Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-04-2024 10:25

General

  • Target

    fc8b8ca1ff1315af8d10e0fbfff56d94_JaffaCakes118.exe

  • Size

    5.8MB

  • MD5

    fc8b8ca1ff1315af8d10e0fbfff56d94

  • SHA1

    9137f1e69ca68d10f99cdd6234970f0f494183be

  • SHA256

    261abb9f06f0469ed342ff39bb3d58d5778d320ed25f644cd6b6bd70fae3aa23

  • SHA512

    6cbc8845b7ad696cc043095b0a2d78442560ba96935c6b7e16b26af16af6fc6e9de024bd44beab9dfba68153773fa71fa2d40c707215798131b22652036af2d4

  • SSDEEP

    98304:WZF2u8nvHau42c1joCjMPkNwk6alDAqD7z3uboHau42c1joCjMPkNwk6:CFwauq1jI86FA7y2auq1jI86

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\fc8b8ca1ff1315af8d10e0fbfff56d94_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc8b8ca1ff1315af8d10e0fbfff56d94_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Users\Admin\AppData\Local\Temp\fc8b8ca1ff1315af8d10e0fbfff56d94_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fc8b8ca1ff1315af8d10e0fbfff56d94_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1980

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

    304B

    MD5

    95cf794531c4cee036698d6f7dcd2c4d

    SHA1

    919fd5ca3ac8426967ee23ae4809d41bda4bca8a

    SHA256

    5eee95018494823b801ec4bc6ef7c2308ee557842e921df9a336a7a99f6a4d4a

    SHA512

    97723765b1ea5c5d6dea237f0f6c44189a7bdaeaa46c9845824ae1cf7d2a8da1ddd966e035b971499592466532e4b46bf90615c140385c6dde8da10a377b7a5d

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

    Filesize

    344B

    MD5

    c8e05da76e0f262277289ba932db53ab

    SHA1

    35cae395078f7c76d57d4a9b75236a395d3f8f23

    SHA256

    768a44f79d5ef61896ed6efbc8558a6329dce2a0583679cf3affc77e256c2c7a

    SHA512

    223c6668870c445fd518ee7b100b790438d713c86ce73d11e1dcc578cd0d550ca88d33912d2fcd9592c7835b0f5c7f8a022532216df567cae63cdb9e317f6790

  • C:\Users\Admin\AppData\Local\Temp\Cab35A3.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar35B5.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar3703.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\fc8b8ca1ff1315af8d10e0fbfff56d94_JaffaCakes118.exe

    Filesize

    5.8MB

    MD5

    2b0833ef464c32300e032556b6b3d2fc

    SHA1

    dac3c98792a760197333635b42a8db8b54b56253

    SHA256

    6f87676b35ed2a1b507bddc308ea89909e3a0f6e86aa626285c9ac62803a7af8

    SHA512

    fd9031547c2c72552d726bddf19cb3d0be0cd335a67abbc99a75a057ead8c66e77f2bb199f10301783a51132ee54def1c078975d067652d3e8f31174e5d2a874

  • memory/1980-16-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1980-17-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1980-24-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/1980-23-0x0000000003410000-0x000000000363A000-memory.dmp

    Filesize

    2.2MB

  • memory/1980-18-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/1980-122-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2976-13-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2976-14-0x0000000003E90000-0x000000000437F000-memory.dmp

    Filesize

    4.9MB

  • memory/2976-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2976-1-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2976-2-0x0000000000240000-0x0000000000373000-memory.dmp

    Filesize

    1.2MB