Analysis

  • max time kernel
    93s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 01:52

General

  • Target

    abaa5b87780f587dc979aa0154f637e27ae4f6dcdbaf8df4692486ab10bf8a62.dll

  • Size

    224KB

  • MD5

    b5bdccd1c02b6764910e94a6d9e9a5ac

  • SHA1

    d1e2e74212c31993f6481be53865610ecc85e98f

  • SHA256

    abaa5b87780f587dc979aa0154f637e27ae4f6dcdbaf8df4692486ab10bf8a62

  • SHA512

    8341fa6403071425f726ac8305c423f7e0de50f445b111174a576cb7b9f8ffd85908db7bbbcea169b7b9f9ca41a13554a6833a9c0be317b75a49f4dffdc0aa03

  • SSDEEP

    6144:Th8d15radWEXFjys88Qy8Af/RoEznpwfBs1S:V8dXWRMsEy9hD0ss

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 7 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 32 IoCs
  • Modifies registry class 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\abaa5b87780f587dc979aa0154f637e27ae4f6dcdbaf8df4692486ab10bf8a62.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\abaa5b87780f587dc979aa0154f637e27ae4f6dcdbaf8df4692486ab10bf8a62.dll
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Windows\SysWOW64\regsvr32Srv.exe
        C:\Windows\SysWOW64\regsvr32Srv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4916
        • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
          "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3688
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:5056
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5056 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4404

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

    5cdba0b951b215a32f9053da8eed5d75

    SHA1

    5bcaf283c5b7a740bc804a393298d6cf4f0ba4c7

    SHA256

    5db4ebeed80b2c5b5e17e1f7ddc01139ee151ff2b398250393d8d30d3bbf1118

    SHA512

    7471c506a63bc00edb959edc7b74b42af565c99297252348a6edd5ef1036ad7885f2ee3d5fad141400a549741980fe8f08c9a00a743bd696913e536d76c91d10

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

    Filesize

    404B

    MD5

    0b44aae65577a25e693b4105b83a5728

    SHA1

    ddb8fc30e8da30da23f434e9cec7cfdf4eebebd7

    SHA256

    d4e303086a21ea8aa8fc93455367694e177b4d87e1644919c7753ac59bffb7e6

    SHA512

    57e3e74b42cde3b65cc9cfb646f64ba20e7bd25b5f52b82c350daeaa918678be10cb30c0d81b00efe8ed4e326cd301aa535d96b0bcba73fca32a28eda3e0c4a7

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver14EA.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Windows\SysWOW64\regsvr32Srv.exe

    Filesize

    55KB

    MD5

    ff5e1f27193ce51eec318714ef038bef

    SHA1

    b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

    SHA256

    fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

    SHA512

    c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

  • memory/3688-17-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3688-13-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3688-15-0x00000000005B0000-0x00000000005B1000-memory.dmp

    Filesize

    4KB

  • memory/3688-16-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3984-0-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB

  • memory/4916-12-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4916-6-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/4916-5-0x0000000000590000-0x000000000059F000-memory.dmp

    Filesize

    60KB

  • memory/4916-4-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB