Resubmissions

28/03/2025, 16:52

250328-vdc6kazry9 9

24/03/2025, 22:22

250324-2aphra1jx7 10

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2025, 16:52

General

  • Target

    34818CE171EA150B91429AC1DD6FBE49.dll

  • Size

    170KB

  • MD5

    34818ce171ea150b91429ac1dd6fbe49

  • SHA1

    765f7cea9ae6e126181e5a78b897304913530d4d

  • SHA256

    502386cb2288ce85af522da55916b5a05c71d9a32a80cec396bc4cdd0e0ac665

  • SHA512

    e44b009eef9710787ddf63d5038e15112969ef5ac952520f772b5ab78dfe57c42f7562044642f573c9480c76569ef9a7912cc5cd1b0472e4d61c25e79a03bfb0

  • SSDEEP

    3072:xUiScf7Taa44mVg6zMe4sfPZfE8dreM9aSW3OKojVbc7n4CRWLvSFlp6+qvv1:xUUm4mG6zwQLaM9aKjRg0SLlK1

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • 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 33 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 17 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\34818CE171EA150B91429AC1DD6FBE49.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5784
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\34818CE171EA150B91429AC1DD6FBE49.dll,#1
      2⤵
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer Protected Mode
      • Modifies Internet Explorer Protected Mode Banner
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5600
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2540
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer Protected Mode
        • Modifies Internet Explorer Protected Mode Banner
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        PID:2532
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer Protected Mode
        • Modifies Internet Explorer Protected Mode Banner
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        PID:2656
  • 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:1936
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {3eef301f-b596-4c0b-bd92-013beafce793} -Embedding
    1⤵
      PID:816
    • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
      "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
      1⤵
      • System Location Discovery: System Language Discovery
      PID:4908
    • 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:4828
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4828 CREDAT:17410 /prefetch:2
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2240

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\PROGRA~3\NOTEPAD.EXE-x.txt

      Filesize

      545B

      MD5

      0695154188ba91a6820b3c441cf02660

      SHA1

      f2a753d5fc6e45f79dc05b5fd7cc1b6434970f73

      SHA256

      89a08f3a266908ded995a83b507d7648cd90480a7eac1e603390be10dbe5348b

      SHA512

      3c3583351a98a1e9f4fc3d0bfcb54f6d0a86191dabc4513079d64ca60cd3ccbacd60043692ca37579c6d5d81c565525974d0b688704fb2e51a2f4917067f0453

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

      Filesize

      471B

      MD5

      0c5ef9158dcdd3b41a7e84c5e760b59d

      SHA1

      9cb930588b30e4399d0fbf73a559b2d89373a6a9

      SHA256

      95c2b916d5668f7823fc9222d4cac008570c4f1866a3ef2b4175cb1ea5bbd9d9

      SHA512

      13cf19b192d4b6365ab09e13b5ffc6c26470ff51527d8e49fad7aa410df5a7bc6557e731d5b49fa7c19cd9b677764422d2f57c10d2578cdfdf91cd1120db9c4e

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

      Filesize

      412B

      MD5

      0996ac5d423664522a606aeffd4483b5

      SHA1

      6e404f1b090f716690d39689248bbd5717ef6694

      SHA256

      f103af44f3370c9376e2f5284cfd6748b1e9a626af683ea4247967467aecdd46

      SHA512

      76089e4ea299048ab4c6a4182e3d06de3ac4bed9132727d914c3c9f923660295cd34806dd7242ea4ab68fc3cfc99666869f0db400cee207a872b8e122be51009

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7P8EHEOE\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • memory/2532-18-0x0000000003960000-0x000000000398B000-memory.dmp

      Filesize

      172KB

    • memory/2532-17-0x0000000003960000-0x000000000398B000-memory.dmp

      Filesize

      172KB

    • memory/2532-10-0x0000000003960000-0x000000000398B000-memory.dmp

      Filesize

      172KB

    • memory/2532-11-0x0000000003960000-0x000000000398B000-memory.dmp

      Filesize

      172KB

    • memory/5600-16-0x0000000002D20000-0x0000000002D4E000-memory.dmp

      Filesize

      184KB

    • memory/5600-0-0x0000000002CF0000-0x0000000002D1B000-memory.dmp

      Filesize

      172KB

    • memory/5600-23-0x0000000002D80000-0x0000000002DAB000-memory.dmp

      Filesize

      172KB

    • memory/5600-1-0x0000000002D20000-0x0000000002D4E000-memory.dmp

      Filesize

      184KB

    • memory/5600-2-0x0000000002D80000-0x0000000002DAB000-memory.dmp

      Filesize

      172KB