Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 02:05

General

  • Target

    d57cc56d0b63ebcd95a6636fcce2b6ba_JaffaCakes118.exe

  • Size

    782KB

  • MD5

    d57cc56d0b63ebcd95a6636fcce2b6ba

  • SHA1

    c2bb1490ec48451657aa4ed6961a2e3f72e321a7

  • SHA256

    d4b7778569d660045763eaeb7982bde5e823659471652f5f5344965d713990b1

  • SHA512

    66b62a1e673be20b43c8bc2bb577b9a30eb313a7061c46f7b149d03f925e9c7b7b21bea21a3acc4b61aaff7609b531c6cdb0bf1a75df802e4ad133e4d4270909

  • SSDEEP

    12288:1/x6eupBHuhReiETAFpei/8dWHmVPlZfvBnRTg9FSZg44CetgrwLVeGskq:1Z6eGZoScFpZaO0lZ3oFJ7nLN

Malware Config

Signatures

  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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
  • NTFS ADS 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d57cc56d0b63ebcd95a6636fcce2b6ba_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d57cc56d0b63ebcd95a6636fcce2b6ba_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5024
    • C:\Users\Admin\Documents\f1.exe
      "C:\Users\Admin\Documents\f1.exe" /stext f1.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1712
    • C:\Users\Admin\Documents\f2.exe
      "C:\Users\Admin\Documents\f2.exe" /stext f2.txt
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook accounts
      • System Location Discovery: System Language Discovery
      PID:3208
    • C:\Users\Admin\Documents\f3.exe
      "C:\Users\Admin\Documents\f3.exe" /stext f3.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3784
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" %1
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4060
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4060 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4604

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

          7f9b88e0292691833018388229acfbfa

          SHA1

          50e3d82743913a3f81313549c45dab1ebc3bd69a

          SHA256

          2b930c9f3a0fff3fec9effa7f5d159d5b5c81465a1e23cf040cbcd6ab085b119

          SHA512

          e74cc60bceecdcbe66a67f62921daad7de864d20de476a3a18484b811ba97d1cafe702c2eacb6ba432119186db27f76ffc0fc692fd320d0c0228ec5d598c68a8

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

          Filesize

          404B

          MD5

          4ee13f1dbfafa3f1d4a81cc4977b4c1c

          SHA1

          c85ad27c7180cdca558b50b70b7c9863012c5a05

          SHA256

          5b40db697095813e243543efe1127e8b0540b745e6e1c269087f2257e21d9b00

          SHA512

          74420103f94529c224c353253e2a0a5cb0d36097507ab595e9e56c5c423dab0fcb99f212020f0eb03821e0873ab489dad2a1748d95ec4b21a624aba18cbfd548

        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver589.tmp

          Filesize

          15KB

          MD5

          1a545d0052b581fbb2ab4c52133846bc

          SHA1

          62f3266a9b9925cd6d98658b92adec673cbe3dd3

          SHA256

          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

          SHA512

          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Users\Admin\Documents\f1.exe

          Filesize

          68KB

          MD5

          e885d2504ec228e719f1fd074a7b77cb

          SHA1

          1b8b3aa49b6727f52c58ab860bb29b96e03845ff

          SHA256

          6b121b152a161aee70374868bdbc618595decee0122d17f77779f565343f0b01

          SHA512

          a26eecc2bb01d9f8a77104375ab598546cb36c66ff2cbb2550627190bf05689b4f7ef123f11dcbb7c385acb7fa3e126175fb5d7d1ba003c1f13245cf70a504af

        • C:\Users\Admin\Documents\f2.exe

          Filesize

          105KB

          MD5

          e836f9a8a345ee27dc2735ad9b501859

          SHA1

          39d3cfb57ffb355ed7e122adfc02afc4d1b443e5

          SHA256

          394b942c5d2c2c032bf20ae5a375a06c493b7a8362766f8273ff49a8288a57a4

          SHA512

          314fa6c86520304ae07cc7539b675661fec3cdb467be05f569e11f38a8cfdea9fbfccf926a391f26e693bf1aedae5e2774a0434671bc92bce01ffd9a201bbc4d

        • C:\Users\Admin\Documents\f3.exe

          Filesize

          94KB

          MD5

          4103cd9fc3a04d05e05ab7aa727a350f

          SHA1

          708cb4f67d715b7578d9fe908cc295b18e11ae26

          SHA256

          1bcd423231cc61e8a0e079fbf1e88f3f48dc8e48e6f9e9e4b47f087a71364ba9

          SHA512

          09f69c40234f67f402f795deaaa227fa12651f40b7e6e111b4fccd91a57784bee5be332dda8bcaab8ce6aaff4f739d070877d2c576157ae30d30a5a6e6e9a0b3

        • memory/1712-15-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/1712-12-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/3208-29-0x0000000000400000-0x0000000000445000-memory.dmp

          Filesize

          276KB

        • memory/3208-26-0x0000000000400000-0x0000000000445000-memory.dmp

          Filesize

          276KB

        • memory/3784-40-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/3784-42-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/5024-43-0x00000000006A0000-0x00000000006A1000-memory.dmp

          Filesize

          4KB

        • memory/5024-44-0x0000000000400000-0x00000000004D1000-memory.dmp

          Filesize

          836KB

        • memory/5024-0-0x00000000006A0000-0x00000000006A1000-memory.dmp

          Filesize

          4KB