Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 07:16

General

  • Target

    8dbb61a0d40951a0b9fe74788cfd16c3fb44d3f525b6f51a948aae103b2674a9.exe

  • Size

    293KB

  • MD5

    bb4ce6432bbee2d6d8ac8eeec88903d1

  • SHA1

    732f0210d0601e28cb32ee7fd4ec0df8f88f0b5c

  • SHA256

    8dbb61a0d40951a0b9fe74788cfd16c3fb44d3f525b6f51a948aae103b2674a9

  • SHA512

    e3f34d6c760fe187e7688b990af5f85ef290127e60a8f8f3b9406b7dd12fd84a66adff2997aacee1f316b888d36a5b9671bb0b12c6c217d4ac7c561db76191c3

  • SSDEEP

    6144:j/8MtxRgX+oLE0BZl8+it4UYddksayTacgQIxr:j/HSE0BsDtedzaK3gQ

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 9 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 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8dbb61a0d40951a0b9fe74788cfd16c3fb44d3f525b6f51a948aae103b2674a9.exe
    "C:\Users\Admin\AppData\Local\Temp\8dbb61a0d40951a0b9fe74788cfd16c3fb44d3f525b6f51a948aae103b2674a9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Users\Admin\AppData\Local\Temp\8dbb61a0d40951a0b9fe74788cfd16c3fb44d3f525b6f51a948aae103b2674a9Srv.exe
      C:\Users\Admin\AppData\Local\Temp\8dbb61a0d40951a0b9fe74788cfd16c3fb44d3f525b6f51a948aae103b2674a9Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4584
      • 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:4972
        • 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:4588
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4588 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    471B

    MD5

    d2c6a662e9bd0c89bf8cd03b201f89bd

    SHA1

    7c019c00c24825eedda6b9fd3e200a39aa47771e

    SHA256

    08fec4715e35e941a8bc409fdafb8fab8c4b97e8883325b9082562eecc1cdca2

    SHA512

    332b7cf422c2f656208ad9add4b15ee0c4ee7ee0074f67be9b7af32e9b4b59d487250bedeed06cf1763c13fe0da82cefccc4ada975dd148bf686f9cad08fbefb

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

    Filesize

    404B

    MD5

    47dd4781de0aaee80ac1bbe909a046ab

    SHA1

    ebc5b00e319e7035ea493e2d3bfbf9d2a35ac433

    SHA256

    27f18b2e0ba9fff59bd5513cdf8e2eaac29d75055ab23451ce3da2fef31fccb2

    SHA512

    f1785334d8ceea49d6808cb465415ebbbcaafe102d88b216548cbba562796f677d604655104634d60b341008180a1676ff6ddccbea9ba9cabf5742bcd898afbd

  • 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\8dbb61a0d40951a0b9fe74788cfd16c3fb44d3f525b6f51a948aae103b2674a9Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/4584-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4584-8-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4584-6-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4960-19-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/4960-0-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/4960-14-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/4972-15-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4972-17-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4972-13-0x0000000000560000-0x0000000000561000-memory.dmp

    Filesize

    4KB

  • memory/4972-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB