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Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 13:34

General

  • Target

    f5e4fc2f1c4d5f5608cebb4bafb9925e_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    f5e4fc2f1c4d5f5608cebb4bafb9925e

  • SHA1

    709240938597d7b4557c94da9b8dde4fe5451129

  • SHA256

    0144032d01b4c6709a0297558e5dd997eaaec3ab1ffb9773f80fa03fa16471e9

  • SHA512

    9f4dfb596060b8a05a969db29ce5efd805d9016bf0513ea11d0b7ab3211b0dd894e8b467dd72de94265f64169b4173f1c81507a466e3880bb6e79aa678a0afc6

  • SSDEEP

    24576:KU+H7o5QseF3w92qoiCTFmJlIC97aerF2dTUsqqsBZkRGXBdFIRHswvG:9+7KQ5k25ut97aerFi2goHFIR

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\f5e4fc2f1c4d5f5608cebb4bafb9925e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5e4fc2f1c4d5f5608cebb4bafb9925e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Admin\AppData\Local\Temp\f5e4fc2f1c4d5f5608cebb4bafb9925e_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f5e4fc2f1c4d5f5608cebb4bafb9925e_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3052

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

    9cc7d430df21d4a09d97e1bb48cb40b0

    SHA1

    42966ecfa2f16e3d0b645e600d885bbd584ee168

    SHA256

    99de351c6eb186e4eb1727be5755d181698c0fe5912c1ffc4909fd8b85445f28

    SHA512

    c85a49e076e5f473836013001acf8548177b1bd1e9cdab6d258df08265e6eb2bd060f99ea1d4794cdc8894c73479fbddb102bccbd49b58b15e83e1a53289c1f1

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

    Filesize

    344B

    MD5

    4f4c71eb6d1ad2e5a7144105bf4e05d0

    SHA1

    0492bb7c8b01dab66f59c2caeb155c33c3b2c92b

    SHA256

    65c0fe5df8239e023257596a628d03567a2b86bdadd11d551b2eebf95e79cdd8

    SHA512

    97f1830bc814c288ed1f2632eff3576bb64704cf19f894baa64f9680be792ce1490df69fdec93d9aa605a9c14c9666c4d541987bed0996ce28d22c1415a6675c

  • C:\Users\Admin\AppData\Local\Temp\Cab3E79.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar3E8B.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar3FF8.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f5e4fc2f1c4d5f5608cebb4bafb9925e_JaffaCakes118.exe

    Filesize

    1.3MB

    MD5

    7367488757e4cb6d2fe2997ddd32cd15

    SHA1

    1de8d5dc0d0141ee35e06093b1e0d5cd7d86ca1b

    SHA256

    8f8483a4097c28762be4806935cc19ff8fcd6f3edaae279142dc20da4d942d97

    SHA512

    11f2ccd083b06b265750324bf530a525b0c1333d527470f2115c7f783deb8b31e60ba10acb2ae7f1593b01183221a23ea7c86f5b1e0b2dc7ecc74f9958e8907b

  • memory/3052-117-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/3052-18-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/3052-17-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/3052-20-0x0000000000130000-0x0000000000242000-memory.dmp

    Filesize

    1.1MB

  • memory/3056-15-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/3056-14-0x0000000003510000-0x000000000397A000-memory.dmp

    Filesize

    4.4MB

  • memory/3056-1-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/3056-0-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/3056-2-0x0000000000130000-0x0000000000242000-memory.dmp

    Filesize

    1.1MB