Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 21:38

General

  • Target

    fb3855f580a74e3e5c11c402677b6880_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    fb3855f580a74e3e5c11c402677b6880

  • SHA1

    e5a3245942ec93d4d21d9042baa5ac78b01a545a

  • SHA256

    040788f77bf94db62c02bfd631eebfc27c0eef4349454c599e8b4123868cd70c

  • SHA512

    dfa814651725f90d0cb97fc74fda1d135d3397685f184a4f2cde92fc1f8ac05829301d8f39d451b3b4cad2d3c3ebbfa53ed040d7b24a5519af3c9f2051f2e09e

  • SSDEEP

    24576:B9ZW23w3yMk+1KGbErh7XLF2cwjc0BdwrH8huFWt5BrZJm7Uo2e/yePWc:Z9A/1KGbEr1FT6irc8ABrZZETp

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 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\fb3855f580a74e3e5c11c402677b6880_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb3855f580a74e3e5c11c402677b6880_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\fb3855f580a74e3e5c11c402677b6880_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fb3855f580a74e3e5c11c402677b6880_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2496

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

    fbf52972cb0dbbe045d7f3d723d8cae7

    SHA1

    a67717218dcaf7b9a67b67e15abe682b7ba99c99

    SHA256

    6e5aeb1ea7e333b8db1f074c65ac98d385a1bddef42fd52166bff1e5fc1566e2

    SHA512

    26e1bb6127444793b0b73586791c30cddb918c2e2766509c25f1c65ea6c1d4dee9b173771203c37948cfd8c721b8c93191a1ca2ad62df38e28264e4ebde80e10

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

    Filesize

    344B

    MD5

    bd5e3546a05d3be88209672899a98fb0

    SHA1

    0d5b02a724f98f0fc6c7b7402287ed8a2fb55a95

    SHA256

    750eba0b3f558ea41dbf95d119a0647c2a45192f55256945852d70445d0425de

    SHA512

    dcc5263ce821b6f8c24fcb1a2ddddb5b88828e785aade5da9c44126f91e27d28e7c02f64119b7e167d6036e642634f641c407f552337095246b7a31981084233

  • C:\Users\Admin\AppData\Local\Temp\Cab1E5C.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar1E6E.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar1FAC.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\fb3855f580a74e3e5c11c402677b6880_JaffaCakes118.exe

    Filesize

    1.3MB

    MD5

    e414757e007031a41c69c965600ceadd

    SHA1

    011ec1be64f1606d9a5eb8ba943bb15ab416bcea

    SHA256

    be5b8591ab923367df303981ac3ed54abe122a20777099882216d889ac247c8b

    SHA512

    4c8397793cd8bb9c1e6d1ff3d7ae952c1126d92f8bee47acd14969c8e0f70234604856096abdbddbd1a9a7d6374d6463b8345fc3e87d981bad023feba5716f91

  • memory/1660-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/1660-1-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/1660-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/1660-14-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2496-15-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2496-23-0x0000000003410000-0x000000000363A000-memory.dmp

    Filesize

    2.2MB

  • memory/2496-22-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2496-18-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2496-16-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2496-121-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB