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Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 19:40

General

  • Target

    f8a1c3d0075443a18a95cd63c44ea921_JaffaCakes118.exe

  • Size

    5.8MB

  • MD5

    f8a1c3d0075443a18a95cd63c44ea921

  • SHA1

    074f4bf8cc1630b32964f03b548b54a484668e15

  • SHA256

    ae37e3eb795a7b6ca8aa3b7a4e6e4cf8688421b7a778aef800f292841b8f0487

  • SHA512

    ccb4c8915932207e70ec59c025069d5fe8d8e95af76d7f277c007cf15325d537f4b9a7c5df13fb1983b1abd5febf648723a45403a514a10d4017fd4d251b30bb

  • SSDEEP

    98304:3ULWVNkD68gnw4Po44HBUCczzM3DSEuiejkfFyu18fv4HBUCczzM3:A+Ignw4PonWCHuzYAu64WC

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\f8a1c3d0075443a18a95cd63c44ea921_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8a1c3d0075443a18a95cd63c44ea921_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\f8a1c3d0075443a18a95cd63c44ea921_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f8a1c3d0075443a18a95cd63c44ea921_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2240

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

    b2155f5dcbb95dbf8613dd0728f5039a

    SHA1

    4da0be339cbc2f635737a3e1a9061c187bfb0ec8

    SHA256

    bea1c32cde44076252516f882c3b2e679630801da198d1cc08ac3f5bef520b88

    SHA512

    d5a67c083ee201d22bdc57d0aa8b5c49e003694d69d8881b196953c4821aa2d8a0aa561143b9aa6eb452a997c07b8c9cf3d033c34ed31c002fe70598e4907fec

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

    Filesize

    344B

    MD5

    7b980afaa7c43ebd209c8db680f1a4f0

    SHA1

    4e5f951e65ea31a947e63a616090bb138ba40a56

    SHA256

    64e61911dc4f2db2348c308b39562a9d66d422c38a0538e353fdf292463f9487

    SHA512

    4c61ce9082c89a7db701c50e2864de65e57bed7a2756337306fab7abd175da8b90cf5f1aeb726b5e55cb1308f0b40e77cfc03dcb01cc6a07ab06ae20a3937cea

  • C:\Users\Admin\AppData\Local\Temp\CabAD13.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarAD35.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\TarAEA2.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f8a1c3d0075443a18a95cd63c44ea921_JaffaCakes118.exe

    Filesize

    5.8MB

    MD5

    80554ff57bcf06027a480dbd852bc622

    SHA1

    c235872a8a2d056d9aef3e4ce224045790f8024b

    SHA256

    748f9d8d2c228d9f4449acfa8451d8bf34f9224d648eb7cbd82daea470b19364

    SHA512

    a26588b357623b031676f6547cfb4480f761a868d1e9a4d2bde3ddd84a367e4234b4fb60784417f75af317605dacf2189c19e567e55f4ab8b281211a8eb02cc4

  • memory/2240-17-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2240-18-0x00000000002B0000-0x00000000003E3000-memory.dmp

    Filesize

    1.2MB

  • memory/2240-23-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2240-24-0x00000000032D0000-0x00000000034FA000-memory.dmp

    Filesize

    2.2MB

  • memory/2240-16-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2240-133-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2748-14-0x0000000003EC0000-0x00000000043AF000-memory.dmp

    Filesize

    4.9MB

  • memory/2748-13-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2748-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2748-2-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2748-1-0x0000000000270000-0x00000000003A3000-memory.dmp

    Filesize

    1.2MB