Analysis

  • max time kernel
    1795s
  • max time network
    1700s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    18-07-2024 20:21

General

  • Target

    KNRL STARTUP/KNRL.exe

  • Size

    468KB

  • MD5

    25dd17cdd4cb0ea687bacc96f11df77f

  • SHA1

    e35e77bbdea42a36fe4d2f456022ab07ddc1a65f

  • SHA256

    8fb40c856daf038d45a2d5b5f93bfa48987d54493b43ac76c16a7fceb7011f86

  • SHA512

    3144c457786e9764d8ea026d1c312e90e5158507b1133e3e477922c54a721ac29a1014d8103aba592fe2b65e831dbb8d5362968c588824894afe77de04968799

  • SSDEEP

    6144:SWV91Ub+4jU83nN6xMrSTpNx+NgrnpGH2bRr:SiTXx

Score
10/10

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    nothingset

  • port

    4444

  • startup_name

    Xeno_manager.exe

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • 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 4 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\KNRL STARTUP\KNRL.exe
    "C:\Users\Admin\AppData\Local\Temp\KNRL STARTUP\KNRL.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "Xeno_manager.exe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A0.tmp" /F
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2968
  • 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:2716
    • 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,0x7fef73e9758,0x7fef73e9768,0x7fef73e9778
      2⤵
        PID:2820
      • 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=1168 --field-trial-handle=1216,i,16138160071047690468,1137463994700234116,131072 /prefetch:2
        2⤵
          PID:1396
        • 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=1508 --field-trial-handle=1216,i,16138160071047690468,1137463994700234116,131072 /prefetch:8
          2⤵
            PID:1676
          • 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=1216,i,16138160071047690468,1137463994700234116,131072 /prefetch:8
            2⤵
              PID:2880
            • 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=2168 --field-trial-handle=1216,i,16138160071047690468,1137463994700234116,131072 /prefetch:1
              2⤵
                PID:484
              • 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=2184 --field-trial-handle=1216,i,16138160071047690468,1137463994700234116,131072 /prefetch:1
                2⤵
                  PID:1048
                • 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=2704 --field-trial-handle=1216,i,16138160071047690468,1137463994700234116,131072 /prefetch:2
                  2⤵
                    PID:1144
                  • 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=3340 --field-trial-handle=1216,i,16138160071047690468,1137463994700234116,131072 /prefetch:1
                    2⤵
                      PID:2504
                    • 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=3656 --field-trial-handle=1216,i,16138160071047690468,1137463994700234116,131072 /prefetch:8
                      2⤵
                        PID:2404
                    • 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:1696

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        Filesize

                        264KB

                        MD5

                        f50f89a0a91564d0b8a211f8921aa7de

                        SHA1

                        112403a17dd69d5b9018b8cede023cb3b54eab7d

                        SHA256

                        b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                        SHA512

                        bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                      • 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\Network\Network Persistent State

                        Filesize

                        1KB

                        MD5

                        911da64ab84b853573e7ea3f267760be

                        SHA1

                        891cd53eb6662e6fe7dd2a801d7ce9c5002ecd84

                        SHA256

                        1406bab9eb91b11f73cb99737bc30ad31652911fd46a389a6bec71051b395243

                        SHA512

                        ff8c4c8a4d437f4864bd50d37317f3bdabbb3334c7edb0f37643de6666c5ec37751285ac3d451eeb90636ae646c860d9894e27ba9b9003a99926b7cbfab69caa

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                        Filesize

                        987B

                        MD5

                        a178bdc0a54c70d4c5b6c011990eeb98

                        SHA1

                        9c12fa8ce470ddd52db7507f09c78ea6617305df

                        SHA256

                        356d9fbbe1143012da2e48e974a8d187ad23e4e4e984ebdd493d7aa3b924272e

                        SHA512

                        c553309692df155a39083c1eb81977440af73d9e346b928d701d7ff245f47d440c07184ae4134fb6c0bbb09e51af31647b4ba8914c54b0a289aa484826b57ee2

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

                        Filesize

                        5KB

                        MD5

                        fb972f673640bf29db64c38261d8b3c9

                        SHA1

                        dc7f858ef95a4409b6c99db31d898daf291fbee0

                        SHA256

                        3323167f3da2c5e33766dbd3f3bf2ccf51e102f7340a1b58ed4555938f132220

                        SHA512

                        62699f9604f1532dcdb7f55686084d530afa67edd6de59f10742eb6750eb0369c0aeee6fad70eca2fe50b267dcc83619b566fb9923c69a9e67e8abe2ff805298

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

                        Filesize

                        5KB

                        MD5

                        846feb39fe0978e9fc7d11bdd6697a71

                        SHA1

                        a05125a795d0e5589a8078a8fb7b20b2cddd31cb

                        SHA256

                        fdf23292731752cff93ce60102fac2339f25dbae772ddf21887b6ce449550772

                        SHA512

                        64884129063db580add73e91df061f42d21232250fa32e545f461828589fda1e9824edd9522709fcd1213605ac8c82f7c7b6c850228fd049b04eaee1589f1d7a

                      • 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

                      • C:\Users\Admin\AppData\Local\Temp\tmp2A0.tmp

                        Filesize

                        1KB

                        MD5

                        61a865f9095e54fead6e20d6d06862c6

                        SHA1

                        2313a3396aa33792d1054c82f4d99c85fdaf93b2

                        SHA256

                        c007407ab7a371ad9de4c3d7929c08e30f50836d32666101084691a7a8462b47

                        SHA512

                        3e0c1caba39af50f2633d1264a5eaf756b1218a104f6dc77fcfb9c64dfb079d97d71f41404c7d8b216330bb44c1b6349b3431de59363e581225ce5f5e5b0b1d3

                      • memory/2264-4-0x00000000740A0000-0x000000007478E000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2264-78-0x00000000740A0000-0x000000007478E000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2264-0-0x00000000740AE000-0x00000000740AF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2264-1-0x0000000000A80000-0x0000000000AFC000-memory.dmp

                        Filesize

                        496KB