Analysis

  • max time kernel
    33s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 18:18

General

  • Target

    EMANNN.exe

  • Size

    55KB

  • MD5

    6bc49cb82d9f92f4a70cf4c84265c26f

  • SHA1

    87f69c48c84f9a701b6800762c69c95dfd181273

  • SHA256

    925364c585429e6ae064c4db9c7bf30db036debed7b1f403efc60ea6990da4bf

  • SHA512

    3d1f055ec378e244c239debc9832bbd6f56a1b3cb27fa009380a728e769ad870272d90cc940d269a3f985c333380b43eedb4c5d1fbe8be57bd67749bc9419d0c

  • SSDEEP

    1536:k+mIDn/NOryWhI0DtwsNMDmXExI3pmjm:SIDnE+v0DtwsNMDmXExI3pm

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EMANNN.exe
    "C:\Users\Admin\AppData\Local\Temp\EMANNN.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:320
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /delete /tn CleanSweepCheck /f
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1672
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\EMANNN.exe"
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:2616
      • C:\Windows\SysWOW64\PING.EXE
        ping 0 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2744
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1928
    • 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,0x7fefaec9758,0x7fefaec9768,0x7fefaec9778
      2⤵
        PID:1704
      • 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=1192 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:2
        2⤵
          PID:2384
        • 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=1532 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:8
          2⤵
            PID:2652
          • 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=1624 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:8
            2⤵
              PID:1624
            • 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=2284 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:1
              2⤵
                PID:2344
              • 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=2296 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:1
                2⤵
                  PID:1472
                • 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=1440 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:2
                  2⤵
                    PID:584
                  • 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=8 --mojo-platform-channel-handle=1432 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:1
                    2⤵
                      PID:2204
                    • 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=3324 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:8
                      2⤵
                        PID:2328
                      • 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=3080 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:8
                        2⤵
                          PID:1072
                        • 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=3628 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:8
                          2⤵
                            PID:2596
                          • 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=3852 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:8
                            2⤵
                              PID:1936
                            • 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=2824 --field-trial-handle=1332,i,9755490034395616860,6209982669773475762,131072 /prefetch:8
                              2⤵
                                PID:2556
                            • 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:1572

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              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\Preferences

                                Filesize

                                4KB

                                MD5

                                cd1bf169833e653c01c112e62d80fbe3

                                SHA1

                                018f04efb02b08e14c7774fe302312a641a52a3f

                                SHA256

                                db0a2d5d8d91c68069d0a1fc6d84c51ae94f04f9d625baef2f0c99b372a7af8e

                                SHA512

                                f8c25f8469b7b6c0d73f2aaa6d6df340691097b115804397b35b4787bcc7472f34b9b4b2a2c14a50df4eef88bbb95eb612bf7a787e4a2df1654536da03edabb7

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

                                Filesize

                                4KB

                                MD5

                                7c2d093f7b2d834ec68ae000c4d5b6fd

                                SHA1

                                515040e2c1e0d13e0128a8c3e911350e8b507f06

                                SHA256

                                ffb92655a7f7b239a6ed6537925621130cfcf2e157175ef6e780fb26c74b0c72

                                SHA512

                                9ddec118b13470ab26f4e2646663a3de781a75ed52b3303826d7c7e0641314cd7b852683571fd424acf800c29f1fc60ca1a11433b2742dfdd9fbfc9237092b79

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                                Filesize

                                16B

                                MD5

                                18e723571b00fb1694a3bad6c78e4054

                                SHA1

                                afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                SHA256

                                8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                SHA512

                                43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                              • memory/320-0-0x0000000074441000-0x0000000074442000-memory.dmp

                                Filesize

                                4KB

                              • memory/320-1-0x0000000074440000-0x00000000749EB000-memory.dmp

                                Filesize

                                5.7MB

                              • memory/320-2-0x0000000074440000-0x00000000749EB000-memory.dmp

                                Filesize

                                5.7MB

                              • memory/320-43-0x0000000074440000-0x00000000749EB000-memory.dmp

                                Filesize

                                5.7MB

                              • memory/320-56-0x0000000074440000-0x00000000749EB000-memory.dmp

                                Filesize

                                5.7MB

                              • memory/320-77-0x0000000074440000-0x00000000749EB000-memory.dmp

                                Filesize

                                5.7MB

                              • memory/320-96-0x0000000074440000-0x00000000749EB000-memory.dmp

                                Filesize

                                5.7MB