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Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 13:53

General

  • Target

    ae6930169cd4de5d17e2321e5335fe9b42a330350f4df96b270fa42fba308921.exe

  • Size

    201KB

  • MD5

    1023918366579db644dc268ccee04400

  • SHA1

    8d20772b702ec14f3f2733c342d43e9fcfdf645a

  • SHA256

    ae6930169cd4de5d17e2321e5335fe9b42a330350f4df96b270fa42fba308921

  • SHA512

    6c589a9bd02b0f99f6f6d1a302808d9a0a45de3f631c7935b144be9fdd9af1ea4f4b81be26d6807a6bfbaf411537b74409940169a940d17aae1d1ffbf9e785e2

  • SSDEEP

    3072:xJk9XB/2Q/0M5kJJixTi2lmNEedkoEvKVfaGw3Rk2XCdrW:VM5SMdMfkhmGW2X9

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ae6930169cd4de5d17e2321e5335fe9b42a330350f4df96b270fa42fba308921.exe
    "C:\Users\Admin\AppData\Local\Temp\ae6930169cd4de5d17e2321e5335fe9b42a330350f4df96b270fa42fba308921.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Users\Admin\AppData\Local\Temp\ae6930169cd4de5d17e2321e5335fe9b42a330350f4df96b270fa42fba308921.exe
      "C:\Users\Admin\AppData\Local\Temp\ae6930169cd4de5d17e2321e5335fe9b42a330350f4df96b270fa42fba308921.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • UAC bypass
      • Windows security bypass
      • Checks computer location settings
      • Drops startup file
      • Windows security modification
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4956
      • C:\Users\Admin\uqoox\xooqu.exe
        "C:\Users\Admin\uqoox\xooqu.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1032
        • C:\Users\Admin\uqoox\xooqu.exe
          "C:\Users\Admin\uqoox\xooqu.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • UAC bypass
          • Windows security bypass
          • Executes dropped EXE
          • Drops startup file
          • Windows security modification
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:4208
      • C:\Windows\SysWOW64\PhotoScreensaver.scr
        "C:\Windows\System32\PhotoScreensaver.scr" /S
        3⤵
          PID:4788

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xooqu.lnk

      Filesize

      924B

      MD5

      6b0ab134f1204092eafd784314ab2818

      SHA1

      7b5f5b9302258c34befe6649e88347c7c307fd9d

      SHA256

      0c284d5176f5208cbb5953eb2bdee457cf7c7ce278e8030eee18ade0f427db61

      SHA512

      21d22b844a0b3a445410e41158d99782c83b48b84fe5626a08f2fb82ef73f9c421ef7b2db04632e0b916ae8074a4d5b153d9591f017d3dc1363fd322b64c2a1c

    • C:\Users\Admin\uqoox\xooqu.exe

      Filesize

      201KB

      MD5

      1023918366579db644dc268ccee04400

      SHA1

      8d20772b702ec14f3f2733c342d43e9fcfdf645a

      SHA256

      ae6930169cd4de5d17e2321e5335fe9b42a330350f4df96b270fa42fba308921

      SHA512

      6c589a9bd02b0f99f6f6d1a302808d9a0a45de3f631c7935b144be9fdd9af1ea4f4b81be26d6807a6bfbaf411537b74409940169a940d17aae1d1ffbf9e785e2

    • C:\Users\Admin\uqoox\xooqu.exe

      Filesize

      201KB

      MD5

      1023918366579db644dc268ccee04400

      SHA1

      8d20772b702ec14f3f2733c342d43e9fcfdf645a

      SHA256

      ae6930169cd4de5d17e2321e5335fe9b42a330350f4df96b270fa42fba308921

      SHA512

      6c589a9bd02b0f99f6f6d1a302808d9a0a45de3f631c7935b144be9fdd9af1ea4f4b81be26d6807a6bfbaf411537b74409940169a940d17aae1d1ffbf9e785e2

    • C:\Users\Admin\uqoox\xooqu.exe

      Filesize

      201KB

      MD5

      1023918366579db644dc268ccee04400

      SHA1

      8d20772b702ec14f3f2733c342d43e9fcfdf645a

      SHA256

      ae6930169cd4de5d17e2321e5335fe9b42a330350f4df96b270fa42fba308921

      SHA512

      6c589a9bd02b0f99f6f6d1a302808d9a0a45de3f631c7935b144be9fdd9af1ea4f4b81be26d6807a6bfbaf411537b74409940169a940d17aae1d1ffbf9e785e2

    • memory/1032-149-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/1032-154-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/4208-161-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/4208-158-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/4584-139-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/4584-134-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/4956-136-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/4956-142-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/4956-160-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB

    • memory/4956-138-0x0000000000400000-0x0000000000417000-memory.dmp

      Filesize

      92KB