Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 05:02

General

  • Target

    Server.exe

  • Size

    93KB

  • MD5

    3f3ae3a450723c80b1aaff419e0d1369

  • SHA1

    bb3e89cde4dd9d29a688b25a0002163540555b6d

  • SHA256

    8d4c9b97cae0f3c35ab9a5ffa7f1ab45f7c304fb0d7c517828fed0c2048f6d4a

  • SHA512

    81cfe00bfb7ff567b66747937c37ee846ae8a672dd3be573b013bc431c2d7d9602f7c02f568a3c996cefc2f86ca9597bc64e9f615b3ef7aae45360e3d15f6aab

  • SSDEEP

    768:QY33lgSRmnldjcRoMwrx7Y+DIkIITJbXX0pOt8ux82SXxrjEtCdnl2pi1Rz4Rk33:PlTmlbrq+1NTZ0OMjEwzGi1dDzDXgS

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 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 5 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2032
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe"
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:3580
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2028
    • C:\Users\Admin\AppData\Local\Temp\tmp8BCB.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp8BCB.tmp.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2956
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.facebook.com/
      2⤵
        PID:3616
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb584a46f8,0x7ffb584a4708,0x7ffb584a4718
          3⤵
            PID:4220
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,7859507319024694597,4676775487085144727,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2212 /prefetch:2
            3⤵
              PID:3076
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2116,7859507319024694597,4676775487085144727,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2264 /prefetch:3
              3⤵
                PID:2532
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2116,7859507319024694597,4676775487085144727,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2804 /prefetch:8
                3⤵
                  PID:4644
            • C:\Windows\system32\AUDIODG.EXE
              C:\Windows\system32\AUDIODG.EXE 0x4f8 0x2cc
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3096

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

              Filesize

              152B

              MD5

              d22073dea53e79d9b824f27ac5e9813e

              SHA1

              6d8a7281241248431a1571e6ddc55798b01fa961

              SHA256

              86713962c3bb287964678b148ee08ea83fb83483dff8be91c8a6085ca560b2a6

              SHA512

              97152091ee24b6e713b8ec8123cb62511f8a7e8a6c6c3f2f6727d0a60497be28814613b476009b853575d4931e5df950e28a41afbf6707cb672206f1219c4413

            • C:\Users\Admin\AppData\Local\Temp\tmp8BCB.tmp.exe

              Filesize

              29KB

              MD5

              cc65ad514684506f9f22c71d94c537ea

              SHA1

              36e2bf3159d14552279fc1b80db80a8c177925f4

              SHA256

              d215b8cc095e913f2d3adbd88ae7691be657104dd52340efba670d04eff1e368

              SHA512

              5c505b4c49df8e7e83af47719f79018358a39f1df552b2b90dda244b1e41a30559cbe66b1d415a836f403452c5493b26e28ef170376eb5f1a310733e65d8eeed

            • memory/532-5-0x0000000074720000-0x0000000074CD1000-memory.dmp

              Filesize

              5.7MB

            • memory/532-4-0x0000000074722000-0x0000000074723000-memory.dmp

              Filesize

              4KB

            • memory/532-6-0x0000000074720000-0x0000000074CD1000-memory.dmp

              Filesize

              5.7MB

            • memory/532-0-0x0000000074722000-0x0000000074723000-memory.dmp

              Filesize

              4KB

            • memory/532-2-0x0000000074720000-0x0000000074CD1000-memory.dmp

              Filesize

              5.7MB

            • memory/532-1-0x0000000074720000-0x0000000074CD1000-memory.dmp

              Filesize

              5.7MB

            • memory/2956-19-0x0000000005780000-0x000000000581C000-memory.dmp

              Filesize

              624KB

            • memory/2956-18-0x0000000000DA0000-0x0000000000DAE000-memory.dmp

              Filesize

              56KB

            • memory/2956-20-0x0000000005E60000-0x0000000006404000-memory.dmp

              Filesize

              5.6MB

            • memory/2956-21-0x0000000005950000-0x00000000059E2000-memory.dmp

              Filesize

              584KB

            • memory/2956-22-0x0000000005830000-0x000000000583A000-memory.dmp

              Filesize

              40KB

            • memory/2956-23-0x00000000058B0000-0x0000000005906000-memory.dmp

              Filesize

              344KB