Analysis

  • max time kernel
    95s
  • 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
    18-11-2024 20:05

General

  • Target

    32dd4dbbe6ccda2e040297a2d8eaf4cb5ce9b6dc641b56f2403b0d9ad14ce2d1.exe

  • Size

    1.9MB

  • MD5

    5a9a183b21cfb7e349994d4a27bc7c7c

  • SHA1

    8fdc1d0ecb2f31642e042533112db15b30e9801a

  • SHA256

    32dd4dbbe6ccda2e040297a2d8eaf4cb5ce9b6dc641b56f2403b0d9ad14ce2d1

  • SHA512

    6199473a9848a5f668cbc53dfd64a91f8253a89f27598e7375913f3b250328655a17f55bed7bdd5ae6d7f68e6b4988b5ab14e4417f12f35a14835e605a9dfbe6

  • SSDEEP

    24576:h6z+tYP6frLCj2J0xS3+CA2hyagkrLN0CqBmhw4DxpGrQhJiVz6eLgMPUPpvu4U6:U0fr49P2htDP1qshjMpkMPUPpvu4U6

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32dd4dbbe6ccda2e040297a2d8eaf4cb5ce9b6dc641b56f2403b0d9ad14ce2d1.exe
    "C:\Users\Admin\AppData\Local\Temp\32dd4dbbe6ccda2e040297a2d8eaf4cb5ce9b6dc641b56f2403b0d9ad14ce2d1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Users\Admin\AppData\Local\Temp\32dd4dbbe6ccda2e040297a2d8eaf4cb5ce9b6dc641b56f2403b0d9ad14ce2d1Srv.exe
      C:\Users\Admin\AppData\Local\Temp\32dd4dbbe6ccda2e040297a2d8eaf4cb5ce9b6dc641b56f2403b0d9ad14ce2d1Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4444
        • 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:4500
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4500 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    cdfebcd84ff934bb577a1d3a07a3ccad

    SHA1

    5092f452374bb3943b00cf53bcad7a92215bae87

    SHA256

    7f877563622aeda07395133fb7c81746df3389c360549e2309c161c8a394d9bf

    SHA512

    605a455017dc67d6257a5b434ce9a8df8fbac30dcf6e45856c823ee9998f4008ae08947129a23d88c222c866a06192c2e75374880fe8b67d591816492ae4f56b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    1d6827d2a23809d0e90245a07a73aa7b

    SHA1

    fb215959a305c7307ce105e43d1670a417f67dd7

    SHA256

    21fafaf9d2ce997b1506e0b12c039a7dc106e2ea47d9b8322454f57da6454944

    SHA512

    289a3b5672257757c92da01115bafb58be9dc2664f75e0978454d8fe77acc827dc419bbdc1b5053f5bd19fee13920987afd515088da305a1bf241694ce3d7203

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Users\Admin\AppData\Local\Temp\32dd4dbbe6ccda2e040297a2d8eaf4cb5ce9b6dc641b56f2403b0d9ad14ce2d1Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/448-20-0x0000000000990000-0x0000000000B87000-memory.dmp

    Filesize

    2.0MB

  • memory/448-0-0x0000000000990000-0x0000000000B87000-memory.dmp

    Filesize

    2.0MB

  • memory/3212-5-0x0000000000580000-0x000000000058F000-memory.dmp

    Filesize

    60KB

  • memory/3212-7-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3212-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4444-15-0x00000000004C0000-0x00000000004C1000-memory.dmp

    Filesize

    4KB

  • memory/4444-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4444-14-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4444-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB