Analysis

  • max time kernel
    210s
  • max time network
    211s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-09-2024 18:57

General

  • Target

    Nebula.dll

  • Size

    1.3MB

  • MD5

    73e60bf82ec1449df9f1c37b28798a5e

  • SHA1

    3c39b6bb303c9ed552c920778f76f502cc8a9278

  • SHA256

    3658bd3e7d06184470049a970bbaa57b84441ccd22185f7b4eff29fe1cebc7c2

  • SHA512

    af327ba50b04a50f867be98a52226731b0cdacd7c30802b102fa68deb263158cc27dd0eb9633c88eca163da701e8ac91b613b1a9b804b9814ba1661ee944e4e6

  • SSDEEP

    24576:YrwYHRUof7pJD1yrfouBOd5MuQtMdDjx8KIzg:5MhfFJBbuBOdS3tMdDF8KIzg

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Nebula.dll,#1
    1⤵
      PID:1900
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Drops file in Windows directory
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1540
      • 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:4 --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=123.0.6312.123 --initial-client-data=0x108,0x10c,0x110,0xe4,0x80,0x7ff942cccc40,0x7ff942cccc4c,0x7ff942cccc58
        2⤵
          PID:1160
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1856,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=1852 /prefetch:2
          2⤵
            PID:1820
          • 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 --no-appcompat-clear --field-trial-handle=2128,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2140 /prefetch:3
            2⤵
              PID:4676
            • 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=service --no-appcompat-clear --field-trial-handle=2212,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2208 /prefetch:8
              2⤵
                PID:4888
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3112,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3136 /prefetch:1
                2⤵
                  PID:860
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3148,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3296 /prefetch:1
                  2⤵
                    PID:1688
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4308,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4476 /prefetch:1
                    2⤵
                      PID:3324
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=3696,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4600 /prefetch:8
                      2⤵
                        PID:4892
                      • 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 --no-appcompat-clear --field-trial-handle=4700,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4768 /prefetch:8
                        2⤵
                          PID:3152
                        • 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 --no-appcompat-clear --field-trial-handle=224,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4676 /prefetch:8
                          2⤵
                            PID:1772
                          • 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 --no-appcompat-clear --field-trial-handle=4688,i,4773945075677186143,15527514050977218912,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4472 /prefetch:8
                            2⤵
                              PID:2812
                          • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                            "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                            1⤵
                              PID:4340
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                              1⤵
                                PID:3560

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\940f1f2d-32d2-4ddc-b36f-5cca96f5e5eb.tmp

                                Filesize

                                207KB

                                MD5

                                929e6be19236431a43df42b38b53fa24

                                SHA1

                                ce71e8e6d93c26ed7c78bec795d028aae9f15edb

                                SHA256

                                40d83b7a24226f2881b69fbbdb6dce4bd17c55d3bf608d537453eff4fc35350c

                                SHA512

                                3c802664047657fff8bc7cf8a9729883a29f8fdb530d0761fffb96d8aba564a8cb5bc9e220ad020c27c1e2935b5ece060665c9699379f34dda527cb22b882d7c

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

                                Filesize

                                649B

                                MD5

                                7052a46e3310769a59cdacf606fb3a3a

                                SHA1

                                c625e994e830f2d7fa7fb88856926bbff2ad480e

                                SHA256

                                e9b8aa914fb355f699a5768e98d862a12954df6446ba2e590c0e9b6a63cb0ead

                                SHA512

                                d77c514c21f0079c7bcabecb2bcd642992881a4e54dc98eed10b3916e753fa7420189df36ccafa9b5ddded1cd64adf7f045c2abe70ff8ecfd0b060b2853459f8

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                                Filesize

                                2B

                                MD5

                                d751713988987e9331980363e24189ce

                                SHA1

                                97d170e1550eee4afc0af065b78cda302a97674c

                                SHA256

                                4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                SHA512

                                b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                                Filesize

                                356B

                                MD5

                                2be15cfe56843573ca0c0c97a3f144f8

                                SHA1

                                90332e28c03f9d89096bcc19d4fa21c2926c1bde

                                SHA256

                                74a48e728b89b1589c36b0886861f1d980e44c8ca858aa0e53eb43e027a27117

                                SHA512

                                920dfaa1550415a0098b83cb745337d4d18238072164089c08bc9d088e6a78c7c3ce8fafd9b13854fa7f5c19ef43d8c15b2c4fa731d0bfcc580a7f781ec3d079

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

                                Filesize

                                9KB

                                MD5

                                500ad7f7313a5d8c236bbe1404c545ea

                                SHA1

                                e5bded90d6b59f368aaf9b10123b57905c19395d

                                SHA256

                                9574cc6d1c0d58ff425e1cc8934cb229b483ad13a25ea07976aee8be282665c3

                                SHA512

                                e43bb255a37f359f16eadb7470cd95749381b394ca7f19c5283db44d1ced77ba8f390b18c99fac214a9ebe6486d46dd9dc632b9cd78e5436f03d658dc70a7f57

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

                                Filesize

                                9KB

                                MD5

                                a516e87e083752ab8d791fa00b49555a

                                SHA1

                                986458caa8dd47f9f032823bcbb3a8f9f1fc4c49

                                SHA256

                                85b42e0101ffeba5872c5bb3d59563e54765e463edd80001de68f774652b9657

                                SHA512

                                879a4f6618ef75b363c5a07c6772634325270ab0d90a8e6094d0e301d7840ce1f48253f376f855afd27771b1334ba8ab8a2ed2df3b4d2d8e9ff6258ac1ec63ee

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

                                Filesize

                                9KB

                                MD5

                                05387cb4429352a4d87d10626c2992d5

                                SHA1

                                80657c505f6bf322eff0c2ce852d5c9f8cb37b11

                                SHA256

                                c98ce2641c0e4d2517a6a619d572f79b7a9ae093d0ace44688e7e7e3fd202783

                                SHA512

                                37082da55ec43f0913b339096d7c4ed4e6a6a88cefff1f65a8354752aedaf0adb07bab30d60d28ea7706fa3c5d781be3b04a344b990f8632f166caf77b1b92ad

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

                                Filesize

                                13KB

                                MD5

                                81fd8e7fdf974a25b5e1b58e8cf7ee73

                                SHA1

                                47109ea47ca3c45f6e70e8c76edbd1687c1ecc32

                                SHA256

                                d2cf21da2d16138619290b9744fc3b67a6b479b8bd662deedbf27b7ee8e4805e

                                SHA512

                                7a1730f349f9e7d5e009854484f719099c432ff668db102e6fad4df1ed64cf97e1a195bc75b2ade43127cb298e006609601a4c81d8afefea0ef4125dd458962a

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

                                Filesize

                                207KB

                                MD5

                                939305775a70a1d5f8a400cec854878c

                                SHA1

                                a46f8e0009f91fc7c316bdd36c6c8124e7a1df83

                                SHA256

                                595c2eb29c3d3e2d78ec07a5c4b20975aa4726df9fad3d074fe5ad23c2e2e065

                                SHA512

                                40f59342b25ca3bbf5b8d93afe82f2e36e8523585fe71ee2ac7d012a716db28a177adac319cf332ea98541d425ec2f36893d9a6e0e2763e9425af997e5e0e261

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

                                Filesize

                                101KB

                                MD5

                                96ab4f6183078d6eed4cb9c3859ba8be

                                SHA1

                                638e2688736a2c78d33493fa4697c13ae55e5cc9

                                SHA256

                                afe3b77826be574d95cdb3b5e1701c8e6a2ea2b21044590a461d91008ab71eb6

                                SHA512

                                c1ccdfebfb7cb69a8e4acb74de2f4fc4dc10b7216d0f06472a82c6730384cc4291e7ddb33be8db45610e9c74415785392847171cf85023c3678f105ff6823116

                              • \??\pipe\crashpad_1540_EQEXHLOQNLQGBXNS

                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e