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Analysis

  • max time kernel
    118s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 13:08

General

  • Target

    ff58c582a7e6c79deca459526e6fc266_JaffaCakes118.exe

  • Size

    2.7MB

  • MD5

    ff58c582a7e6c79deca459526e6fc266

  • SHA1

    09953b392528e3b5c1a4eca4738d8bfcff929979

  • SHA256

    6b987c9b8cf3809e352161df638d2826b914725e06b7b63d3cf4cf0f249dcea1

  • SHA512

    89cd7cc6f7a6d9b0cf50e2e446bad1375bcf8b1926d05ae0ead8f99ec0c47cda26dd5e12eb7a22c2f8222a2ff50bb6642ce22899af72f8bcff6e32ecdf1149d4

  • SSDEEP

    49152:G2bkorQrpevkC2sFEC9AJ7GKJ4R9Uvc3m/MPV3G8C26JY6R1lstNS8va4R9j:8o8rcMC2sFEC+J7yHUv38C5hX+Ska4Hj

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff58c582a7e6c79deca459526e6fc266_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff58c582a7e6c79deca459526e6fc266_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1136
    • C:\Users\Admin\AppData\Local\Temp\ff58c582a7e6c79deca459526e6fc266_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\ff58c582a7e6c79deca459526e6fc266_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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

    Filesize

    344B

    MD5

    89bcad6023aa61eff8bf4fdd2fe37cc7

    SHA1

    90dd8158f0406df3f386cc42f570bd2a61a0bf0a

    SHA256

    54b08b0694153010e282194ceca8aec47312e3c12e025e607966b9041694ae8b

    SHA512

    61410aea4ade257c41af99c1eeb3db1f70e187f3bd34e61377ded7e90d3a7a933dcd7e3e0b1aa865780c73b73795e7359993054064a98b6ff4d0d152fbb8f03d

  • C:\Users\Admin\AppData\Local\Temp\CabB666.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarB6B7.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\TarB843.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\AppData\Local\Temp\ff58c582a7e6c79deca459526e6fc266_JaffaCakes118.exe

    Filesize

    2.7MB

    MD5

    7020df9dd05909b1fb8ed899c2a14d2a

    SHA1

    7549a426b37a3cea3b05ad88e7e6a7a5bc4591aa

    SHA256

    a8a768b9efc361126f472ce8cf65eae251a015a7a020d555832f32aac70fccd2

    SHA512

    49f94bf66992301c6c8400ab0279376f7e9fa5de5060f32a4854b159ef5b0839af486ee34334d6ced52885b6a9f486dbd892b2805608ae87aa4183898f6ff98b

  • memory/1136-15-0x0000000003880000-0x0000000003D67000-memory.dmp

    Filesize

    4.9MB

  • memory/1136-14-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/1136-0-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/1136-1-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/1136-2-0x00000000002A0000-0x00000000003D1000-memory.dmp

    Filesize

    1.2MB

  • memory/1136-126-0x0000000003880000-0x0000000003D67000-memory.dmp

    Filesize

    4.9MB

  • memory/2280-17-0x0000000001B10000-0x0000000001C41000-memory.dmp

    Filesize

    1.2MB

  • memory/2280-18-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/2280-23-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2280-24-0x00000000033F0000-0x0000000003612000-memory.dmp

    Filesize

    2.1MB

  • memory/2280-16-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/2280-127-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB