵
                    PID:2268
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1536 --field-trial-handle=1372,i,16170081581853217300,1055981231458832011,131072 /prefetch:2
                    2⤵
                      PID:2492
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3088 --field-trial-handle=1372,i,16170081581853217300,1055981231458832011,131072 /prefetch:1
                      2⤵
                        PID:2292
                      • 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=3848 --field-trial-handle=1372,i,16170081581853217300,1055981231458832011,131072 /prefetch:8
                        2⤵
                          PID:1688
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3736 --field-trial-handle=1372,i,16170081581853217300,1055981231458832011,131072 /prefetch:1
                          2⤵
                            PID:3008
                        • 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:2964
                          • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
                            "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:1
                            1⤵
                            • Enumerates connected drives
                            • System Location Discovery: System Language Discovery
                            PID:464

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                            Filesize

                            214KB

                            MD5

                            ba958dfa97ba4abe328dce19c50cd19c

                            SHA1

                            122405a9536dd824adcc446c3f0f3a971c94f1b1

                            SHA256

                            3124365e9e20791892ee21f47763d3df116763da0270796ca42fd63ecc23c607

                            SHA512

                            aad22e93babe3255a7e78d9a9e24c1cda167d449e5383bb740125445e7c7ddd8df53a0e53705f4262a49a307dc54ceb40c66bab61bec206fbe59918110af70bf

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extension State\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                            Filesize

                            16B

                            MD5

                            aefd77f47fb84fae5ea194496b44c67a

                            SHA1

                            dcfbb6a5b8d05662c4858664f81693bb7f803b82

                            SHA256

                            4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                            SHA512

                            b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                            Filesize

                            264KB

                            MD5

                            f50f89a0a91564d0b8a211f8921aa7de

                            SHA1

                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                            SHA256

                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                            SHA512

                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                            Filesize

                            363B

                            MD5

                            c1633a7add5e5f96765a73ffa527c992

                            SHA1

                            0fcb86017fa843a2e0d462723772109dba2beebf

                            SHA256

                            7fdd0462490929061d50fab8da4a85151ee5e54d6fb9e47ecab4d2eccb232d36

                            SHA512

                            722a2f346c1f6c4a0e46e7adfe6dc178698763627051b324bb6f75ddf74c082cb94486a9deadccc7d7ae5f3e573d40eda2ef025dd6641fe0558c84c7c51a70b4

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            24d601dc593f27ce394e8c5cdd4d9e6e

                            SHA1

                            b8a4c23f7bb5532191f1b30026458fd2c38dd8a4

                            SHA256

                            a6ffbbde6cb4aadcd33a5a1a5c5422ad077777eeafa7a19e661232d37349a23d

                            SHA512

                            b0832d7d133b1d1baf4f7e94c3c85ddfee7bbeec9838656dd38d406ae1f667a113a275f705d59eb42e673eefb3005d65d643cfa71cef6a0067f9675ad4ffad6e

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            cf1cae5778746a36e0e0e4e2dac8a741

                            SHA1

                            1a3adcf5a2039c4603004e67f7b1b4ecbede1892

                            SHA256

                            c9f4ee44d97736e5767ce7a1bae472db6d83ef0dd8dca2b9065b88dacd95c745

                            SHA512

                            1d2ce0d1c99311c908909972cde3960557fa16992e32362aa344b7eaaf3d0ed509916af771504ead5cc53d590cf36bf5aa492eb18e9c17913e8c036d162cc48b

                          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms~RFf76eb39.TMP

                            Filesize

                            1KB

                            MD5

                            a1fc5cca4dcf4fac24871aa255c98366

                            SHA1

                            52c602e2fb691920b0129bef538e15d01d9224fb

                            SHA256

                            e8be2836e0cf7a423e65f29819b0bb63d715b872736dd514ae836d45d41e39fa

                            SHA512

                            67293e1bb22a7512311b08ada261c70395169ce3a00499663f522cbeea1521d498ee27c16d51b063ea6760fb97b6983d9fdd4510115e6fa3dc2f1922738c0c0e

                          • memory/464-50-0x00000000001E0000-0x00000000001E1000-memory.dmp

                            Filesize

                            4KB