Analysis

  • max time kernel
    68s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2024 13:14

General

  • Target

    BootstrapperV1.26.exe

  • Size

    863KB

  • MD5

    cc3f2a1f63f68e4014bc3b8a0d3ddf7c

  • SHA1

    82eb314b035f073332a7a4a9a10449513ccc1d03

  • SHA256

    43182b7bf6f7d1c9e18f1c3f9dd916986d6adb81928ee0b2e57d6572d22bca4a

  • SHA512

    6f6839fb986475b0b8d95132a5588c9d0f956e8b9cc1d894fc755cc8d365a11daba321a05aac1db295586a4d3a2b290c7ea80446948c57c4af0d33f21dd5f2da

  • SSDEEP

    12288:TATougEx9nCvJ4f05oOGoGH/j0MNVcfzJXcBPXBNr8L5h:k0NY9CvzoVoGH/j0ucrJXOu

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

31

C2

txx8luo.localto.net:3989

Mutex

0f4f57f0b5499edfd1915b0e98cfe851

Attributes
  • reg_key

    0f4f57f0b5499edfd1915b0e98cfe851

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 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 5 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 64 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\BootstrapperV1.26.exe
    "C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.26.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Roaming\13131312.exe
      "C:\Users\Admin\AppData\Roaming\13131312.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2144
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn CleanSweepCheck /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2480
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Roaming\13131312.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:2668
        • C:\Windows\SysWOW64\PING.EXE
          ping 0 -n 2
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:1292
    • C:\Users\Admin\AppData\Roaming\BootstrapperV1.21.exe
      "C:\Users\Admin\AppData\Roaming\BootstrapperV1.21.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2692 -s 1068
        3⤵
        • Loads dropped DLL
        PID:2828
  • 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:2620
    • 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,0x7fef1d69758,0x7fef1d69768,0x7fef1d69778
      2⤵
        PID:2640
      • 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=1128 --field-trial-handle=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:2
        2⤵
          PID:1872
        • 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=1492 --field-trial-handle=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:8
          2⤵
            PID:1708
          • 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=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:8
            2⤵
              PID:1740
            • 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=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:1
              2⤵
                PID:2596
              • 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=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:1
                2⤵
                  PID:2676
                • 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=1012 --field-trial-handle=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:2
                  2⤵
                    PID:1284
                  • 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=1416 --field-trial-handle=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:1
                    2⤵
                      PID:1576
                    • 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=3144 --field-trial-handle=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:8
                      2⤵
                        PID:1248
                      • 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=3312 --field-trial-handle=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:8
                        2⤵
                          PID:2196
                        • 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=4024 --field-trial-handle=1280,i,17979279651308905501,5310151988388918009,131072 /prefetch:8
                          2⤵
                            PID:2932
                        • 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:1800

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                            Filesize

                            16B

                            MD5

                            aefd77f47fb84fae5ea194496b44c67a

                            SHA1

                            dcfbb6a5b8d05662c4858664f81693bb7f803b82

                            SHA256

                            4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                            SHA512

                            b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                          • 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

                            5KB

                            MD5

                            7ef26a28eaf0fed1f7d360d633919f95

                            SHA1

                            a172857c9d6b370023b997affda893898d755b3a

                            SHA256

                            8a69ad4361e2936f53a0104a334a66629a3c8a70188d8779e9dc1c13415e8e87

                            SHA512

                            534a4148c58c739908628c30fed4e337db74a49dcda48fb40305ad81323823f17eef526c9c4f413332d3ad7d7586a6ae80ac782df3333ce407cafcd82ba9f4c3

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

                            Filesize

                            5KB

                            MD5

                            aff7082c3357af56933397a286a72b23

                            SHA1

                            a836e9519cc8177b933e821f9e468160d90daece

                            SHA256

                            e5cb59862b8b4f3a01efa1b03a76b963f96e59347587ee62c1804948af537c0e

                            SHA512

                            b8587644ea3b4476a719c69d511b8769ef7541bbbfc3ddb242937aa9099d6a394c2c9ac1b1d0b1aaa1d255b30b16ca7a03d7314d86111437078feab1aa8fbc1d

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                          • C:\Users\Admin\AppData\Roaming\13131312.exe

                            Filesize

                            55KB

                            MD5

                            7f885e0b86bfd37c17867214b74c600a

                            SHA1

                            476e1749121846a34eff66c2714d01ff3cf18593

                            SHA256

                            0e598feb9643475cd6209f510b9bdd33080188752734f5e8403aa5e946f6b841

                            SHA512

                            00799f581f42173a2e10e9fdd4f8ba83922bbe8b8e264539405a78eef146c3c8f8f09ac2fdbb6380d2574232b749e902469bbdc62af89d62d4416de506f75499

                          • C:\Users\Admin\AppData\Roaming\BootstrapperV1.21.exe

                            Filesize

                            797KB

                            MD5

                            c5dfc6db9d57d21fc1fd18afff38cab0

                            SHA1

                            2c0ad08b90c699539702899db5860c1e1e1a8d80

                            SHA256

                            163c5a7bdc1038959e103011dcf454bc009c5b0c0ad3cac60bbb4f2a4a19444f

                            SHA512

                            0369f636cc83d5841549a06ed1ca06b74859a26ef7ebc35ed9f26c281682e10804fcdaf3dfc47049b4aea01694cc11014d2e2c6435b0abc757a5472c548dd68e

                          • memory/2144-15-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2144-27-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2144-28-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2144-29-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2144-16-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2144-17-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2144-112-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2236-18-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2236-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

                            Filesize

                            4KB

                          • memory/2236-2-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2236-3-0x00000000741C0000-0x000000007476B000-memory.dmp

                            Filesize

                            5.7MB

                          • memory/2692-20-0x0000000000BA0000-0x0000000000C6E000-memory.dmp

                            Filesize

                            824KB