Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 19:09

General

  • Target

    72f633f58d227097bfdecfe376d43a33_JaffaCakes118.exe

  • Size

    8.2MB

  • MD5

    72f633f58d227097bfdecfe376d43a33

  • SHA1

    326ddce87207893711a87ba68b53a61da368947c

  • SHA256

    c65046f87d5ceebfe71df19347ce5e768354b4a160d9b9f5b4a753c5dab06ff2

  • SHA512

    ed8c23be8ca9126b7870c0cdb6c0d8cb20213b1d5b8781db6f6574825e5fcb982c6a11890f0afd4165cf8b07b824bb401f3b7b916a85548c8f74b2dbf4714556

  • SSDEEP

    196608:uB0vB4AxB1OsjEO99SacEYaokwEfV5vrI4FgBDpbY:uBG4oSagb/2jIkgTbY

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 11 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 52 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72f633f58d227097bfdecfe376d43a33_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\72f633f58d227097bfdecfe376d43a33_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Users\Admin\AppData\Local\Temp\72f633f58d227097bfdecfe376d43a33_JaffaCakes118Srv.exe
      C:\Users\Admin\AppData\Local\Temp\72f633f58d227097bfdecfe376d43a33_JaffaCakes118Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4028
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3648
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3648 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:736
    • C:\Users\Admin\AppData\Local\Temp\72f633f58d227097bfdecfe376d43a33_JaffaCakes118Srv.exe
      C:\Users\Admin\AppData\Local\Temp\72f633f58d227097bfdecfe376d43a33_JaffaCakes118Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4648
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4648 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2024
    • C:\Users\Admin\AppData\Local\Temp\72f633f58d227097bfdecfe376d43a33_JaffaCakes118Srv.exe
      C:\Users\Admin\AppData\Local\Temp\72f633f58d227097bfdecfe376d43a33_JaffaCakes118Srv.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:4020
      • C:\Program Files (x86)\Microsoft\DesktopLayer.exe
        "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4904
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          PID:2500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 1500
      2⤵
      • Program crash
      PID:4928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 1712
      2⤵
      • Program crash
      PID:5068
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2296 -ip 2296
    1⤵
      PID:1824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2296 -ip 2296
      1⤵
        PID:4532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        471B

        MD5

        c41ab5352ba79baac9ac093dd7eb2500

        SHA1

        1ffb0e70f86845daba211aeda43cad539d34ffd3

        SHA256

        558e13bb7aa293569457e9703d2db37e8365e2ab670b2c3484ada9336ed24895

        SHA512

        ccebe3f11039e14d39d4102652669fd372d179778bf73fae0659dd01da569bbf850b273cd3a4e13dc77b3fd4fb4d84d01525ac3a0dcb23b297c733da10bc2ff0

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

        404B

        MD5

        671f0c99a803bd9c8eb2ab864bd627f8

        SHA1

        3f3445dbf27756af849b67cead1ce13d4d37b6a0

        SHA256

        36288237f31246a6c8cf8e6727f5a1afd2c4c1497238d9ffb0cbc91400b40fb0

        SHA512

        c3c73dd8e8e57ec6d984dea9dba248997d19b0dea3cfb480e1e6f798db220081c371601d7adf985d9976177c840db897d964ccd64817cc0051dc8027a7f77a16

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

        404B

        MD5

        261d750013a322b18520e9c829674767

        SHA1

        40f4f588132ee0cd951ea8a54600658b9ee5c669

        SHA256

        e7fd0a500edb8576f69ec3e3990731c1de00146ebdd67edf3aeb176973e9c5ce

        SHA512

        620434304807d3d4dde29538a12c817f2aa6b0b45685a9a25f1dffb02e1e63b53b92dc6eab019941e75f0dc00f964e9a61bd4f61c36e488508e44a6b63fa6e0b

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{61B9727C-1ACA-11EF-BCA5-4A7C5F4B2F01}.dat
        Filesize

        4KB

        MD5

        f6c4badc6534e6ab6bc5f83756f77c8b

        SHA1

        1e9389908735df7d4e0717635147d13c00d5bea4

        SHA256

        82f4b65f30620047d547f6151cc1db52ff36394fb0c8072ba2f1da7c25310720

        SHA512

        6f6e6bcf7793fc1691c561088636cb4fad17f732787bde215e0002fae5a90e8d3f25fd2d6c4d4dbf1939d2e96ebcd57d4e3d8dca2108b659048be1f1388fd784

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{61D14A0E-1ACA-11EF-BCA5-4A7C5F4B2F01}.dat
        Filesize

        5KB

        MD5

        f63af5916bd493c2640fc00f5369a257

        SHA1

        95c89d216b3d1034feb68cc2201987b55d819137

        SHA256

        db5dc41446f51739a3570458e41abb5b26f1e012fc3e228f91ffaf060947b35d

        SHA512

        8abaf505d9a2779d1befb2a6171614674ef64d3cf6d87606e020f8bb76bbddde76d1315a7c40c722e2a10028465bbbf4cae3bd073948c70f80ec83c603427923

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verCC1A.tmp
        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

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

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Users\Admin\AppData\Local\Temp\72f633f58d227097bfdecfe376d43a33_JaffaCakes118Srv.exe
        Filesize

        55KB

        MD5

        ff5e1f27193ce51eec318714ef038bef

        SHA1

        b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

        SHA256

        fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

        SHA512

        c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

      • C:\Users\Admin\AppData\Local\Temp\987124\GMSkin_Image_2012_v1.zip
        Filesize

        388KB

        MD5

        a1bc3b1cfbc2bca222149f1c8e035fa9

        SHA1

        3b83e21d38de489bd1aa4e875a3c98f58095ac8c

        SHA256

        f3d7906579bafe366da8f1779a34a103412fb1122cc38951ab2173bd3d6289fd

        SHA512

        d8bae9cf73ef484b10b84c386b7b311be5f5a07b2c38808d64fffa695fda7bff35b24797c179030a5a5ad30883ee4212236c40fb1020dbc0f6350f86ab7b4572

      • C:\Users\Admin\AppData\Local\Temp\987124\MyNsisSkin.dll
        Filesize

        384KB

        MD5

        a6039ed51a4c143794345b29f5f09c64

        SHA1

        ef08cb5dfa598d9d5b43b8af49f54b2c7dac00d4

        SHA256

        95ae945504972cadcf2ccfb2b3d02ea8cade3ee53f2f2082e8b40b61f660877a

        SHA512

        0ed3d0c070bfd91e2355aec5a30ad5cbaf6949c965af5e0ee1ecf2edd5f5aeba3819b4667a0301f8b52c8fd56d3bae35fa4f77063d56c8f89055784d0c0a30a8

      • C:\Users\Admin\AppData\Local\Temp\nsf53CF.tmp\ButtonEvent.dll
        Filesize

        4KB

        MD5

        fad9d09fc0267e8513b8628e767b2604

        SHA1

        bea76a7621c07b30ed90bedef4d608a5b9e15300

        SHA256

        5d913c6be9c9e13801acc5d78b11d9f3cd42c1b3b3cad8272eb6e1bfb06730c2

        SHA512

        b39c5ea8aea0640f5a32a1fc03e8c8382a621c168980b3bc5e2897932878003b2b8ef75b3ad68149c35420d652143e2ef763b6a47d84ec73621017f0273e2805

      • C:\Users\Admin\AppData\Local\Temp\nsf53CF.tmp\MyNsisExtend.dll
        Filesize

        596KB

        MD5

        37e4e1ab9aee0596c2fa5888357a63b0

        SHA1

        a5dba8c0a1bd936dca2b6a81f2dc9a3005f1a2b6

        SHA256

        ff4b245fea98cedd881ca102468623a449a0b40df0c557dd8a6ea32e788d56fe

        SHA512

        5cbab2872683079c6cc09423a2baf7107b5ac5731f336cd237fa93a4a4ee53a127963dc0ec0dbc6168b9b3d2c3a881c7663ce4ecd84d964628dd566395d49bb3

      • C:\Users\Admin\AppData\Local\Temp\nsf53CF.tmp\System.dll
        Filesize

        67KB

        MD5

        bd05feb8825b15dcdd9100d478f04e17

        SHA1

        a67d82be96a439ce1c5400740da5c528f7f550e0

        SHA256

        4972cca9555b7e5dcb6feef63605305193835ea63f343df78902bbcd432ba496

        SHA512

        67f1894c79bbcef4c7fedd91e33ec48617d5d34c2d9ebcd700c935b7fe1b08971d4c68a71d5281abac97e62d6b8c8f318cc6ff15ea210ddcf21ff04a9e5a7f95

      • C:\Users\Admin\AppData\Local\Temp\nsf53CF.tmp\nsDialogs.dll
        Filesize

        9KB

        MD5

        c10e04dd4ad4277d5adc951bb331c777

        SHA1

        b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

        SHA256

        e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

        SHA512

        853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

      • C:\Users\Admin\AppData\Local\Temp\nsf53CF.tmp\nsRandom.dll
        Filesize

        77KB

        MD5

        d86b2899f423931131b696ff659aa7ed

        SHA1

        007ca98f5d7921fe26fb9b8bd8a822dd5ae09ed6

        SHA256

        8935cba8e9b276daa357a809e0eca3bebf3fdc6d0d3466ab37fb2cbbfacd3a94

        SHA512

        9a4437ab484e4e22597c642d21b0107a063a208a582df3a5bf276466ad8d0ba9aeebac6de8dcf1372939984bb187d58e94c799918cfbe80e85c958bf0a537fc7

      • memory/1688-9-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/1688-12-0x0000000001F00000-0x0000000001F0F000-memory.dmp
        Filesize

        60KB

      • memory/1688-13-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/2008-62-0x0000000000670000-0x0000000000671000-memory.dmp
        Filesize

        4KB

      • memory/2008-64-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/2008-61-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/2296-127-0x0000000002190000-0x00000000021B1000-memory.dmp
        Filesize

        132KB

      • memory/2296-36-0x0000000002190000-0x00000000021F2000-memory.dmp
        Filesize

        392KB

      • memory/2296-106-0x0000000010000000-0x0000000010015000-memory.dmp
        Filesize

        84KB

      • memory/2296-98-0x00000000030C0000-0x000000000315A000-memory.dmp
        Filesize

        616KB

      • memory/2296-86-0x00000000030C0000-0x000000000315A000-memory.dmp
        Filesize

        616KB

      • memory/2296-29-0x0000000002190000-0x00000000021B1000-memory.dmp
        Filesize

        132KB

      • memory/2296-6-0x0000000010000000-0x0000000010015000-memory.dmp
        Filesize

        84KB

      • memory/2296-28-0x0000000002190000-0x00000000021B1000-memory.dmp
        Filesize

        132KB

      • memory/2296-126-0x0000000010000000-0x0000000010015000-memory.dmp
        Filesize

        84KB

      • memory/2296-129-0x00000000030C0000-0x000000000315A000-memory.dmp
        Filesize

        616KB

      • memory/2296-128-0x0000000002190000-0x00000000021F2000-memory.dmp
        Filesize

        392KB

      • memory/2296-44-0x0000000002190000-0x00000000021F2000-memory.dmp
        Filesize

        392KB

      • memory/4028-45-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/4028-27-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/4028-25-0x0000000000560000-0x0000000000561000-memory.dmp
        Filesize

        4KB

      • memory/4904-105-0x0000000000570000-0x0000000000571000-memory.dmp
        Filesize

        4KB