Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:33

General

  • Target

    19f47299d5b09f3c578f1c84ac4f5c40034b4a3dfd4785f6d5933f384df4f968.exe

  • Size

    348KB

  • MD5

    320d82953590b619917bea3c2f7494f2

  • SHA1

    0b3be052878cfa4aff1578f3d92ab7669004352c

  • SHA256

    19f47299d5b09f3c578f1c84ac4f5c40034b4a3dfd4785f6d5933f384df4f968

  • SHA512

    9f305fdb517d6f475f5f912dd4a2266b88ef3e9b88483fb92cb7501f893d043b77f34372aa3e464b7ca1b10f2b7e6898760874e297f7abee0bde535a16ec023e

  • SSDEEP

    6144:CnHLU1FaVNCJzt4ljFfKAVC1ES7eNg2QeXb6AtfaQX3ovF5iFuZQuy8t:CnHLtGztC0AVGVyxQeXbD3novXvZQuy0

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19f47299d5b09f3c578f1c84ac4f5c40034b4a3dfd4785f6d5933f384df4f968.exe
    "C:\Users\Admin\AppData\Local\Temp\19f47299d5b09f3c578f1c84ac4f5c40034b4a3dfd4785f6d5933f384df4f968.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Program Files\Java\jre7\bin\javaw.exe
      "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\19f47299d5b09f3c578f1c84ac4f5c40034b4a3dfd4785f6d5933f384df4f968.exe"
      2⤵
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:972
      • C:\Windows\system32\reg.exe
        reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v Javaw /t REG_SZ /d "\"C:\Program Files\Java\jre7\bin\javaw.exe\" -jar \"C:\Users\Admin\AppData\Roaming\Javaw (TM)\Javaw.a9b\"" /f
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:1764
      • C:\Windows\system32\attrib.exe
        attrib +s +h +r "C:\Users\Admin\AppData\Roaming\Javaw (TM)\*.*"
        3⤵
        • Sets file to hidden
        • Drops desktop.ini file(s)
        • Views/modifies file attributes
        PID:1800
      • C:\Windows\system32\attrib.exe
        attrib +s +h +r "C:\Users\Admin\AppData\Roaming\Javaw (TM)"
        3⤵
        • Sets file to hidden
        • Views/modifies file attributes
        PID:1056
      • C:\Program Files\Java\jre7\bin\javaw.exe
        "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\Javaw (TM)\Javaw.a9b"
        3⤵
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\system32\reg.exe
          reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v Javaw /t REG_SZ /d "\"C:\Program Files\Java\jre7\bin\javaw.exe\" -jar \"C:\Users\Admin\AppData\Roaming\Javaw (TM)\Javaw.a9b\"" /f
          4⤵
          • Adds Run key to start application
          • Modifies registry key
          PID:1964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Javaw (TM)\Desktop.ini

    Filesize

    63B

    MD5

    e783bdd20a976eaeaae1ff4624487420

    SHA1

    c2a44fab9df00b3e11582546b16612333c2f9286

    SHA256

    2f65fa9c7ed712f493782abf91467f869419a2f8b5adf23b44019c08190fa3f3

    SHA512

    8c883678e4625ef44f4885b8c6d7485196774f9cb0b9eee7dd18711749bcae474163df9965effcd13ecd1a33cd7265010c152f8504d6013e4f4d85d68a901a80

  • C:\Users\Admin\AppData\Roaming\Javaw (TM)\Javaw.a9b

    Filesize

    348KB

    MD5

    320d82953590b619917bea3c2f7494f2

    SHA1

    0b3be052878cfa4aff1578f3d92ab7669004352c

    SHA256

    19f47299d5b09f3c578f1c84ac4f5c40034b4a3dfd4785f6d5933f384df4f968

    SHA512

    9f305fdb517d6f475f5f912dd4a2266b88ef3e9b88483fb92cb7501f893d043b77f34372aa3e464b7ca1b10f2b7e6898760874e297f7abee0bde535a16ec023e

  • memory/972-69-0x0000000002260000-0x0000000005260000-memory.dmp

    Filesize

    48.0MB

  • memory/972-56-0x000007FEFBB51000-0x000007FEFBB53000-memory.dmp

    Filesize

    8KB

  • memory/972-55-0x0000000000000000-mapping.dmp

  • memory/1056-72-0x0000000000000000-mapping.dmp

  • memory/1368-54-0x0000000076461000-0x0000000076463000-memory.dmp

    Filesize

    8KB

  • memory/1704-74-0x0000000000000000-mapping.dmp

  • memory/1704-86-0x0000000002340000-0x0000000005340000-memory.dmp

    Filesize

    48.0MB

  • memory/1704-94-0x0000000002340000-0x0000000005340000-memory.dmp

    Filesize

    48.0MB

  • memory/1764-70-0x0000000000000000-mapping.dmp

  • memory/1800-71-0x0000000000000000-mapping.dmp

  • memory/1964-91-0x0000000000000000-mapping.dmp