Analysis

  • max time kernel
    136s
  • max time network
    124s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/04/2025, 00:02

General

  • Target

    alfa.exe

  • Size

    137KB

  • MD5

    510c893c3552e271cd3c407dae2c82b0

  • SHA1

    5a30f8ec0137a4f26d160a7ff48f6ebe7dafc383

  • SHA256

    d8bb97a2d453d659c9df7b10df2030f33dbc566da75184e312b148107ca906b0

  • SHA512

    2598a9064d7b6866b82d5a7d433c8e3cea7ea03e340d5f8fe80a3878e68b6b2fb4bb6159f6ed80a5a148a40059f282f78586af4682a452f830c4b7755ddd2a30

  • SSDEEP

    3072:aVvH8RuVrLyEj/S2CUGACcceJd/klDHa/R8mxu3s8QyPu:KH8RuRLlzgUd6a/AslyPu

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.

  • 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 2 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\alfa.exe
    "C:\Users\Admin\AppData\Local\Temp\alfa.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1988
    • 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
      • 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:4032
      • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffe6db6dcf8,0x7ffe6db6dd04,0x7ffe6db6dd10
        3⤵
          PID:2464
        • 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=1496,i,10546053020039888978,13637818350164649396,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2132 /prefetch:11
          3⤵
            PID:5188
          • 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=2096,i,10546053020039888978,13637818350164649396,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2092 /prefetch:2
            3⤵
              PID:4900
            • 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=2420,i,10546053020039888978,13637818350164649396,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2444 /prefetch:13
              3⤵
                PID:5028
              • 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=3276,i,10546053020039888978,13637818350164649396,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=3296 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:5072
              • 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=3316,i,10546053020039888978,13637818350164649396,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=3440 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:4976
              • 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=4344,i,10546053020039888978,13637818350164649396,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=4372 /prefetch:9
                3⤵
                • Uses browser remote debugging
                PID:6076
              • 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=4764,i,10546053020039888978,13637818350164649396,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=4704 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3976
              • 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=5344,i,10546053020039888978,13637818350164649396,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5356 /prefetch:14
                3⤵
                  PID:3380
                • 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,10546053020039888978,13637818350164649396,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5488 /prefetch:14
                  3⤵
                    PID:4504
                • 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:1436
                  • 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=0x240,0x244,0x248,0x23c,0x268,0x7ffe5ce7f208,0x7ffe5ce7f214,0x7ffe5ce7f220
                    3⤵
                      PID:4844
                    • 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=1864,i,4728737776749807123,9046885341813681770,262144 --variations-seed-version --mojo-platform-channel-handle=2164 /prefetch:11
                      3⤵
                        PID:276
                      • 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=2136,i,4728737776749807123,9046885341813681770,262144 --variations-seed-version --mojo-platform-channel-handle=2132 /prefetch:2
                        3⤵
                          PID:5776
                        • 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=2468,i,4728737776749807123,9046885341813681770,262144 --variations-seed-version --mojo-platform-channel-handle=2488 /prefetch:13
                          3⤵
                            PID:1560
                          • 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=3440,i,4728737776749807123,9046885341813681770,262144 --variations-seed-version --mojo-platform-channel-handle=3480 /prefetch:1
                            3⤵
                            • Uses browser remote debugging
                            PID:6140
                          • 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=3460,i,4728737776749807123,9046885341813681770,262144 --variations-seed-version --mojo-platform-channel-handle=3488 /prefetch:1
                            3⤵
                            • Uses browser remote debugging
                            PID:5156
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /c timeout /t 11 & rd /s /q "C:\ProgramData\vkng4" & exit
                          2⤵
                          • System Location Discovery: System Language Discovery
                          PID:6132
                          • C:\Windows\SysWOW64\timeout.exe
                            timeout /t 11
                            3⤵
                            • System Location Discovery: System Language Discovery
                            • Delays execution with timeout.exe
                            PID:4012
                      • 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:5060
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                          1⤵
                            PID:5568
                          • 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:3468

                            Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

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                            Downloads

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

                              Filesize

                              414B

                              MD5

                              4c7740ea9663e9dcb87aae7d46368ce7

                              SHA1

                              9ec4b1629d1e6342be792bd80e16521b79434667

                              SHA256

                              1c41fc8d859e1830a6b2a1203343b24be08dadfb343cc3402bc74e1054641820

                              SHA512

                              7fcb240b02f424267a8f0b70b1cb1be0e3f9bb33215902e5bebfc7756e9a09bc6a63073b93b0a6d4e826a1841568b3ee969c8065d6bfa3c8b830954edfbe3e32

                            • 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

                              78KB

                              MD5

                              0302fb9da35ca3d4d2b96858ca0331f5

                              SHA1

                              532f54f808717d032a0f017e47d39607e7751ef2

                              SHA256

                              1fe4b383753002082e2c80ec0b4844d826b2b17fa622bed40d7344fd8ff1bf1b

                              SHA512

                              fd430c84715a3819de7fa7f52ba36942941e110456f31d58e51d26cf7b67b9531c4db1bdcb07bb5e1bc19ab1453e06ce9ac28d420f9a885debc364193a5ed621

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

                              Filesize

                              280B

                              MD5

                              7fb3fa445a601487229c7cdc376dfd17

                              SHA1

                              44cad52edf339fcaa132e8e53325402b190101d8

                              SHA256

                              2f49d43250b5a1ee2e5cbbaf2ca97ae05a8dad5bd2df93495fe3f95ef0e493e9

                              SHA512

                              86f0852a8ed838c227f73149c22b315cd4cc0045716ef2170a493a52c8b9ce3efb5c9ea9a1a0a83e4fe07f7b5b32d7782935722695fcb33a378f5e33a970908f

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\3cedfb74d44f2e84198d23075aef16c34a668ceb\28482b1b-86f8-4651-b35b-504d5ac7596a\index-dir\the-real-index

                              Filesize

                              2KB

                              MD5

                              b80353fab4700fae4593c98b97973ae4

                              SHA1

                              243a43ed1e5eed81ba4fccd3d66d719790b83ed9

                              SHA256

                              a5ca7dc023de0686ee1e1a538fbc76c93d6143e39f0a9122fda56958118b7a93

                              SHA512

                              051148f81978e64468d98d64107fa9d9803a0d6e0daf4266039dab904283ba2d4d2db3c2f2aaec4c768da0abf9aa7283274ba849ef9bc587bb7aac480fbd12db

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\CacheStorage\3cedfb74d44f2e84198d23075aef16c34a668ceb\28482b1b-86f8-4651-b35b-504d5ac7596a\index-dir\the-real-index~RFe57cb01.TMP

                              Filesize

                              2KB

                              MD5

                              4fdaf5a4e6f8231fa4def4e26420e250

                              SHA1

                              ad7fe1c02a3acdf07da217e82995ca99abd78bce

                              SHA256

                              23216820948a75bef4a59d00e7227979d639179b5d6bdc78dacb5b8ee2af829f

                              SHA512

                              f2ba63fe6bee5ae7385b6d971227fe2f142b435afb9fbb35cbfce42259ef91f567c970458da8586cfd809eb5925c24d883124763c146b6ac37a74fc17777cb7c

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

                              Filesize

                              40KB

                              MD5

                              f9f76074ec51860534e6d92b54072505

                              SHA1

                              07fd5ce30bd4cdda06cdecbfaa1dd18b7175c09c

                              SHA256

                              13266737c3cae85c58a8f0a1ddc8593b914b4e5a5a3c6414a66b7077679c0fe6

                              SHA512

                              3e60b97a9257f2708716cfabfe4eb20b3dbb7d0c84f797ef2800f22867bf4a97e56092f070ab2f8137e3579d0f5684d05cffd60293bfac67f43a0200916dd6f6