Analysis

  • max time kernel
    127s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2024 09:50

General

  • Target

    542751e8e64d10ff82ff68c514486246_JaffaCakes118.exe

  • Size

    206KB

  • MD5

    542751e8e64d10ff82ff68c514486246

  • SHA1

    e376fa75c0597a0b877fcd547355fd0e2ecffb19

  • SHA256

    803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726

  • SHA512

    2b9a16d54459c8c673791ba9d8f83fd1ea23a70deda0179dcccc5da688cdc5a69a25d9f8fede72b7f16f945970e0e739a69fbf1a7f09211fb1701200d226f063

  • SSDEEP

    3072:nZo0jJJKIEK2aVgxr6ygjxy7vupGaHuIO6n6:2YFhZLVyLupNu/+

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 34 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\542751e8e64d10ff82ff68c514486246_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\542751e8e64d10ff82ff68c514486246_JaffaCakes118.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:2228
    • 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:1100
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1100 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2452
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\542751e8e64d10ff82ff68c514486246_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      PID:2532
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:940

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Impact

Defacement

1
T1491

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\OSIRIS-20d7.htm
    Filesize

    8KB

    MD5

    0ea75aa883556b9f0d39e1ccb07cacdb

    SHA1

    0cad1c77131da838bcf7a828883c88d20d7d1452

    SHA256

    3bd1298b6b35a2da4fdf875021eefb4d227b330e88b7226be8feb1e3b3c2a1c4

    SHA512

    3a68ef241455db5d8c076ce92fe84d513de38707ac1d272109bbafa7794607a43dee4e3145a765b2946c4f55dae91f1f5446d479415ad613ad65fc8d6acb65c0

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

    344B

    MD5

    66c7f6ce2099d000ca15ab4eb12d07f3

    SHA1

    647d97440a92073c83760a26b4e8dbaf9c45d1c0

    SHA256

    fda7821795335d49cc0430a7db2e41dcf63cfe12c00c468677be456a42889873

    SHA512

    1f611e3bd8321f36c2ab0e0b8b8312d6f970dd227b0bf4e5937d6f2a39d92efda99802383f3d8adc94c0638aa1176dd515effac0ae0170c0cb90e9c137c46862

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

    344B

    MD5

    e7a002b8d5532597ba0b7c6d92665b79

    SHA1

    d916e917306e0f72afcf9912e2ad68cffedd57e3

    SHA256

    b9b7dc2f733acd3c044977044af59b7bf06dece060e07d9591be2c63e70bddae

    SHA512

    b88502016e06d8c68403b2066a52dffbcbe384d9593a2fb804e012ddb2206da5626871642648a78f9f2f1b86be84a117b26e0d0e3c5f11891d489e947d863f1c

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

    344B

    MD5

    1614cc3fcce62eab0040a333ab23e3fb

    SHA1

    ad2160c605daf69b552c93c174aec7ee3114a848

    SHA256

    5d9866aacf5ce56c536787b18460fe0d2707e57becbbc43f98e8bda68de26f35

    SHA512

    86557924eaa6bdc33858cc339c7647ac83e11d9d7f3b190457c3847820b48287a1cf140d84f6cb5c84b98a44300029878edc7b84eca41247f0882c8abd2830d8

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

    344B

    MD5

    b0612c970251cf594559479633142fc7

    SHA1

    7ebd8e9b33f6f5e5469b1c2b4f7720870032ace8

    SHA256

    6fbeed4b3abf7349d662dd3b1072e3b13b25fd762bfcf52abc543b9a855606ba

    SHA512

    411670ee91ad400b899c5400e52b58663f4a0fd871dcc48cb704280e8f252033e2787e2bd1641e3b76867f266656ae8c150841cdc1ceda4ea0fe1d88fc63a049

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

    344B

    MD5

    f99f1a58be3679636ec94c6cd6734d14

    SHA1

    eddb37cba3339be2cbe48d13e27839c6f4566d1c

    SHA256

    440d9d464ec289b02889e9be6815760ceb516c18731d8fb5db140910b412330e

    SHA512

    44b6d7f0f866b9c72faffc90d846cd6830083502941bd203368318cb2f5ee5ae8986b33e61602839d1c8673b1a3be26df524d4027bcf8a9c470ce976bfeab125

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

    344B

    MD5

    e107d29bf564df426cc52352771cf168

    SHA1

    4ba35a3b856e0001abe487eafe6d5d1d531a20fa

    SHA256

    3c9f8bbfddd2587fa432fa236cee2664967e6bb14385b2bdb978d1cb1e6a3802

    SHA512

    dd82ef9e26ebe16327e3ba127b2beb3f3b66958e28fbdcd32fa028275780a7c268a8172ec2c7049399716165e803d0aadbd8912cd09d1892eba5aa31f76860ce

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

    344B

    MD5

    c6073ada674b48c59f99778f8b010e70

    SHA1

    f696adfe4113abe22944abf0bc0ef75e43d60bb4

    SHA256

    a176e4020d53113af9f750f87f4823a0bc7e3ec0332105f7b570fa1b49b43a51

    SHA512

    f19602f671620b886cbec5d7d63e51fe2b7314423f59a9e6ca9076375bb5408fc25ddbe32a9b85313a2ca68e5d58bf950691a8a1e7e97ba9c09140c0fe4d4585

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

    344B

    MD5

    dbb249275a3d1b616f751ee2f880b892

    SHA1

    be3cfb481c59643be115cdaa54968532fb267b9f

    SHA256

    af20fab9f84e567303e21d326d4c0e861f6982dedbbb128bb3b27acab7cd7096

    SHA512

    4585bc9274935b7da29aab12fed05a2594d40d317a90e1567435b85da88e2a48c97346e1839bae5df9185623d596a230727dde409cab138084fd858f1ecb07e0

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

    344B

    MD5

    98914e5b7a03a12bb567c147f8bb5cdc

    SHA1

    a23be1bde642f77de8d72e22080a9e79ec8e974a

    SHA256

    c18d7fc19564b91d20d5f0e3553ef50c1e96791cc73e73d5aef0e6881b001613

    SHA512

    4070b50eeef3bd604935555de30801e4cb0994aa1a703165b14f6265d0b482c709008b0680cbcc31db779599ca49894a3e3816398238d2cff48c515e25e46443

  • C:\Users\Admin\AppData\Local\Temp\CabED9C.tmp
    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\CabEE89.tmp
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\TarEF39.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\DesktopOSIRIS.bmp
    Filesize

    3.1MB

    MD5

    d5b460eae3d863f8a986b46c7368bc41

    SHA1

    6fdee1b8c040d4b472e5927bffa66bea252e1d8e

    SHA256

    de1d8f68da71289f97bcc582ae648cecaf5c0c8f0995a0e890484e1c8a597694

    SHA512

    a158effabaa4c0fe142aefa0e3bd44ed1a6bb2a81b20f454d83360dcd88a4a401f1f9b6fed2277c1f5bc5ab37a18a6509a388dcc0d860118c43ce34f3e7958e8

  • memory/940-350-0x0000000000750000-0x0000000000751000-memory.dmp
    Filesize

    4KB

  • memory/940-828-0x0000000000750000-0x0000000000751000-memory.dmp
    Filesize

    4KB

  • memory/940-348-0x00000000000F0000-0x00000000000F2000-memory.dmp
    Filesize

    8KB

  • memory/2228-10-0x0000000001CD0000-0x0000000001CF7000-memory.dmp
    Filesize

    156KB

  • memory/2228-351-0x0000000001CD0000-0x0000000001CF7000-memory.dmp
    Filesize

    156KB

  • memory/2228-347-0x0000000000300000-0x0000000000302000-memory.dmp
    Filesize

    8KB

  • memory/2228-342-0x0000000001CD0000-0x0000000001CF7000-memory.dmp
    Filesize

    156KB

  • memory/2228-19-0x0000000001CD0000-0x0000000001CF7000-memory.dmp
    Filesize

    156KB

  • memory/2228-20-0x0000000001CD0000-0x0000000001CF7000-memory.dmp
    Filesize

    156KB

  • memory/2228-18-0x0000000001CD0000-0x0000000001CF7000-memory.dmp
    Filesize

    156KB

  • memory/2228-1-0x0000000000440000-0x0000000000441000-memory.dmp
    Filesize

    4KB

  • memory/2228-8-0x0000000000440000-0x0000000000441000-memory.dmp
    Filesize

    4KB

  • memory/2228-7-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2228-5-0x0000000001CD0000-0x0000000001CF7000-memory.dmp
    Filesize

    156KB

  • memory/2228-6-0x0000000000490000-0x0000000000491000-memory.dmp
    Filesize

    4KB

  • memory/2228-4-0x0000000000450000-0x0000000000451000-memory.dmp
    Filesize

    4KB

  • memory/2228-3-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB

  • memory/2228-2-0x0000000000400000-0x0000000000436000-memory.dmp
    Filesize

    216KB