Analysis

  • max time kernel
    133s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2024, 14:17

General

  • Target
    e497c409e1b9c867aa8dbae410ab417b.exe
  • Size 637KB
  • Sample241029-rlpb1svmc1
  • SHA256 3c04339fa53eed7a5d39fefbdc8f42aff06b2a5651ff521a8a20b4eb28c8f176
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

Botnet
  • LogsDiller

C2
  • http://45.88.76.238

Attributes
  • url_path

    /3b55d279dd60140c.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Downloads MZ/PE file
  • Uses browser remote debugging 2 TTPs 9 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.

  • Loads dropped DLL 3 IoCs
  • 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 5 IoCs

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

  • Enumerates system info in registry 2 TTPs 8 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of FindShellTrayWindow 51 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e497c409e1b9c867aa8dbae410ab417b.exe
    "C:\Users\Admin\AppData\Local\Temp\e497c409e1b9c867aa8dbae410ab417b.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe" --remote-debugging-port=9229 --profile-directory="Default"
      2⤵
      • Uses browser remote debugging
      • 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:3268
      • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ff8e28dcc40,0x7ff8e28dcc4c,0x7ff8e28dcc58
        3⤵
          PID:4664
        • 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=1924,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1920 /prefetch:2
          3⤵
            PID:2876
          • 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=2164,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2172 /prefetch:3
            3⤵
              PID:2016
            • 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=2240,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2416 /prefetch:8
              3⤵
                PID:4476
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9229 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3172,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3192 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3728
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9229 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3196,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3240 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3068
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9229 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4336,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4556 /prefetch:1
                3⤵
                • Uses browser remote debugging
                PID:3192
              • 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=4780,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4412 /prefetch:8
                3⤵
                  PID:4992
                • 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=4804,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4816 /prefetch:8
                  3⤵
                    PID:3992
                  • 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=4816,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4328 /prefetch:8
                    3⤵
                      PID:780
                    • 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=4684,i,384963535846502234,650751965735061717,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4564 /prefetch:8
                      3⤵
                        PID:2436
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge.exe" --remote-debugging-port=9229 --profile-directory="Default"
                      2⤵
                      • Uses browser remote debugging
                      • Enumerates system info in registry
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
                      • Suspicious use of FindShellTrayWindow
                      PID:3176
                      • 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:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff8e35246f8,0x7ff8e3524708,0x7ff8e3524718
                        3⤵
                        • Checks processor information in registry
                        • Enumerates system info in registry
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4516
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2168,6257610063686119537,14320829620238369529,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
                        3⤵
                          PID:1688
                        • 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 --field-trial-handle=2168,6257610063686119537,14320829620238369529,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
                          3⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1728
                        • 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 --field-trial-handle=2168,6257610063686119537,14320829620238369529,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2776 /prefetch:8
                          3⤵
                            PID:5008
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --remote-debugging-port=9229 --field-trial-handle=2168,6257610063686119537,14320829620238369529,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3336 /prefetch:1
                            3⤵
                            • Uses browser remote debugging
                            PID:1256
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --remote-debugging-port=9229 --field-trial-handle=2168,6257610063686119537,14320829620238369529,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3348 /prefetch:1
                            3⤵
                            • Uses browser remote debugging
                            PID:2032
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --remote-debugging-port=9229 --field-trial-handle=2168,6257610063686119537,14320829620238369529,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4828 /prefetch:1
                            3⤵
                            • Uses browser remote debugging
                            PID:1588
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --remote-debugging-port=9229 --field-trial-handle=2168,6257610063686119537,14320829620238369529,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3776 /prefetch:1
                            3⤵
                            • Uses browser remote debugging
                            PID:3568
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2168,6257610063686119537,14320829620238369529,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2196 /prefetch:2
                            3⤵
                              PID:4676
                          • C:\Windows\SysWOW64\cmd.exe
                            "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\CAEHCFCBKK.exe"
                            2⤵
                            • System Location Discovery: System Language Discovery
                            PID:856
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 2352
                            2⤵
                            • Program crash
                            PID:1668
                        • 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:3160
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:5088
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3976 -ip 3976
                              1⤵
                                PID:3376

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    CAEHCFCBKK.exe

                                    • Path C:\ProgramData\CAEHCFCBKK.exe
                                    • Size 33KB
                                    • SHA256 6d878a094faeb3d751599cca45d092c911c9ae22810b208b5f245a3866d617da
                                    • MD5 SHA1 SHA512 SSDEEP

                                    chrome.dll

                                    • Path C:\ProgramData\chrome.dll
                                    • Size 676KB
                                    • SHA256 81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
                                    • MD5 SHA1 SHA512 SSDEEP

                                    mozglue.dll

                                    • Path C:\ProgramData\mozglue.dll
                                    • Size 593KB
                                    • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    nss3.dll

                                    • Path C:\ProgramData\nss3.dll
                                    • Size 2.0MB
                                    • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
                                    • MD5 SHA1 SHA512 SSDEEP

                                    BrowsingTopicsState

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                                    • Size 649B
                                    • SHA256 f0e5796ad1c045328e22daf1d80f6988d22e9452d621fe67ae581ab2d7474b9f
                                    • MD5 SHA1 SHA512

                                    SCT Auditing Pending Reports

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                    • Size 2B
                                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                    • MD5 SHA1 SHA512

                                    2987e81a-d19f-451b-8bd3-1a427e3c392a.dmp

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\reports\2987e81a-d19f-451b-8bd3-1a427e3c392a.dmp
                                    • Size 826KB
                                    • SHA256 ce494fef0bc4a5e15321585a94d29200561bdf661d4c749aded872737f6a83f0
                                    • MD5 SHA1 SHA512 SSDEEP

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 152B
                                    • SHA256 2962fc4463b16075ff7ba48e29e9bef7eb46a509fbaee4162275076e896b6a50
                                    • MD5 SHA1 SHA512

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 152B
                                    • SHA256 b214e3affb02a2ea4469a8bbdfa8a179e7cc57cababd83b4bafae9cdbe23fa33
                                    • MD5 SHA1 SHA512

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 152B
                                    • SHA256 915193bd331ee9ea7c750398a37fbb552b8c5a1d90edec6293688296bda6f304
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                    • Size 5KB
                                    • SHA256 c97fc96a1df041301efbfc69eaa04bb38cc331841f100131ab9452516378eadf
                                    • MD5 SHA1 SHA512 SSDEEP

                                    memory/3976-70-0x0000000000400000-0x00000000006ED000-memory.dmp

                                    memory/3976-68-0x0000000000400000-0x0000000002BA3000-memory.dmp

                                    memory/3976-69-0x00000000047B0000-0x000000000488A000-memory.dmp

                                    memory/3976-61-0x0000000002C40000-0x0000000002D40000-memory.dmp

                                    memory/3976-2-0x00000000047B0000-0x000000000488A000-memory.dmp

                                    memory/3976-152-0x0000000000400000-0x0000000002BA3000-memory.dmp

                                    memory/3976-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                                    memory/3976-1-0x0000000002C40000-0x0000000002D40000-memory.dmp

                                    memory/3976-3-0x0000000000400000-0x00000000006ED000-memory.dmp

                                    memory/3976-191-0x0000000000400000-0x00000000006ED000-memory.dmp

                                    memory/3976-190-0x0000000000400000-0x0000000002BA3000-memory.dmp