Analysis

  • max time kernel
    132s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250411-en
  • resource tags

    arch:x64arch:x86image:win11-20250411-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/04/2025, 00:07

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 15 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:5232
    • 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:5916
      • 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,0x100,0x104,0xd8,0x108,0x7ffbf4d1dcf8,0x7ffbf4d1dd04,0x7ffbf4d1dd10
        3⤵
          PID:3844
        • 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=2024,i,563415450019523832,7015737814335353288,262144 --variations-seed-version=20250410-184111.240000 --mojo-platform-channel-handle=1960 /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=1488,i,563415450019523832,7015737814335353288,262144 --variations-seed-version=20250410-184111.240000 --mojo-platform-channel-handle=2132 /prefetch:11
            3⤵
              PID:5092
            • 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=2376,i,563415450019523832,7015737814335353288,262144 --variations-seed-version=20250410-184111.240000 --mojo-platform-channel-handle=2392 /prefetch:13
              3⤵
                PID:4496
              • 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=3148,i,563415450019523832,7015737814335353288,262144 --variations-seed-version=20250410-184111.240000 --mojo-platform-channel-handle=3388 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:2136
              • 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=3156,i,563415450019523832,7015737814335353288,262144 --variations-seed-version=20250410-184111.240000 --mojo-platform-channel-handle=3420 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3716
              • 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=4268,i,563415450019523832,7015737814335353288,262144 --variations-seed-version=20250410-184111.240000 --mojo-platform-channel-handle=3880 /prefetch:9
                3⤵
                • Uses browser remote debugging
                PID:5460
              • 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=4784,i,563415450019523832,7015737814335353288,262144 --variations-seed-version=20250410-184111.240000 --mojo-platform-channel-handle=4808 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:5596
              • 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=5280,i,563415450019523832,7015737814335353288,262144 --variations-seed-version=20250410-184111.240000 --mojo-platform-channel-handle=5332 /prefetch:14
                3⤵
                  PID:2176
                • 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=5416,i,563415450019523832,7015737814335353288,262144 --variations-seed-version=20250410-184111.240000 --mojo-platform-channel-handle=5428 /prefetch:14
                  3⤵
                    PID:1244
                • 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:4996
                  • 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,0x250,0x7ffbe423f208,0x7ffbe423f214,0x7ffbe423f220
                    3⤵
                      PID:1248
                    • 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=2100,i,4717986733223655875,4861636590074640772,262144 --variations-seed-version --mojo-platform-channel-handle=2124 /prefetch:2
                      3⤵
                        PID:5592
                      • 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=1860,i,4717986733223655875,4861636590074640772,262144 --variations-seed-version --mojo-platform-channel-handle=2164 /prefetch:11
                        3⤵
                          PID:3524
                        • 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=2392,i,4717986733223655875,4861636590074640772,262144 --variations-seed-version --mojo-platform-channel-handle=3136 /prefetch:13
                          3⤵
                            PID:3548
                          • 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=3444,i,4717986733223655875,4861636590074640772,262144 --variations-seed-version --mojo-platform-channel-handle=3524 /prefetch:1
                            3⤵
                            • Uses browser remote debugging
                            PID:4176
                          • 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=3452,i,4717986733223655875,4861636590074640772,262144 --variations-seed-version --mojo-platform-channel-handle=3528 /prefetch:1
                            3⤵
                            • Uses browser remote debugging
                            PID:3796
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /c timeout /t 11 & rd /s /q "C:\ProgramData\iw479" & exit
                          2⤵
                          • System Location Discovery: System Language Discovery
                          PID:2440
                          • C:\Windows\SysWOW64\timeout.exe
                            timeout /t 11
                            3⤵
                            • System Location Discovery: System Language Discovery
                            • Delays execution with timeout.exe
                            PID:4716
                      • 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:8
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                          1⤵
                            PID:5536
                          • 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:5188

                            Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

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

                              Filesize

                              414B

                              MD5

                              6100224d539ec5c95f3731094844647d

                              SHA1

                              609c2961e4278bda65e7acbb1c062c52097219e3

                              SHA256

                              e0c19cba6114f0e0b22de10199ff4345bb4ac6aac4051ca8f2e433b67d3acd37

                              SHA512

                              595a88a3d6a9278c922713492c2291d876a56a22d9ead50150107b3bb1e62cabb9174c4b8035b24903de9cb6a4ec28ad1d0dfe1e9814a319d08e89ecdc485b27

                            • 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

                              79KB

                              MD5

                              f6c772cefef70b2bff4f4323364c99a6

                              SHA1

                              8718f063674df14237f982ccc239354f5b56cef2

                              SHA256

                              cd8e68441eb03a4dd345c39eb9909b5f730248089f8f8c509830dfcf7a2a54c3

                              SHA512

                              8f1d0ec835cc064d7b11fb92197cf7dec8f843b11046f41d9cebe93912a5a0ed0074f6cec0c35c80eff5d7538581c026f50df1ab2307af5d656c6a3aba06983d

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

                              Filesize

                              280B

                              MD5

                              f0a264821ad56f587ef8a5f5000b3cbd

                              SHA1

                              fa8ccbacc8036038543f20fea54b289f0b4fc0f8

                              SHA256

                              4a198d269b94f672544ed22c86c64f30b4e6fb3db8c4ffbde13759c6e16a2e48

                              SHA512

                              91f708803cc29b551649f039a8579c122f850698b580335813f90b9993a0b6b132ba119185f845666ddaaca5aa255ed14f3a0b34c8cccdd95ac24e0c53574117

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

                              Filesize

                              40KB

                              MD5

                              607fe914d36092c57b25eb2a56989dc9

                              SHA1

                              ff60d6ce3c41979861df24d74d783f087d14f86f

                              SHA256

                              8c6f6ac7a9f49a318c339d186371007f0e8cfb557f191aaa601bf6b904a26720

                              SHA512

                              85969e42dd331649bfe4ac1fe5216ced3b7b35ef992ff1be3c949869f5a4d72100f463be1f8925fc2395791dbb28038c7ed42da5c468c12f0a478677317806ef