Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 17:25

General

  • Target

    fd3f8ce2057eb3759b4dfb3623e85d8f_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    fd3f8ce2057eb3759b4dfb3623e85d8f

  • SHA1

    b1f5f6ada9661a08348f583cc7430c2897e7c6d7

  • SHA256

    82a721c1ccc47610fac87a281400de1de1d417849849b303745711796db3a229

  • SHA512

    1a64ba95bc0100c34010311d91f9b93245dc6195b16c5f1dc742285963bc9533c49c418e3a4e446d1506fb78df2b7e05ba2bdb58d264c51897304fe4336cea14

  • SSDEEP

    24576:t0yBmRRHAMd9cPPZj3Dj+HJp3s29NN/ZXGIokFWe4aIX2PvG:t6HAMgDjMmy/Z8kUe5a2

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\fd3f8ce2057eb3759b4dfb3623e85d8f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd3f8ce2057eb3759b4dfb3623e85d8f_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Users\Admin\AppData\Local\Temp\fd3f8ce2057eb3759b4dfb3623e85d8f_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fd3f8ce2057eb3759b4dfb3623e85d8f_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2760

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

    5d15daac1059c229a6d79e6fead24eec

    SHA1

    aa37ada1091be98e98a46dc509f537fffa98bdfb

    SHA256

    1bab7ab306ad701652bd7926c0e5d6c82353b7a9a630cf97a82126d72676d18d

    SHA512

    32459021c366590bb9cad2d1114019fbb74fa5bbc18355f5df7708c14fd6bc0945e241bd16416bb76eea4872341c7bdf540ab20ca7527ba21378cdc838b61d3a

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

    Filesize

    344B

    MD5

    b7d45b72523948279698b383209dac27

    SHA1

    c1e4881c6b7410b7f233c5a9f89e6f72aaeead8b

    SHA256

    8b1a0dfd7c9022a72177df74489716dea10077ee98e20ff57b83a28d0586b627

    SHA512

    b881db3c1b319b03088ec2c33e1e9446e831fd9911e3f207a85c4c132df99fe9bcd52cf7e110f94ba6553447dcf18b3cce193cd4ee988060b23fb307ec5672fd

  • C:\Users\Admin\AppData\Local\Temp\Cab316E.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar3181.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar33F7.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\fd3f8ce2057eb3759b4dfb3623e85d8f_JaffaCakes118.exe

    Filesize

    1.3MB

    MD5

    0db7665b0b4df1c859278874f5853feb

    SHA1

    b9bcdd471bcbc0b128896d54f56bc891a82f11e2

    SHA256

    a1f2fd4e90d3d4537b6e13a9bed22850834d81d3d83778beecfe42d401f00a23

    SHA512

    2e4bb85f62878b00d3732ac74367dc358968253c8493e9351a43c49fb817c067f97b978b097d075a1f71a5a824a3319650797e9b2ff5ac5d99b250bc0d14d37d

  • memory/2760-18-0x0000000001A60000-0x0000000001B72000-memory.dmp

    Filesize

    1.1MB

  • memory/2760-16-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2760-17-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2760-116-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2900-14-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2900-1-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2900-0-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2900-3-0x0000000000260000-0x0000000000372000-memory.dmp

    Filesize

    1.1MB