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Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/04/2024, 18:58

General

  • Target

    f41e23b9345d4a24054495a857f456ef_JaffaCakes118.exe

  • Size

    2.7MB

  • MD5

    f41e23b9345d4a24054495a857f456ef

  • SHA1

    9492bdaa1852546cef01b8df79715696d25c9acc

  • SHA256

    0e308c2c82bf47fef7b15dbba75c962af1a188159f938bdb457b206005a09751

  • SHA512

    a91cc2accf7a0fd49a4b9a94be14f9cc09f95c10b5b3a8b5889b3a60102a165e9d642ff9cd1d9967939d7746969696fcbde78dfa7221104664ff3afc09fae916

  • SSDEEP

    49152:/PopIY2dfRYq2lAAFiUCJs+9KKAXtsI7hidahJQl6R7HQYzKf0jliaFD2hdUTp:HLY2dpgOWMqxhid48YMYzo0jlLSXUTp

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 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\f41e23b9345d4a24054495a857f456ef_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f41e23b9345d4a24054495a857f456ef_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\f41e23b9345d4a24054495a857f456ef_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f41e23b9345d4a24054495a857f456ef_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2264

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

    3bcb64fafbf90a02ffc5d6b2e607f10d

    SHA1

    cb11e7a2d352c6faf65f1f8c249a020a1e3b0516

    SHA256

    fb5f7a0c52f208187e4a1168aca285bb0c60af5e395c64da0069b0102e0090bd

    SHA512

    cb88c7a302393624a895c7b6196229cdb8ad323269485461c01e2a4293096739badc7c78fdaec92b23a9908803d5008c7f2a277103d72ff48ef578e02dd5a0e3

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

    Filesize

    344B

    MD5

    e6265e0516a91954550ad2c989aef5b3

    SHA1

    e96645028e258bb99c34a47234d2d2cc476248af

    SHA256

    c998778e65fa9350fb78bacf40cd4a0515b785d4145f298404ff9b4a70f556f7

    SHA512

    d28ae4c99f365928b312c9f0dd4f893efc1447a6e3d5debd0c834a71e785a1f47ad10b960aaaa3e5aadd3f78f420df4def1da469eb51dca5d873be6d82b87151

  • C:\Users\Admin\AppData\Local\Temp\Cab899C.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar89BE.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar8CFF.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f41e23b9345d4a24054495a857f456ef_JaffaCakes118.exe

    Filesize

    2.7MB

    MD5

    c7a9106449e081f804ed4a70750e31ca

    SHA1

    09bab187b7271c86491d5d2c5213665900ad287b

    SHA256

    a7623b743ca7a46657efc7159a3a2deec2709547967895e967c34532a46b7a56

    SHA512

    0259adf1e7e4479fb48610b539177405123287cb18c9c3ab7f910ac30025247151f5a63ecca681207a032378fcd41bda9790796441ee900acc9eab1867fb1003

  • memory/2104-14-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2104-15-0x0000000003900000-0x0000000003DEF000-memory.dmp

    Filesize

    4.9MB

  • memory/2104-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2104-1-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2104-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2104-122-0x0000000003900000-0x0000000003DEF000-memory.dmp

    Filesize

    4.9MB

  • memory/2264-18-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2264-24-0x0000000003540000-0x000000000376A000-memory.dmp

    Filesize

    2.2MB

  • memory/2264-23-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2264-17-0x00000000002B0000-0x00000000003E3000-memory.dmp

    Filesize

    1.2MB

  • memory/2264-16-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2264-123-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB