Analysis

  • max time kernel
    151s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-01-2024 11:57

General

  • Target

    826018a8692aa093515ed26e2cf89183.dll

  • Size

    252KB

  • MD5

    826018a8692aa093515ed26e2cf89183

  • SHA1

    79a7efc1b84b0370e902582249abff0b3b6a2966

  • SHA256

    b857fd19f10b780f97e3c70cf521ff8a6e442031090f8eab963fac9d17dd9fef

  • SHA512

    35ad7d9a4c1d72529657c35f3cdba742625625b3dfa86176b6ec421550504bd675f3f605778b60488516fc02402d44ec5ea836e1183d0cc824e66055de339a3c

  • SSDEEP

    6144:dgsjyzscw0ah/ByAVxr62CLFJO6qpAJNzr:dZjw1w0aJBT4BJTJF

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 43 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\826018a8692aa093515ed26e2cf89183.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\826018a8692aa093515ed26e2cf89183.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:4904
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Modifies registry class
        PID:1196
      • 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:632
      • 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:4656
  • 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:532
  • 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:4376
    • 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:224
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:224 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3684
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {3eef301f-b596-4c0b-bd92-013beafce793} -Embedding
      1⤵
        PID:5100

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Defense Evasion

      Modify Registry

      3
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        471B

        MD5

        1a510f2f7741e35ecc097c2ec95bc582

        SHA1

        a5887323cb4fb1d9f56ad03f5b75eb118b1a9835

        SHA256

        cb17dcee72c9437d911849bf754e0740541492400218c5f258660e4dd029a707

        SHA512

        6a40efa9eb07c20891a61887d08f70c84cde60c2de23d81d1c0289c4fa6f948ca19b11ed9b9f7cc85254d887a59aa03274c011d9d89288a798672b4bbc23122c

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

        404B

        MD5

        79f452d07c63ff895389f0ed4b9f59e5

        SHA1

        dde75a0380a7e1f41d2bbdecb1d54a45f5f9b10b

        SHA256

        21883198f4df8094c36f8788133895ac4da74b829a1bdc289c41ad05e2a979ff

        SHA512

        988ce998a13f4534981f1859683531c5dc6b09396bce49daea0c95a0f68b60e10723568495e7f922cf1ce9a69c9267a06c135f09e6fb3201408b64b23c1b350d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Z0UNWU5J\suggestions[1].en-US
        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/632-14-0x0000000003FC0000-0x0000000003FF0000-memory.dmp
        Filesize

        192KB

      • memory/632-4-0x0000000003F10000-0x0000000003F40000-memory.dmp
        Filesize

        192KB

      • memory/632-5-0x0000000003F40000-0x0000000003F82000-memory.dmp
        Filesize

        264KB

      • memory/632-6-0x0000000003FC0000-0x0000000003FF0000-memory.dmp
        Filesize

        192KB

      • memory/632-7-0x0000000003FC0000-0x0000000003FF0000-memory.dmp
        Filesize

        192KB

      • memory/632-8-0x0000000003FC0000-0x0000000003FF0000-memory.dmp
        Filesize

        192KB

      • memory/632-15-0x0000000003FC0000-0x0000000003FF0000-memory.dmp
        Filesize

        192KB

      • memory/4656-9-0x0000000004110000-0x0000000004140000-memory.dmp
        Filesize

        192KB

      • memory/4656-11-0x00000000041C0000-0x00000000041F0000-memory.dmp
        Filesize

        192KB

      • memory/4656-10-0x0000000004140000-0x0000000004182000-memory.dmp
        Filesize

        264KB

      • memory/4656-21-0x00000000041C0000-0x00000000041F0000-memory.dmp
        Filesize

        192KB

      • memory/4904-12-0x00000000021F0000-0x0000000002220000-memory.dmp
        Filesize

        192KB

      • memory/4904-13-0x0000000002170000-0x00000000021B2000-memory.dmp
        Filesize

        264KB

      • memory/4904-0-0x0000000002140000-0x0000000002170000-memory.dmp
        Filesize

        192KB

      • memory/4904-2-0x00000000021F0000-0x0000000002220000-memory.dmp
        Filesize

        192KB

      • memory/4904-1-0x0000000002170000-0x00000000021B2000-memory.dmp
        Filesize

        264KB