Resubmissions

09/03/2024, 01:40

240309-b3w57abc6210

09/03/2024, 01:37

240309-b14ggsbc3710

Analysis

  • max time kernel
    63s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/03/2024, 01:40

General

  • Target
    b9b70b4077ca44355b4850e19c6e17d6.dll
  • Size 2.1MB
  • Sample240309-b3w57abc62
  • SHA256 0a65e748685b606573e04e320955af33a9fc673b50c7dc4ca6a4d53d9235cfc1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 25 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9b70b4077ca44355b4850e19c6e17d6.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2176
  • C:\Windows\system32\mmc.exe
    C:\Windows\system32\mmc.exe
    1⤵
      PID:2908
    • C:\Users\Admin\AppData\Local\l2qFVh5\mmc.exe
      C:\Users\Admin\AppData\Local\l2qFVh5\mmc.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2036
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:1712
      • C:\Windows\system32\Dxpserver.exe
        C:\Windows\system32\Dxpserver.exe
        1⤵
          PID:1820
        • C:\Users\Admin\AppData\Local\SlhxT8fmx\Dxpserver.exe
          C:\Users\Admin\AppData\Local\SlhxT8fmx\Dxpserver.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1864
        • C:\Windows\system32\OptionalFeatures.exe
          C:\Windows\system32\OptionalFeatures.exe
          1⤵
            PID:1352
          • C:\Users\Admin\AppData\Local\ChgXHc5\OptionalFeatures.exe
            C:\Users\Admin\AppData\Local\ChgXHc5\OptionalFeatures.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Checks whether UAC is enabled
            PID:1096
          • C:\Windows\system32\SearchIndexer.exe
            C:\Windows\system32\SearchIndexer.exe /Embedding
            1⤵
            • Modifies data under HKEY_USERS
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1224
            • C:\Windows\system32\SearchProtocolHost.exe
              "C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe_S-1-5-21-406356229-2805545415-1236085040-10001_ Global\UsGthrCtrlFltPipeMssGthrPipe_S-1-5-21-406356229-2805545415-1236085040-10001 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" "1"
              2⤵
              • Suspicious use of SetWindowsHookEx
              PID:2088
            • C:\Windows\system32\SearchFilterHost.exe
              "C:\Windows\system32\SearchFilterHost.exe" 0 512 516 524 65536 520
              2⤵
                PID:1748
              • C:\Windows\system32\SearchProtocolHost.exe
                "C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe2_ Global\UsGthrCtrlFltPipeMssGthrPipe2 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"
                2⤵
                • Modifies data under HKEY_USERS
                • Suspicious use of SetWindowsHookEx
                PID:2864
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe"
              1⤵
              • Enumerates system info in registry
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              • Suspicious use of WriteProcessMemory
              PID:2168
              • 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,0x7fef4d49758,0x7fef4d49768,0x7fef4d49778
                2⤵
                  PID:3052
                • 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=1188 --field-trial-handle=1252,i,9529194864623722528,15657219600499382656,131072 /prefetch:2
                  2⤵
                    PID:2588
                  • 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=1524 --field-trial-handle=1252,i,9529194864623722528,15657219600499382656,131072 /prefetch:8
                    2⤵
                      PID:2524
                    • 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=1616 --field-trial-handle=1252,i,9529194864623722528,15657219600499382656,131072 /prefetch:8
                      2⤵
                        PID:2416
                      • 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 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2112 --field-trial-handle=1252,i,9529194864623722528,15657219600499382656,131072 /prefetch:1
                        2⤵
                          PID:588
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2316 --field-trial-handle=1252,i,9529194864623722528,15657219600499382656,131072 /prefetch:1
                          2⤵
                            PID:268
                          • 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=1496 --field-trial-handle=1252,i,9529194864623722528,15657219600499382656,131072 /prefetch:2
                            2⤵
                              PID:2828
                            • 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=2264 --field-trial-handle=1252,i,9529194864623722528,15657219600499382656,131072 /prefetch:2
                              2⤵
                                PID:2956
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=2188 --field-trial-handle=1252,i,9529194864623722528,15657219600499382656,131072 /prefetch:1
                                2⤵
                                  PID:1768
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3856 --field-trial-handle=1252,i,9529194864623722528,15657219600499382656,131072 /prefetch:8
                                  2⤵
                                    PID:2476
                                • 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:1612

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        MSS.log

                                        • Path C:\ProgramData\Microsoft\Search\Data\Applications\Windows\MSS.log
                                        • Size 1024KB
                                        • SHA256 8ae38ecb80d0bb15f325b95e09be64235f7bed0e7e4d00293c7eda2c0a9390e6
                                        • MD5 SHA1 SHA512 SSDEEP

                                        OptionalFeatures.exe

                                        • Path C:\Users\Admin\AppData\Local\ChgXHc5\OptionalFeatures.exe
                                        • Size 95KB
                                        • SHA256 01feebd3aca961f31ba4eac45347b105d1c5772627b08f5538047721b61ff9bc
                                        • MD5 SHA1 SHA512 SSDEEP

                                        appwiz.cpl

                                        • Path C:\Users\Admin\AppData\Local\ChgXHc5\appwiz.cpl
                                        • Size 281KB
                                        • SHA256 27dbf39c418fc91e9336c888f9caa159586c020a1df0d69ff36e2602f696463e
                                        • MD5 SHA1 SHA512 SSDEEP

                                        data_1

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
                                        • Size 264KB
                                        • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Network Persistent State

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                        • Size 986B
                                        • SHA256 f9615637351792a6ca7a9572e0e3931ff1e7e0e2401ab45de12a14ba2c364c00
                                        • MD5 SHA1 SHA512

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                        • Size 4KB
                                        • SHA256 d2640d62223a1a99216c81a3f85b4f74aa694f8eff518c0f8b535b3132acc6f4
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Preferences

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                        • Size 4KB
                                        • SHA256 d010c532f3a6834ddba704405c320618275ea3d1aed72692e71a689716fe5faf
                                        • MD5 SHA1 SHA512 SSDEEP

                                        000007.dbtmp

                                        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp
                                        • Size 16B
                                        • SHA256 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
                                        • MD5 SHA1 SHA512

                                        StructuredQuerySchema.bin

                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\1033\StructuredQuerySchema.bin
                                        • Size 292KB
                                        • SHA256 29bbdf534e97add374f41c9a2e5a1a34952b8eac501f1a8828f5999e7e0d79f7
                                        • MD5 SHA1 SHA512 SSDEEP

                                        XmlLite.dll

                                        • Path C:\Users\Admin\AppData\Local\SlhxT8fmx\XmlLite.dll
                                        • Size 2.1MB
                                        • SHA256 d52a7042c61df061d9bfa4c0b21db01d52fd89e7c3ba4c537e6782e9ff761ccd
                                        • MD5 SHA1 SHA512 SSDEEP

                                        DUser.dll

                                        • Path C:\Users\Admin\AppData\Local\l2qFVh5\DUser.dll
                                        • Size 2.1MB
                                        • SHA256 d69ace6ee04e348481add30b2be288d3b2ae8d639f7760963d46faad325c2629
                                        • MD5 SHA1 SHA512 SSDEEP

                                        mmc.exe

                                        • Path C:\Users\Admin\AppData\Local\l2qFVh5\mmc.exe
                                        • Size 2.0MB
                                        • SHA256 b212e59e4c7fe77f6f189138d9d8b151e50eb83a35d6eadfb1e4bb0b4262c484
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Jsonhdwp.lnk

                                        • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Jsonhdwp.lnk
                                        • Size 1KB
                                        • SHA256 44fdd76ad65574a94dc170b93c3143c455a88b5f363dc0992850806949411129
                                        • MD5 SHA1 SHA512

                                        appwiz.cpl

                                        • Path \Users\Admin\AppData\Local\ChgXHc5\appwiz.cpl
                                        • Size 2.1MB
                                        • SHA256 0ca2b60e9f44563f477d672755496f982646fe6004d5271b243526083b423f06
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Dxpserver.exe

                                        • Path \Users\Admin\AppData\Local\SlhxT8fmx\Dxpserver.exe
                                        • Size 259KB
                                        • SHA256 070bc95c486c15d2edc3548ba416dc9565ead401cb03a0472f719fb55ac94e73
                                        • MD5 SHA1 SHA512 SSDEEP

                                        memory/1096-119-0x00000000000F0000-0x00000000000F7000-memory.dmp

                                        memory/1360-24-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-50-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-4-0x0000000077AF6000-0x0000000077AF7000-memory.dmp

                                        memory/1360-22-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-23-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-26-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-25-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-27-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-29-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-30-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-28-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-31-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-33-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-32-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-34-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-35-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-36-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-37-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-38-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-39-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-40-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-41-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-42-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-43-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-44-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-45-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-46-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-47-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-49-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-48-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-51-0x0000000002580000-0x0000000002587000-memory.dmp

                                        memory/1360-21-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-58-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-59-0x0000000077C01000-0x0000000077C02000-memory.dmp

                                        memory/1360-62-0x0000000077D60000-0x0000000077D62000-memory.dmp

                                        memory/1360-65-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-71-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-20-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-19-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-5-0x00000000025C0000-0x00000000025C1000-memory.dmp

                                        memory/1360-18-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-17-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-7-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-13-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-16-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-15-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-14-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-141-0x0000000077AF6000-0x0000000077AF7000-memory.dmp

                                        memory/1360-12-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-10-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-11-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1360-9-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/1748-367-0x000007FEEED90000-0x000007FEEEED3000-memory.dmp

                                        memory/1748-368-0x000007FF50810000-0x000007FF5081A000-memory.dmp

                                        memory/1748-401-0x000007FF50810000-0x000007FF5081A000-memory.dmp

                                        memory/1748-400-0x000007FEEED90000-0x000007FEEEED3000-memory.dmp

                                        memory/1864-101-0x0000000000080000-0x0000000000087000-memory.dmp

                                        memory/2036-84-0x0000000000150000-0x0000000000157000-memory.dmp

                                        memory/2176-8-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/2176-1-0x0000000140000000-0x0000000140211000-memory.dmp

                                        memory/2176-0-0x0000000000110000-0x0000000000117000-memory.dmp