Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 13:18

General

  • Target

    dbb8a830f9288e1a268901c7867b3536.exe

  • Size

    14.2MB

  • MD5

    dbb8a830f9288e1a268901c7867b3536

  • SHA1

    18052820e7221bb5cd44898665fb2bafa7189b4b

  • SHA256

    bab1c0bac0b402b44d52b9b1be9f102995db318bcd1fa07f507ccbe8d3785bef

  • SHA512

    154990cb81585ba14ee553ce2d490e55b7a82645b0bbf0e6369589353bd8e39e726e27925e31238f1eea85d17b7abcbb3b423450dfc87cb3c97569b9303c3bc6

  • SSDEEP

    12288:9Tvdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd6:5q

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 10 IoCs
  • Modifies Control Panel 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 45 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbb8a830f9288e1a268901c7867b3536.exe
    "C:\Users\Admin\AppData\Local\Temp\dbb8a830f9288e1a268901c7867b3536.exe"
    1⤵
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies Control Panel
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3372
  • 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:1352
    • 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:2716
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2716 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver5BB7.tmp

      Filesize

      15KB

      MD5

      1a545d0052b581fbb2ab4c52133846bc

      SHA1

      62f3266a9b9925cd6d98658b92adec673cbe3dd3

      SHA256

      557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

      SHA512

      bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RXB2E2AL\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • C:\Users\Admin\AppData\Local\Temp\advsec32.dll

      Filesize

      4KB

      MD5

      97c92f4457dd94d678d4c9e4bdd8352f

      SHA1

      8d80f3cead2b0c5b2b80feb548131daf4d33297d

      SHA256

      eed7377eb708d163ad0e8c50ef40d8ea8d15124832904ac1318a3fd10728ffd3

      SHA512

      f07bc6be6a70ee28c5dddfcc036c6f3c17abc89f1240a688519c2d39a3012016b13689577dd62f2391153f837cbed5ed127568f14523ac0d6b33c516e0f51e75

    • C:\Windows\SysWOW64\dispsqldisp.exe

      Filesize

      476KB

      MD5

      385c2f0e2cbbdb3cb198b1856acb6c2d

      SHA1

      2dab3d3380958cd94ece5e6c5793e4a6c3539b60

      SHA256

      f518a6bd499de7d8b89494172ae21ccd4fb8a63e48c9e0f44f7b6911875908f3

      SHA512

      f063404ae37b6047050635243190c69fd96399fc0ef869af91f710c43bee01db3888b958a6a1a7bce76a606af53d9f958b306dede77a25dd8c41bffa3803b004

    • memory/3372-0-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

    • memory/3372-4-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

    • memory/3372-13-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

    • memory/3372-15-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

    • memory/3372-19-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB

    • memory/3372-31-0x0000000000400000-0x0000000000439000-memory.dmp

      Filesize

      228KB