Analysis

  • max time kernel
    136s
  • 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, 12:07

General

  • Target

    rihuata-main/kalrtotypadjeee.exe

  • Size

    137KB

  • MD5

    e08490aaa588933433f6b7d3ffbae613

  • SHA1

    2b4d7cf90e3e9b41f070194bc6dd811ef60014d4

  • SHA256

    0476c1b47571e408cdaeae24a30e481fc0955989e64791e505f7de6d391c1048

  • SHA512

    8c67fd88a91314594137dc50a4e81deb96ffb093469cc6b04ca3c4b7e62e6f41b3dd40c47924937fbca202144958068e6c4d0b258ec4469b7f536bb37142f7c9

  • SSDEEP

    3072:aVvH8RuVrLyEj/S2CUGACcceJd/klDHa/R8mxu3s8QZqu:KH8RuRLlzgUd6a/AslZqu

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\kalrtotypadjeee.exe
    "C:\Users\Admin\AppData\Local\Temp\rihuata-main\kalrtotypadjeee.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:872
    • 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:5980
      • 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=0x21c,0x220,0x224,0x90,0x228,0x7ff89f86dcf8,0x7ff89f86dd04,0x7ff89f86dd10
        3⤵
          PID:2880
        • 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=2004,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=1996 /prefetch:2
          3⤵
            PID:4952
          • 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=2260,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2268 /prefetch:3
            3⤵
              PID:4980
            • 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=2412,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=2572 /prefetch:8
              3⤵
                PID:4864
              • 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=3256,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=3092 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:5408
              • 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=3264,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=3284 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:5112
              • 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=4296,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4328 /prefetch:2
                3⤵
                • Uses browser remote debugging
                PID:5128
              • 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=3896,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=4736 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:2056
              • 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=5348,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5364 /prefetch:8
                3⤵
                  PID:2440
                • 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=5592,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5608 /prefetch:8
                  3⤵
                    PID:1684
                  • 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=5372,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5624 /prefetch:8
                    3⤵
                      PID:3036
                    • 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=5608,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5584 /prefetch:8
                      3⤵
                        PID:4584
                      • 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=5712,i,17533412067329505946,14713086483838017983,262144 --variations-seed-version=20250313-182214.581000 --mojo-platform-channel-handle=5616 /prefetch:8
                        3⤵
                          PID:2100
                      • 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:4012
                        • 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,0x260,0x274,0x7ff89dcef208,0x7ff89dcef214,0x7ff89dcef220
                          3⤵
                            PID:1500
                          • 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=1892,i,7219250154775225210,16343176773337504644,262144 --variations-seed-version --mojo-platform-channel-handle=2184 /prefetch:3
                            3⤵
                              PID:2296
                            • 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=2156,i,7219250154775225210,16343176773337504644,262144 --variations-seed-version --mojo-platform-channel-handle=2152 /prefetch:2
                              3⤵
                                PID:5788
                              • 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=2480,i,7219250154775225210,16343176773337504644,262144 --variations-seed-version --mojo-platform-channel-handle=2732 /prefetch:8
                                3⤵
                                  PID:328
                                • 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=3512,i,7219250154775225210,16343176773337504644,262144 --variations-seed-version --mojo-platform-channel-handle=3532 /prefetch:1
                                  3⤵
                                  • Uses browser remote debugging
                                  PID:388
                                • 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=3516,i,7219250154775225210,16343176773337504644,262144 --variations-seed-version --mojo-platform-channel-handle=3584 /prefetch:1
                                  3⤵
                                  • Uses browser remote debugging
                                  PID:5936
                              • C:\Windows\SysWOW64\cmd.exe
                                "C:\Windows\system32\cmd.exe" /c timeout /t 11 & rd /s /q "C:\ProgramData\c2vsr" & exit
                                2⤵
                                • System Location Discovery: System Language Discovery
                                PID:2384
                                • C:\Windows\SysWOW64\timeout.exe
                                  timeout /t 11
                                  3⤵
                                  • System Location Discovery: System Language Discovery
                                  • Delays execution with timeout.exe
                                  PID:4492
                            • 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:5696
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:5236
                                • 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:1628

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

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

                                    Filesize

                                    649B

                                    MD5

                                    9fa6a1438dabcbe0b653cfb4aec68139

                                    SHA1

                                    3ca34755f4f6d11d7638a834fbb91bb713c3dd45

                                    SHA256

                                    7312f292af7696735b831153703e32e1954205a24a9e3c1a188f715de333460c

                                    SHA512

                                    03e507871d4dd30d4152e1ec665df32359023192d90a5f4898731fbdbd7da6d3cddf57b051e9b587a4f0e17738d7bc5fe31871a8c86c79c9aad0e55c2dae8b6a

                                  • 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

                                    187dba6088000a301bebed4a21aae651

                                    SHA1

                                    908d0fa0486bb8145f7ec1fa6440f13b3951dad6

                                    SHA256

                                    43ab5fd35c087dcc06fa828eacb0be18b8f5e98c013ade861b94ded53f6b211a

                                    SHA512

                                    0a2da765404af19b3c2770c246bbfcc5b2cce1cb64e6d228db6afc8b15bade2087c9225d54e4912917d98c28a0efaa5042bddf8639a6b0c78c1095c122d838a4

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

                                    Filesize

                                    280B

                                    MD5

                                    9a1d48286ce97f5ce9bb99ff9b214ed5

                                    SHA1

                                    f185dae5f66c2d622bd1fefeaa30223f737a67e7

                                    SHA256

                                    0cf61088061592d94572c01fc6e6009cca561f2c3fdaacf76b6895964ad6e7a9

                                    SHA512

                                    d1125f928650766c4fa2f12e614cd2f6de47b650cd56e8770e91cedff4edd03bea4229c9962dfc4778c2e55a7e39a959fb61cc16f4689830c157c93dd6934e0a

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\3cedfb74d44f2e84198d23075aef16c34a668ceb\182a2c66-5fd7-422f-a6d9-ec6fd331b19f\index-dir\the-real-index

                                    Filesize

                                    1KB

                                    MD5

                                    fef99e8fbdb0e8de928f405ec63b5f84

                                    SHA1

                                    c5fef778576e7dabc95a52ed0bac7c67a5c00f1e

                                    SHA256

                                    df4b9d90b9fc4cbe8e8547060ca379c4bfd45cd9ed268b29f4cad54074901e8c

                                    SHA512

                                    9e28a4d67ae646c2ee72e1200ddd3f8fb68652bc01f5c925e5f5d069f6eb678970b3a09d827732574caccf62808d0679aa9c046ae0e7ba691a78403f4f415cea

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\3cedfb74d44f2e84198d23075aef16c34a668ceb\182a2c66-5fd7-422f-a6d9-ec6fd331b19f\index-dir\the-real-index~RFe57c8fd.TMP

                                    Filesize

                                    1KB

                                    MD5

                                    c88c046359a922b4ceb50fb58df86156

                                    SHA1

                                    afd42a9c4d5492a39da69315f59cd7c578d95eac

                                    SHA256

                                    dd93812def94471271e120e96fb99b348d5e61801a5a9294a99d2683a1c66586

                                    SHA512

                                    5358ed82e8a38e0725dc8b28dbb9c695a480f8cd91fd89f44a1db2501328237e4e781b71650656d894440179338fcc54632fadcb9be63648943b8bb3f738b501

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\f7a8ea8d-203a-4340-9c32-de629c507d1d.tmp

                                    Filesize

                                    1B

                                    MD5

                                    5058f1af8388633f609cadb75a75dc9d

                                    SHA1

                                    3a52ce780950d4d969792a2559cd519d7ee8c727

                                    SHA256

                                    cdb4ee2aea69cc6a83331bbe96dc2caa9a299d21329efb0336fc02a82e1839a8

                                    SHA512

                                    0b61241d7c17bcbb1baee7094d14b7c451efecc7ffcbd92598a0f13d313cc9ebc2a07e61f007baf58fbf94ff9a8695bdd5cae7ce03bbf1e94e93613a00f25f21

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

                                    Filesize

                                    40KB

                                    MD5

                                    e5d81384c4851d9a8e4d8055cdd9efe6

                                    SHA1

                                    f2399280b20777418b97c85008eea986d90a9015

                                    SHA256

                                    0dd146794482f5e9660bc8eab2c0f7f7d13b5c0977c6647e21d0fbea62bf0d57

                                    SHA512

                                    a6615fa1aa8df215d057bcf0a5d370fb8cfe95478e5313f9d8eebd3c35b7a0305f9eb92e5ae2ebdc1b64b09afce0241b428094bee0eda1c6019d35cd3e6976d9