Analysis

  • max time kernel
    139s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    15-05-2024 16:24

General

  • Target

    4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe

  • Size

    395KB

  • MD5

    4702bb70196fe10d61993bfe8f54da76

  • SHA1

    e546e0859edfeaae9a516d57a1b934c75bcb74b9

  • SHA256

    d905b57d7913430f33e03ab345a0d10f8d64b2132622de69905e631aa74ec9cb

  • SHA512

    1634cdc2c2f8971f48369af01f70aaa45aff00d5f1e9f6d5009e998fb7d257b242ccc3dfca91ac677bcef07577c0ece30dec3d77bad68b39128103ca6d948d22

  • SSDEEP

    6144:VG4GadNgCZtHYi7S82RRxysGFH4Rexnkqn1DPVGN:A4fdNjtHYXHlGV4arn1D

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

  • Locky (Osiris variant)

    Variant of the Locky ransomware seen in the wild since early 2017.

  • Deletes itself 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\DesktopOSIRIS.htm
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2016
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2016 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2792
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      PID:1224
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\OSIRIS-b503.htm

    Filesize

    7KB

    MD5

    706694783912c7b19acf7ea61ba06d54

    SHA1

    8d2b6cd452546a47f3c4f41f072987078336d9e7

    SHA256

    d18cdac72f7271fdd8252e471755983764fd713b4aa90c08e90c3f7a5259f26c

    SHA512

    87488334764ed59c129a96f5429b86632dcd2f12065ecc498a53d1c154cb2866024417c9563b5622127ee24503a72caa2f57fdd2c75cd67d597002b57f8115e4

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    f1b27b18a2911db0f32b67a3d4dc4a7c

    SHA1

    09bb5cfbef604d2bf277887f5fbe976a1d7a1267

    SHA256

    f87053e29c2508c65d3c01e56bbe036849a64f0c4d90bfed9e1700ceb46a5839

    SHA512

    2ea41125cf005de54dfc876035a4d89a51758fb50643c2ef7c2e441c51c6d19f01aec3f058d6960e1747eac8819b824c0aeeda9b2bae16e33b0d3f7cdba59930

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    64905b927774844da2e8c89fae382d7e

    SHA1

    ad829bc6d018fa45e86f0b6f3e6f6f6dd866d381

    SHA256

    d77f17f1c299bec083d54341cc120269899bad8ddf4469df79067c91b1a88208

    SHA512

    c577358d573dcacbebbea779f4a77b824e777e91cd4809f4ea35ee09770d7c72ffb8381655a8db16eedd0b306979a2b2f7bfeb0e7687959b3c7bbb8fd30e885c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    bc225512b42393ac5a1777d9b9d7ef57

    SHA1

    daad5bc15abad2b947ccde3daf8e54d6265201dd

    SHA256

    92c92da49936966651a50405302766de6f46a95e33ffc813b5c5edbd2132e535

    SHA512

    095274cd779fe61e09de7402cf9bcaab8c30f9bc8e1a9e11172e5ab6877782afff33483fdeba5a10dc7e50024796ff0597dee93251d3977c7fea4f343b3abb30

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    3b5cfe41b5ef16f496219d2aa0f70b52

    SHA1

    e3133e0527e6080b598629c93e69e873ba63f4fc

    SHA256

    c6a74506309f4d80c6ede6bf977afa2897c96c0bcf0bbc9f06cb53a370632ca9

    SHA512

    3b0ef0968f269966237350500ad5bbcbd4f7b70a87c944e8089c993338a9ba8606272545844da63f3daca8a99c56ca484c17ae40424a7839a654a6ee85ce75d7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    5c2a5d4a0c2ea0d6e431f7e42bfe9a5f

    SHA1

    56539d54f240b336ac39edb1bb5ca6759aaf5aaf

    SHA256

    2dde1c4478d70fa069fbecdca280d280b8b3ec5a5629b1f37b7153d7e1cdf2fb

    SHA512

    035ef8b15fa12be621bbd5c08c274b64cc9d88a4a97a4eb0d2ce886467e4fb9c8c43da4b434a8b71be4a6dee265989942d1d4e685344d99b20df4e6858ff3a16

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    5f3bb3e0d705deb72539c5602944171c

    SHA1

    9994164d868364337c269adb53cb4e43f87ba97a

    SHA256

    26b39a2d9f7c2837a98c650574e6960e632ee6bcd53d474d2f9853bcb5c9b44e

    SHA512

    4c5ac54d9f6150192b73aa32ccae908fe20240d00db728fc1cdd542587553c1e062eed41e623b56ba00d7f7cd7b88eac6b85a04482e99be02913b0a1048171b7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    693cf4185f91dacc14e8a3d04c63cadf

    SHA1

    013395f39766529516071a3755410202b9f89db9

    SHA256

    c8154a04525c9d9669d36bdd4c0849922903f1854128082b37e06f11f81f941b

    SHA512

    528d6532e71543189f4821c910d5679c1696710e745395f391cace558f0f744c8fb5eb3b9be3dddb15ce2b6a39c3c0471b632cfc0581b47b351fce95b1ec5ca9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    2e78858843f801fc53201ab31a022af1

    SHA1

    573a00fdb9489d968457d5e41077935e863531c1

    SHA256

    b05d700e6529f1d7befe712def20917c81df4e308ac6d20a58206bd78d3a7ff4

    SHA512

    748afb05c2036dc25566f322a5ce913226df54a607601eff2b52b5f6e85ffaffec1da6abd64a7709e0d3cb09d86e319c49fdc08c3b7edfbebad17675c118284e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    6e6493f1091859e3d23137845a0e4292

    SHA1

    bab7f548a3bc638c7e3597d2b8ef4918f3ccafef

    SHA256

    6e6b5ce6f278beabc612e499e927a5aa920101cdb1f6d8d215d683730745a29c

    SHA512

    040eb205e489c02eda629213f1a236632359f46a9e2e37c2934a52750bf9b4842fb61832dddb49244f7ac7d4b365247e85dcf84badd9c55869e9b4b43edf4c56

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    a3ce294b9a359e366be6b2995dac41af

    SHA1

    24d1482b52704266405ca0e78783fe98f5157934

    SHA256

    ba9277f0e4a5f5468bfec54fdcdc979e9fdf095bd91bce9658469506c42fad59

    SHA512

    29aa3ac090acf11009c293f0140cac2994d082cea7a9a3c2b6fda7a0515aa1b871083a4b9572bcd1a1d2e7b9285fcb0b5eb57bc5c48df009c8cc144022059362

  • C:\Users\Admin\AppData\Local\Temp\Cab5A82.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar5AE5.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\DesktopOSIRIS.bmp

    Filesize

    3.4MB

    MD5

    ce9ebe605ffe48484f08cf449ec1051c

    SHA1

    c686f2ef7666e0ac4ebb05ff159c6b86254fa100

    SHA256

    c00c688e4eab24b270e6b73d306d08b18ab83944394f1759afedd8514fb87542

    SHA512

    703d5afeab3270b9ec517fabf7682f841dc16c3094beeccac846f5f6350e48d12762b58136c1c0df27863bae39bcaab0bd3e5cf8af069ed121401eed7efd51a2

  • memory/1264-9-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1264-10-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1264-351-0x00000000029C0000-0x00000000029C2000-memory.dmp

    Filesize

    8KB

  • memory/1264-346-0x00000000024A0000-0x00000000024C7000-memory.dmp

    Filesize

    156KB

  • memory/1264-18-0x00000000024A0000-0x00000000024C7000-memory.dmp

    Filesize

    156KB

  • memory/1264-19-0x00000000024A0000-0x00000000024C7000-memory.dmp

    Filesize

    156KB

  • memory/1264-17-0x00000000024A0000-0x00000000024C7000-memory.dmp

    Filesize

    156KB

  • memory/1264-1-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1264-0-0x00000000029D0000-0x0000000002A41000-memory.dmp

    Filesize

    452KB

  • memory/1264-6-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/1264-5-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1264-4-0x00000000029D0000-0x0000000002A41000-memory.dmp

    Filesize

    452KB

  • memory/1264-2-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1264-3-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1296-352-0x00000000000B0000-0x00000000000B2000-memory.dmp

    Filesize

    8KB