Analysis

  • max time kernel
    131s
  • max time network
    152s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    05/04/2025, 12:08

General

  • Target

    rihuata-main/bobobopepep.exe

  • Size

    137KB

  • MD5

    eef0cf1e11cb3f28d745ea4147fc6d90

  • SHA1

    da5e2f874cde6c4e8fa39acc0b4006fe97030881

  • SHA256

    a4f6c7683dfaf5495456684359e73c8decdac1435ab742763ad1fe7260f775b9

  • SHA512

    0b79b6cc0bb84011b5d0b80251a83188682e057d58c9c700886eb482d491d4593b1891dcd840f3fefe164adefae9f3641e2f03372390efba926e12581df8789b

  • SSDEEP

    3072:aVvH8RuVrLyEj/S2CUGACcceJd/klDHa/R8mxu3s8Qrqu:KH8RuRLlzgUd6a/Aslrqu

Malware Config

Signatures

  • Uses browser remote debugging 2 TTPs 8 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rihuata-main\bobobopepep.exe
    "C:\Users\Admin\AppData\Local\Temp\rihuata-main\bobobopepep.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:6036
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9223 --profile-directory="Default"
      2⤵
      • Uses browser remote debugging
      • Drops file in Windows directory
      • Checks processor information in registry
      • 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 WriteProcessMemory
      PID:6076
      • 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=133.0.6943.60 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ffd85c9dcf8,0x7ffd85c9dd04,0x7ffd85c9dd10
        3⤵
          PID:2228
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=2020,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2016 /prefetch:2
          3⤵
            PID:4924
          • 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 --string-annotations --field-trial-handle=1652,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2200 /prefetch:3
            3⤵
              PID:4892
            • 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 --string-annotations --field-trial-handle=2452,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2396 /prefetch:8
              3⤵
                PID:4828
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9223 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3056,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2852 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:4844
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9223 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=2668,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=3048 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:4636
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --extension-process --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9223 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4260,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4280 /prefetch:2
                3⤵
                • Uses browser remote debugging
                PID:5284
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9223 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4620,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4704 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:4948
              • 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 --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5272,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5280 /prefetch:8
                3⤵
                  PID:5044
                • 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 --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5504,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5532 /prefetch:8
                  3⤵
                    PID:5040
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5524,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5576 /prefetch:8
                    3⤵
                      PID:2568
                    • 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 --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5348,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5320 /prefetch:8
                      3⤵
                        PID:4740
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5564,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5692 /prefetch:8
                        3⤵
                          PID:2116
                        • 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 --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5584,i,11926379070778684284,13669274197585220044,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5716 /prefetch:8
                          3⤵
                            PID:4860
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --remote-debugging-port=9223 --profile-directory="Default"
                          2⤵
                          • Uses browser remote debugging
                          • Drops file in Windows directory
                          • Enumerates system info in registry
                          • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
                          • Suspicious use of FindShellTrayWindow
                          PID:5072
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x264,0x268,0x26c,0x260,0x274,0x7ffd7a78f208,0x7ffd7a78f214,0x7ffd7a78f220
                            3⤵
                              PID:4760
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --always-read-main-dll --field-trial-handle=1928,i,2248011182959264782,7561623737736815839,262144 --variations-seed-version --mojo-platform-channel-handle=2316 /prefetch:3
                              3⤵
                                PID:764
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=2280,i,2248011182959264782,7561623737736815839,262144 --variations-seed-version --mojo-platform-channel-handle=2276 /prefetch:2
                                3⤵
                                  PID:3900
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=2452,i,2248011182959264782,7561623737736815839,262144 --variations-seed-version --mojo-platform-channel-handle=2444 /prefetch:8
                                  3⤵
                                    PID:3912
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --pdf-upsell-enabled --remote-debugging-port=9223 --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --field-trial-handle=3456,i,2248011182959264782,7561623737736815839,262144 --variations-seed-version --mojo-platform-channel-handle=3540 /prefetch:1
                                    3⤵
                                    • Uses browser remote debugging
                                    PID:2288
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --instant-process --pdf-upsell-enabled --remote-debugging-port=9223 --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --field-trial-handle=3464,i,2248011182959264782,7561623737736815839,262144 --variations-seed-version --mojo-platform-channel-handle=3544 /prefetch:1
                                    3⤵
                                    • Uses browser remote debugging
                                    PID:5756
                                • C:\Windows\SysWOW64\cmd.exe
                                  "C:\Windows\system32\cmd.exe" /c timeout /t 11 & rd /s /q "C:\ProgramData\ukn7g" & exit
                                  2⤵
                                  • System Location Discovery: System Language Discovery
                                  PID:3776
                                  • C:\Windows\SysWOW64\timeout.exe
                                    timeout /t 11
                                    3⤵
                                    • System Location Discovery: System Language Discovery
                                    • Delays execution with timeout.exe
                                    PID:1064
                              • C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
                                "C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
                                1⤵
                                  PID:1132
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                  1⤵
                                    PID:4172
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe"
                                    1⤵
                                      PID:4456

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

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

                                      Filesize

                                      649B

                                      MD5

                                      5c59439af3df2eae9c09b8a99be42fd6

                                      SHA1

                                      b149704e3a7ee3141cc17c43e379793d43096f13

                                      SHA256

                                      010dad368300e8dad2adb27fe8d396eefd3fb69f56fa2b916b4a45534d39eac4

                                      SHA512

                                      7e0d46fd60527ac47cf93b87e5fd0957602631e06b7ebfe11810b0b5d5c154fe3194af19a326e2b5008e6f929641f36b8d95a3648f4c92da9b9c924a3ab61af7

                                    • 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\Local State

                                      Filesize

                                      80KB

                                      MD5

                                      a817172eff0794d66765a370faba7bac

                                      SHA1

                                      8747a926c74ae2af76596fa42b21bfe8a1510c3a

                                      SHA256

                                      72ff1090dd00ff6993ad91fa8186ff861cdfcf424f547f437d5cb19448db4a89

                                      SHA512

                                      888cbc292571e4562fdf982b184a6162bf743a70375a6ee673f6897d5b2caf8180d0d40cc5a75618601f2f46660944d4ff7e37a389bb64f971f8986ee56d84a0

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                      Filesize

                                      280B

                                      MD5

                                      0a33713f4320be61de2679c1a601e60e

                                      SHA1

                                      a0b7dea51f371e0a7766cdcc6463c7ee9509c94e

                                      SHA256

                                      c2bb2ec86ba57e4a72b66cc3d6bfae3337b86514f71e55833e987783f704193f

                                      SHA512

                                      3326c7e4df151133806d285d4d43da08d2d9cc6bc15d9645f25b31f127edf0d32af03f3d236622a56e573e7ead2a158a40813d6156e5f375413d808a248972e0

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\020fdfcd-a0f5-4870-b25c-872268e5b99f.tmp

                                      Filesize

                                      1B

                                      MD5

                                      5058f1af8388633f609cadb75a75dc9d

                                      SHA1

                                      3a52ce780950d4d969792a2559cd519d7ee8c727

                                      SHA256

                                      cdb4ee2aea69cc6a83331bbe96dc2caa9a299d21329efb0336fc02a82e1839a8

                                      SHA512

                                      0b61241d7c17bcbb1baee7094d14b7c451efecc7ffcbd92598a0f13d313cc9ebc2a07e61f007baf58fbf94ff9a8695bdd5cae7ce03bbf1e94e93613a00f25f21

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\IndexedDB\https_ntp.msn.com_0.indexeddb.leveldb\CURRENT

                                      Filesize

                                      16B

                                      MD5

                                      46295cac801e5d4857d09837238a6394

                                      SHA1

                                      44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                      SHA256

                                      0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                      SHA512

                                      8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\3cedfb74d44f2e84198d23075aef16c34a668ceb\index.txt

                                      Filesize

                                      325B

                                      MD5

                                      ea447530c18af0e566642ffd0eadfed2

                                      SHA1

                                      c961dd9cab69e289560c480c2b3e369d5cdb9e85

                                      SHA256

                                      fa4f74f8dcd0bf5cc22656b851d68e2f14ee339f44968cce88aad894654d0253

                                      SHA512

                                      84f164630a42ef20794d2dabe24ae6396d0d39fe1939e28570b3f96d97b088a8b8b7a32a5cecea1f0f92552ae83e83dd19e57d917d4846a7bbe48a9102443241

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                      Filesize

                                      40KB

                                      MD5

                                      17e7f0191f54379aa6fb54bf069f67c0

                                      SHA1

                                      dd0d5b28ef993e588d0867ded6ffa24dc7eece2e

                                      SHA256

                                      ab5f2cb08bc7808722fab83adccdf6dd7b50dc91b5c4951603754e356d604020

                                      SHA512

                                      bcf436e6c14d8503c4d526042f36423dbc77e048a6abc77cebf8087748e2d56e4c5c397d2961231c0627fd556ce23ffaa569abee41a9ca17bf0d9bb9a4f029d5