Analysis

  • max time kernel
    127s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 01:27

General

  • Target

    c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe

  • Size

    756KB

  • MD5

    abe779482d3e8d51381ca04cd84d2cd4

  • SHA1

    2751f1b89bdb639e0e00e44b8ebc6b7ff3744817

  • SHA256

    c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d

  • SHA512

    fa8eea2f63d37db30b35bc8a5a731b0120c5b4e676dd8ccd02f3b3c3b729d6fe396950c736b5fe75c735e46fd4c3191db73181917c14a7d24b8ad1d44e39a4a0

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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe
    "C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
      C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1904
      • 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:900
        • 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:964
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:964 CREDAT:275457 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1964
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x54c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1032

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\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\GS8S8TLT.txt

    Filesize

    603B

    MD5

    1f018b9c475f74c90ae0798d9f6e29d5

    SHA1

    a466121cb9e7d22a53f3e5b931bb14009d3af639

    SHA256

    af1fb97c6bf6fbe2931d9bb060c58eb5f4e0c61e7172cc72be9a9bbfac74fcae

    SHA512

    556a8d8727549cb039b94a9d8624c056e1a5b23667c0e45cbf189ffbb5640ebee0fae6e784fb3e92786b3244261a87ec8fc4a4e1935171bc4b981ed7b2f0927a

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

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • \Users\Admin\AppData\Local\Temp\c2e5aeb33d6a4d197dd1bf3381463c1c2b43826c0ad14200edf4b98f8f6bc40dSrv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/812-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

    Filesize

    8KB

  • memory/812-68-0x00000000003C0000-0x00000000003EE000-memory.dmp

    Filesize

    184KB

  • memory/812-67-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/812-69-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/900-61-0x0000000000000000-mapping.dmp

  • memory/900-66-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1904-63-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1904-56-0x0000000000000000-mapping.dmp