Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/11/2024, 18:00

General

  • Target

    file.exe

  • Size

    6.8MB

  • MD5

    facce1c977e6ad7a85a601602af026a8

  • SHA1

    22b401eb9d7c1996c8830cd082f013b8db4b12a8

  • SHA256

    dfdc63994c85f7161e25a26b762835781ce5578c6a5b5c2839324fc7faa591d3

  • SHA512

    3b530cfdc84b42dd2413805b65f697bda70aeadfb4b058e55ac2ec21e6b2f55e6d9ff5e9a18d91e0508f35508841ede351d98f915a581bf649da6feb6366bbdc

  • SSDEEP

    49152:K4O/KlhMfZVTtu3zGUfEk/5QHdPKA3yCvhQ0F7QqlZeFhThKa9aK6bPcZ+HP7ke:K43MZVsztskBQ9PviC5nF/+3gKtZ+v

Malware Config

Signatures

  • Uses browser remote debugging 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • 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 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9222 --profile-directory="Default"
      2⤵
      • Uses browser remote debugging
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2956
      • 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:7 --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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef74f9758,0x7fef74f9768,0x7fef74f9778
        3⤵
          PID:2884
        • C:\Windows\system32\ctfmon.exe
          ctfmon.exe
          3⤵
            PID:2644
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1156 --field-trial-handle=1172,i,10119125382420808858,15305537469542780436,131072 /prefetch:2
            3⤵
              PID:2592
            • 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 --mojo-platform-channel-handle=1512 --field-trial-handle=1172,i,10119125382420808858,15305537469542780436,131072 /prefetch:8
              3⤵
                PID:1572
              • 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=utility --mojo-platform-channel-handle=1608 --field-trial-handle=1172,i,10119125382420808858,15305537469542780436,131072 /prefetch:8
                3⤵
                  PID:2140
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2104 --field-trial-handle=1172,i,10119125382420808858,15305537469542780436,131072 /prefetch:1
                  3⤵
                  • Uses browser remote debugging
                  PID:1980
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2112 --field-trial-handle=1172,i,10119125382420808858,15305537469542780436,131072 /prefetch:1
                  3⤵
                  • Uses browser remote debugging
                  PID:1756
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1300 --field-trial-handle=1172,i,10119125382420808858,15305537469542780436,131072 /prefetch:2
                  3⤵
                    PID:756
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9222 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2184 --field-trial-handle=1172,i,10119125382420808858,15305537469542780436,131072 /prefetch:1
                    3⤵
                    • Uses browser remote debugging
                    PID:468
                  • 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 --mojo-platform-channel-handle=1308 --field-trial-handle=1172,i,10119125382420808858,15305537469542780436,131072 /prefetch:8
                    3⤵
                      PID:796
                    • 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 --mojo-platform-channel-handle=3544 --field-trial-handle=1172,i,10119125382420808858,15305537469542780436,131072 /prefetch:8
                      3⤵
                        PID:1968
                    • C:\Users\Admin\AppData\Local\Temp\service123.exe
                      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
                      2⤵
                      • Executes dropped EXE
                      • Loads dropped DLL
                      PID:2448
                    • C:\Windows\SysWOW64\schtasks.exe
                      "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
                      2⤵
                      • System Location Discovery: System Language Discovery
                      • Scheduled Task/Job: Scheduled Task
                      PID:1956
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 784
                      2⤵
                      • Program crash
                      PID:1992
                  • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                    1⤵
                      PID:1216
                    • C:\Windows\system32\taskeng.exe
                      taskeng.exe {47025A0A-5D60-45ED-A4F8-7599F71E8816} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
                      1⤵
                        PID:1552
                        • C:\Users\Admin\AppData\Local\Temp\service123.exe
                          C:\Users\Admin\AppData\Local\Temp\/service123.exe
                          2⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          PID:2916

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                              Filesize

                              264KB

                              MD5

                              f50f89a0a91564d0b8a211f8921aa7de

                              SHA1

                              112403a17dd69d5b9018b8cede023cb3b54eab7d

                              SHA256

                              b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                              SHA512

                              bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\CURRENT

                              Filesize

                              16B

                              MD5

                              18e723571b00fb1694a3bad6c78e4054

                              SHA1

                              afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                              SHA256

                              8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                              SHA512

                              43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                            • memory/2408-0-0x0000000000980000-0x0000000001052000-memory.dmp

                              Filesize

                              6.8MB

                            • memory/2408-3-0x0000000069CC0000-0x000000006A71B000-memory.dmp

                              Filesize

                              10.4MB

                            • memory/2408-12-0x0000000000980000-0x0000000001052000-memory.dmp

                              Filesize

                              6.8MB

                            • memory/2408-73-0x0000000000980000-0x0000000001052000-memory.dmp

                              Filesize

                              6.8MB

                            • memory/2408-87-0x0000000000980000-0x0000000001052000-memory.dmp

                              Filesize

                              6.8MB

                            • memory/2448-89-0x0000000000B20000-0x0000000000B32000-memory.dmp

                              Filesize

                              72KB

                            • memory/2448-90-0x0000000074510000-0x0000000074644000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/2916-100-0x0000000000B20000-0x0000000000B32000-memory.dmp

                              Filesize

                              72KB