Analysis

  • max time kernel
    141s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 14:01

General

  • Target

    f5efc73e85a199f60b139e3d3bfcd453_JaffaCakes118.exe

  • Size

    133KB

  • MD5

    f5efc73e85a199f60b139e3d3bfcd453

  • SHA1

    c5b0b43e0cadde85cfb10e7f28f71d25eba377a1

  • SHA256

    97195bfadb93d8de683d25b1e141d8f62a31ebfcc377419bc897c8dc17c54081

  • SHA512

    fbcdd0a18f664f566c770c09d52361af6c150c26b85d01553e6eee6cc18ed8a246f8bcc394c67267860844264768170f59785e162432a690dedc90d24dc0a925

  • SSDEEP

    3072:i5ebyDnLfQa7+ZniJwU5AFMuFNzoDlxucQ:icb07GiJwU5ANF5eucQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Modifies system certificate store 2 TTPs 8 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\f5efc73e85a199f60b139e3d3bfcd453_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5efc73e85a199f60b139e3d3bfcd453_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Users\Admin\AppData\Local\Temp\f5efc73e85a199f60b139e3d3bfcd453_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f5efc73e85a199f60b139e3d3bfcd453_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    d409251b5a2da4d7ed0eab146983828a

    SHA1

    a63399c7c8fcd0a5090293b4d864a1b3e6a36582

    SHA256

    de967bf33dac46ceb52be665d169b9bbe3cfd541a1e7ab3f8f0d98c63b28b657

    SHA512

    eb8a2ccba192fe7ee5bb1234d51e2ccf3f3bac4edba7aa8fd586c4116c76533130ebd5c9b66ecc882540240b3dbdd3ec8dfbcc350d7e72e737315d89ee7d88a8

  • C:\Users\Admin\AppData\Local\Temp\Cab196C.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar1AAB.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f5efc73e85a199f60b139e3d3bfcd453_JaffaCakes118.exe

    Filesize

    133KB

    MD5

    25001e96c0b8b065af154e81f25c95ce

    SHA1

    0600c8da172dd2878d55b1f66e0b144ec2acc801

    SHA256

    27831ab1aa63c3f71a0987e49cb419dcbb4c201b311ae229166aae5e2b0d44b7

    SHA512

    6194725b40d6a3f58eba3144f568a8c95e23be030e1239abc84aeca2037247eb60500d7864610cd9fc0df9f91c21cd8cec5f6c900e0b11bb303f752d20d1df27

  • memory/1956-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1956-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1956-10-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/1956-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2132-16-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2132-18-0x00000000001E0000-0x0000000000201000-memory.dmp

    Filesize

    132KB

  • memory/2132-111-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB