Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 21:02

General

  • Target

    VirusShare_e61188b0504ce3cccb2819c5290cc1d3.dll

  • Size

    222KB

  • MD5

    e61188b0504ce3cccb2819c5290cc1d3

  • SHA1

    9546259e8f1190e2e68e00b8271455c59e927d78

  • SHA256

    561f01a8467dbec46f036a9eab8c1c609167f6139c24217a1dfcdd540c21abbd

  • SHA512

    299cff9dcc79fb56aa32114b04904ec2626839bf4609772f9fb0f4ac9e3390eeb0c4898c566cecd732e06e3f765fbb263fff4bceda841085f588172ea90a723a

  • SSDEEP

    6144:W4NZDBhOFOHy+B4PLzs2O8jtHLHFXCk+QtH2Rl2:5kO1BOzpLCPQEl2

Score
8/10

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer Protected Mode 1 TTPs 15 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 47 IoCs
  • Modifies registry class 8 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_e61188b0504ce3cccb2819c5290cc1d3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_e61188b0504ce3cccb2819c5290cc1d3.dll,#1
      2⤵
      • Modifies Internet Explorer Protected Mode
      • Modifies Internet Explorer Protected Mode Banner
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Modifies registry class
        PID:1044
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • Modifies Internet Explorer Protected Mode
        • Modifies Internet Explorer Protected Mode Banner
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        PID:4724
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • Modifies Internet Explorer Protected Mode
        • Modifies Internet Explorer Protected Mode Banner
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        PID:2252
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1076
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:3196
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2984 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2356
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {3eef301f-b596-4c0b-bd92-013beafce793} -Embedding
      1⤵
        PID:1144

      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

        7bde92ff965b73dc76190e608c2fbb93

        SHA1

        95547789d183bbf9ea20ef6ba4c6b2f0249fb30d

        SHA256

        821420f187b512f853c8b73d9439e940e6e04c499532561343a739717a9a76ee

        SHA512

        21406b04613e8be9f2036f5057d6d3de568ec1aa4eb6471cd457e70e6ddadfc3b988d5f4c2d316e548b21b2850944a78d75a44ec3bf929e71fe61fb6b0de4ec6

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

        Filesize

        404B

        MD5

        afd8b75b70cc3c2b61eee83b673612e5

        SHA1

        18bfce25461439e7dfea24cef4e2a2699ecfece4

        SHA256

        df6af5a645d89156a7c8906297b3c9b19f5364fbc4a516109cccd50a4e07c0fb

        SHA512

        4bbb60dd10c11906a5ad49500235774a601322db95f5e96e211e6b80cd29f74a90deb30b1f01d6c2d2f5284af4e7698929b33f9c36c623262f8d634f58b0d4b9

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GUTCV3OF\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/2252-8-0x00000000039C0000-0x00000000039F1000-memory.dmp

        Filesize

        196KB

      • memory/2252-16-0x0000000003A80000-0x0000000003AB1000-memory.dmp

        Filesize

        196KB

      • memory/2252-10-0x0000000003A80000-0x0000000003AB1000-memory.dmp

        Filesize

        196KB

      • memory/2252-9-0x0000000003A00000-0x0000000003A3C000-memory.dmp

        Filesize

        240KB

      • memory/2564-13-0x0000000002A50000-0x0000000002A8C000-memory.dmp

        Filesize

        240KB

      • memory/2564-0-0x0000000002A10000-0x0000000002A41000-memory.dmp

        Filesize

        196KB

      • memory/2564-14-0x0000000002AD0000-0x0000000002B01000-memory.dmp

        Filesize

        196KB

      • memory/2564-2-0x0000000002AD0000-0x0000000002B01000-memory.dmp

        Filesize

        196KB

      • memory/2564-1-0x0000000002A50000-0x0000000002A8C000-memory.dmp

        Filesize

        240KB

      • memory/4724-5-0x0000000003EC0000-0x0000000003EFC000-memory.dmp

        Filesize

        240KB

      • memory/4724-7-0x0000000003F40000-0x0000000003F71000-memory.dmp

        Filesize

        196KB

      • memory/4724-11-0x0000000003F40000-0x0000000003F71000-memory.dmp

        Filesize

        196KB

      • memory/4724-12-0x0000000003F40000-0x0000000003F71000-memory.dmp

        Filesize

        196KB

      • memory/4724-15-0x0000000003F40000-0x0000000003F71000-memory.dmp

        Filesize

        196KB

      • memory/4724-6-0x0000000003F40000-0x0000000003F71000-memory.dmp

        Filesize

        196KB

      • memory/4724-4-0x0000000003E80000-0x0000000003EB1000-memory.dmp

        Filesize

        196KB