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Analysis

  • max time kernel
    83s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 19:38

General

  • Target

    2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe

  • Size

    630KB

  • MD5

    601ddfdee593a71b12a072a8f25156b0

  • SHA1

    57516d50bced81ebe2d34328a12f3a97dcb9f59e

  • SHA256

    2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3

  • SHA512

    5e47fbea71b3ca6950f706520954c1f4063c74661a28a8999e63582213e72a7b17a74ac01dc658fbb38c34f7b43be87393ca363836bd1b4ad1665e299d5b5d49

  • SSDEEP

    12288:zyyKdVnyNhXCV4EkP7AIfzNXZ0b5NrnkcAqIV0A1caRIqDwm1:zKvyNhXCV4E8BXAfrnkcAqU0A7M

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe
    "C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe
      C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1740
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1508
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1508 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1540

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\05E6VHAJ.txt

    Filesize

    608B

    MD5

    61a766e443d6ba6d38aa61060548ff79

    SHA1

    bb42a713aaea7015e73f01b5baea7af4513aa874

    SHA256

    f5bbcaa6b3885527f04dcaf87f0d97a8081dfab657ee26365126611be8d98fc3

    SHA512

    30b99857b397b2d26606610a77ab52e48c9b8a940d24f2f3461bd469913adee6c669f627efc851437d4287b65ba6b6c623a2baf79971db6d618c31c9679fd9ba

  • \Program Files (x86)\Microsoft\DesktopLayer.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • \Users\Admin\AppData\Local\Temp\2bfe76bf34ede6d37d52b0d6e0e46e62246f51d13305003a4d472ec4671e8df3Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/956-59-0x0000000075E11000-0x0000000075E13000-memory.dmp

    Filesize

    8KB

  • memory/956-64-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1388-58-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1388-54-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1740-67-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB