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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 08:55

General

  • Target

    f569fedc910eb8266b4ce841687bf8f1_JaffaCakes118.exe

  • Size

    2.7MB

  • MD5

    f569fedc910eb8266b4ce841687bf8f1

  • SHA1

    9c539cdc5e9be0c7917477e67b05508061d39f04

  • SHA256

    a33884ec04eb2bc7a96874fbb4cdb111c889131c128b68760702d4d17a5bde71

  • SHA512

    ef0df73ca7eee58de8d0e44db6ccab3c8825220aaae7388dd3da0be04b111b094c2acbac28c9d964027e05d94d256a3a8b88f7064c17f47c9c68c9b7e4b605d7

  • SSDEEP

    49152:Zf8C/MOeRWC6feKQigj5dsqXE6R9ifYeK8+FOQO/NgbNC+Oz/8JiCGvR9j:LL9IscE6HjpQQRNIz/lCGvHj

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 7 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\f569fedc910eb8266b4ce841687bf8f1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f569fedc910eb8266b4ce841687bf8f1_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\f569fedc910eb8266b4ce841687bf8f1_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f569fedc910eb8266b4ce841687bf8f1_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3060

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\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

    Filesize

    344B

    MD5

    6d4de4b539a6988e15a9c66dd885cf76

    SHA1

    81384f17c0fecac0ada0eab7de0524528a8af2dd

    SHA256

    c9214c8b8f301e72c38740c6c69def4cf3bdeec58d35c5835c76702a78a1123d

    SHA512

    f4f9a45aa440ecc61856f6c29308b8ff8f084c907daa47af804a43f224f7ada597c68261498997e86c873ed3c44d410747e37acba4e4b16ccaae4c7f6ddfd369

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

    Filesize

    344B

    MD5

    97670431147d8ea03c5212d29bc286a7

    SHA1

    14df79805becf7b98b199d191e7f79e9a77fb653

    SHA256

    87786c45ced35bb39f7142811d6aa8322c6b3c19791a1f83596e6b794f87c25a

    SHA512

    3a140327423ccf59cbf56a28fea5d6822df5c9bad82bf9920506f5e17ccc9f177e244af2c373777a0f25f95bd95f73d971b9241d19fedcb7c59e5a93c71c9449

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    438da8d84c2e25970ffb052f4837275f

    SHA1

    0bbb2c3998a1c4be7f163b7c255f9c0a9945be92

    SHA256

    4e548909e6a1b376e41381163d61b3d006bcf9621d1e3764556eb5e3b4a1270b

    SHA512

    3bc8b6bef4af4afcb955674b2f36713ab6e77c5e6e6bf1adb8f9359a671d6fe5e29c8cce6fcc97e78effb7c4d715bd3fb5613b2f4dc1d927cc21589186f6359d

  • C:\Users\Admin\AppData\Local\Temp\Tar1135.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f569fedc910eb8266b4ce841687bf8f1_JaffaCakes118.exe

    Filesize

    2.7MB

    MD5

    0305ad06d4b08dbb682d45c059c880a1

    SHA1

    a788445283d48508132a444fea5a6d11ff0f249d

    SHA256

    acfd25fa6e79baa4fc39a6effab411b4bec2dce2415c83eb64deadcf56d51414

    SHA512

    3b9494fcbaea1eb6a123acf2ab8ad614fb49bc607c6cfb44787d89115f754e33461237666323916e1172c68fb385eeb25254d0e02e4800b42c62d9b672364d11

  • memory/2028-13-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/2028-0-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/2028-2-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/2028-1-0x0000000000250000-0x0000000000381000-memory.dmp

    Filesize

    1.2MB

  • memory/3060-22-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3060-23-0x00000000033F0000-0x0000000003612000-memory.dmp

    Filesize

    2.1MB

  • memory/3060-18-0x0000000001B10000-0x0000000001C41000-memory.dmp

    Filesize

    1.2MB

  • memory/3060-15-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/3060-16-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/3060-168-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB