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Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/04/2024, 17:12

General

  • Target

    f3f0c71435364c85433745c42603c93a_JaffaCakes118.exe

  • Size

    10.6MB

  • MD5

    f3f0c71435364c85433745c42603c93a

  • SHA1

    9fe983d4f3a67867ca24018d0ba40a719560348a

  • SHA256

    f03330e185d3d134570c141d4739bb83e1ede86ed05fdb0e1bf504e70a63b095

  • SHA512

    59907e6de16f8884c09e764cf9c5adf111ddb3d4bbc16712ed0d5a02ac28764b11e7f3bcc09a1a560254bf60cddff772c6fb778c8f3b3f4a3a5cda5eab238a37

  • SSDEEP

    196608:7Am3kezle5exovRjI/c950CAYovRjI/c9SDsd/zp9fovRjI/c950CAYovRjI/c9D:cNGlWRjIidAjRjIKPgRjIidAjRjIi

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 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\f3f0c71435364c85433745c42603c93a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f3f0c71435364c85433745c42603c93a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\f3f0c71435364c85433745c42603c93a_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f3f0c71435364c85433745c42603c93a_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2976

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

    9108330b33f1943161c089e74c91c016

    SHA1

    af963b8ed3dd2c29e7508b6ef279a90d0642896f

    SHA256

    49e08056ee8b591ebef85e763048fdfbd9fa4626d77cd654f19bc107135de78a

    SHA512

    687d939975ef9cc27b415aed24df205dad87727feae8f9a9d9c069a75f2ea5fb73d800a4508a5dcee23d0191aa7b54a93f2efa019f7890063ffb2acc48099709

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

    Filesize

    344B

    MD5

    76c09cf80f69f4f17eebb0beac333d5b

    SHA1

    48994f24236977f2019b4c75f969b3d0e1bc6352

    SHA256

    ffaa0707fa0651f929688df6e02eb3cdbe361295717d0236fb56292d925e53b0

    SHA512

    3dbed5709ccadd4e79812c53d1411bf1516914dbeb1524e0de2ff105f09d41b9d066ffda097fcafde8ea02a4c57d3a34fa4cdb7cf44bbe24616c4151c05ea6a6

  • C:\Users\Admin\AppData\Local\Temp\Cab63A5.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar63F6.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar65A1.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f3f0c71435364c85433745c42603c93a_JaffaCakes118.exe

    Filesize

    10.6MB

    MD5

    eeb02bbdcb4509d32e6901e87d9ee9ff

    SHA1

    3233532d56edacd8e9c452a26f3945deb8998ba8

    SHA256

    0ea43034db4d726008195f723a8111c678437ed6837a2a0744d4ca1f3e5542e4

    SHA512

    e7726338bf741d21d6ea1080c946e9737b2af94879ffd809c8140c758c16f91ea340b99d5ab3c1d6e32f274d0096a6d8d51c000ec36fe67e1e76cdbb5598eac4

  • memory/2976-17-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/2976-18-0x0000000000130000-0x0000000000261000-memory.dmp

    Filesize

    1.2MB

  • memory/2976-23-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2976-26-0x00000000033D0000-0x00000000035F2000-memory.dmp

    Filesize

    2.1MB

  • memory/2976-16-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/2976-123-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/3012-15-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/3012-14-0x0000000004740000-0x0000000004C27000-memory.dmp

    Filesize

    4.9MB

  • memory/3012-0-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/3012-2-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/3012-122-0x0000000004740000-0x0000000004C27000-memory.dmp

    Filesize

    4.9MB

  • memory/3012-1-0x0000000001B10000-0x0000000001C41000-memory.dmp

    Filesize

    1.2MB