Analysis

  • max time kernel
    73s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2024 10:40

General

  • Target

    Sleezy Perm Spoofer.exe

  • Size

    37KB

  • MD5

    169ca703920e9eeaae4c118538493a3e

  • SHA1

    21f069559e4b606423b587b7d8ddd54a8eb0cbd2

  • SHA256

    3f59444186757a488078438ecc19c6f8e37e14e682d2ceda2c65582ab731f3eb

  • SHA512

    bcdb446ecb9aa4f902f0383005acfd08029301c6c1da19835e79763953ae9c600e0ed80e4c67bf27cb9b1785613fef561278e93aa79f57198dbb0a556aa0eeca

  • SSDEEP

    384:P+QnVSikm70NVtv/Vey0bM50vtEsuq/aZrAF+rMRTyN/0L+EcoinblneHQM3epz+:mo/O1VV0bMuWlqMrM+rMRa8NuaXt

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

Sleezy

C2

2.tcp.eu.ngrok.io:10394

Mutex

5f55366198fbf5f44b30c59e431ef9cc

Attributes
  • reg_key

    5f55366198fbf5f44b30c59e431ef9cc

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Windows directory 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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\Sleezy Perm Spoofer.exe
    "C:\Users\Admin\AppData\Local\Temp\Sleezy Perm Spoofer.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Windows\Sleezy Perm Spoofer.exe
      "C:\Windows\Sleezy Perm Spoofer.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2440
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\Sleezy Perm Spoofer.exe" "Sleezy Perm Spoofer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2820
  • 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:320
    • 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,0x7fef5fd9758,0x7fef5fd9768,0x7fef5fd9778
      2⤵
        PID:600
      • 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=1120 --field-trial-handle=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:2
        2⤵
          PID:2900
        • 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=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:8
          2⤵
            PID:2996
          • 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=1620 --field-trial-handle=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:8
            2⤵
              PID:3068
            • 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=2280 --field-trial-handle=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:1
              2⤵
                PID:2424
              • 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=2292 --field-trial-handle=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:1
                2⤵
                  PID:2388
                • 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=1320 --field-trial-handle=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:2
                  2⤵
                    PID:1720
                  • 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=1464 --field-trial-handle=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:1
                    2⤵
                      PID:2372
                    • 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=3540 --field-trial-handle=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:8
                      2⤵
                        PID:1508
                      • 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=3116 --field-trial-handle=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:8
                        2⤵
                          PID:1568
                        • 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=3748 --field-trial-handle=1296,i,7369366766642472538,9079818524263673506,131072 /prefetch:8
                          2⤵
                            PID:2444
                        • 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:2204
                          • C:\Windows\system32\AUDIODG.EXE
                            C:\Windows\system32\AUDIODG.EXE 0x4fc
                            1⤵
                              PID:1748

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\2764594a-5716-4e2d-93dd-0d4f38049135.tmp

                              Filesize

                              328KB

                              MD5

                              0d19d6b9ae09ff02ff5f665d02b414c4

                              SHA1

                              6947519822a1ae7f470df9ea787002cda0118246

                              SHA256

                              0c90883d5c9990a6c62d0701e00dfe70d94b1e34c18bc34e657c7094724868b1

                              SHA512

                              6fce1ce40495146161a9a4fc65647de195d68d1de3250a8f85caeca38a72a629133ccbd5cefbb49d74c65d1812c439bb5c93eba866b54a8ac50b46671900b8a9

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

                              Filesize

                              1KB

                              MD5

                              12b53b0b1ff2e04c353c88d619904b7d

                              SHA1

                              d93ea2456611a13614fea821ee11f879024b02f7

                              SHA256

                              5a1136cb642d9c03b4c31e80e01fa72fc040e522ce3fb4a5f1cf77989415113a

                              SHA512

                              2d2693b4bbe885bdaa40e499065dd8a890b8cf8ed74120069f0b07d7c2675b3066ff5174d2b4389f17af7d93ccfb459dc408819593b747ad1830c6ce69cf7140

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

                              Filesize

                              4KB

                              MD5

                              9a25f4298b045b0f2d45dddc21f1b6bc

                              SHA1

                              d2a6fe958709a22a46708e3175c0c35e012909df

                              SHA256

                              7ca470403c624c97efd0fc66c213234c28d0696102d414bcdbb5e1cc9f15baf9

                              SHA512

                              154a2548b5bd94c20511c090e0ca2fbe1f6246286add98b1c8019b655f34814e9c70cd0bbd2ca5e4d797b33d21e98fa6cf00b121f96ee69e5156eaadfa266e2e

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

                              Filesize

                              4KB

                              MD5

                              19f0d054a9b0842003d77d945b89a7fb

                              SHA1

                              163c75ed5c2bf63318fb0896dee3161f2cce87a4

                              SHA256

                              0dad710a1fce9d44022f62320beef38293fd636a76b161fa4fa1c135f64eb0ba

                              SHA512

                              f1ca430097b51df56f7af78902783fba89c96762ae928246b8dc766c017976e1c2612c15f6677d34649bb2108d1d6ff11561ceff2cb604ed3da02c475e271870

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

                              Filesize

                              4KB

                              MD5

                              b8d0195b7b7229033aa00468e59221d9

                              SHA1

                              e0c375fa8358faae2a8f99a952adb8042bd3a4ae

                              SHA256

                              f463ddca15e63b4c43951a72755d240ab76d7e51b21c19416169e6fd013d87ae

                              SHA512

                              71bd17e2dec57fd0e4584294e16db216c3d51cf59234d350fe03663a36333f48eca50ac2ed90f4aed92e94f8c0490cbb07929beea07abb05200846c2faf81f1d

                            • 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\Local\Google\Chrome\User Data\Local State

                              Filesize

                              328KB

                              MD5

                              2465bc99056b4c114d2e936ec7567220

                              SHA1

                              d430b7e563b58d3c51f20876cdeacb0ca23ab4f5

                              SHA256

                              70f61ef73b49276fbcf74552fe6fdf6b00fed3d6b4c54bc5ad5eda4d69f23b53

                              SHA512

                              d95ea6b954cd74d32754a5ec2cbe0572208efb0c32e5a6f36d16e8022a4838896f3627f9780eef2279bf729eb0ef624673e6e6341c46b4dc0032ee4f3cf93b10

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

                              Filesize

                              264KB

                              MD5

                              f50f89a0a91564d0b8a211f8921aa7de

                              SHA1

                              112403a17dd69d5b9018b8cede023cb3b54eab7d

                              SHA256

                              b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                              SHA512

                              bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                            • C:\Windows\Sleezy Perm Spoofer.exe

                              Filesize

                              37KB

                              MD5

                              169ca703920e9eeaae4c118538493a3e

                              SHA1

                              21f069559e4b606423b587b7d8ddd54a8eb0cbd2

                              SHA256

                              3f59444186757a488078438ecc19c6f8e37e14e682d2ceda2c65582ab731f3eb

                              SHA512

                              bcdb446ecb9aa4f902f0383005acfd08029301c6c1da19835e79763953ae9c600e0ed80e4c67bf27cb9b1785613fef561278e93aa79f57198dbb0a556aa0eeca

                            • memory/1300-0-0x0000000074131000-0x0000000074132000-memory.dmp

                              Filesize

                              4KB

                            • memory/1300-9-0x0000000074130000-0x00000000746DB000-memory.dmp

                              Filesize

                              5.7MB

                            • memory/1300-2-0x0000000074130000-0x00000000746DB000-memory.dmp

                              Filesize

                              5.7MB

                            • memory/1300-1-0x0000000074130000-0x00000000746DB000-memory.dmp

                              Filesize

                              5.7MB

                            • memory/2440-19-0x0000000074130000-0x00000000746DB000-memory.dmp

                              Filesize

                              5.7MB

                            • memory/2440-20-0x0000000074130000-0x00000000746DB000-memory.dmp

                              Filesize

                              5.7MB

                            • memory/2440-10-0x0000000074130000-0x00000000746DB000-memory.dmp

                              Filesize

                              5.7MB