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Analysis

  • max time kernel
    139s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 17:39

General

  • Target

    fd459de61559210839de9e3ee2e4976b_JaffaCakes118.exe

  • Size

    2.6MB

  • MD5

    fd459de61559210839de9e3ee2e4976b

  • SHA1

    262f01af2136faa849998030d53679a3f8f49457

  • SHA256

    ce0fe6ef20ee1b45b2db2a25d01f89e980cdceda19a0a2c26cb47c67cfd5b35d

  • SHA512

    96ce228e05b0e57b3c9a79544c211d30675538f11de77a3b230fb45046e58e7b32b3dd143b78ac730b1a383d002070a12add7c675ff4db31e8414eca454b7713

  • SSDEEP

    49152:Nz4B4zg53AKdSv4lrI1w9JbCFx6ZWLmWMcIVY535mTGWay3:OPxVHYCW5r35yG+3

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 8 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\fd459de61559210839de9e3ee2e4976b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd459de61559210839de9e3ee2e4976b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Local\Temp\fd459de61559210839de9e3ee2e4976b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fd459de61559210839de9e3ee2e4976b_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2744

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

    ec2ca13eb10f9b159723d18b377f949d

    SHA1

    1388996b891957c070ce797bdfcbe46973876644

    SHA256

    c0abe8e483fd071e15747b4579672d89802b799ac1ccc989f1b82e2ae555f259

    SHA512

    627a0f64f39a41b8101e736e4dc13e9188de52eedf396b1e63aebedd40dacb9465578c3ea1de746aa2e6e77a1b6f35c76b634cba2451a87f8c51f0a81bd1cb44

  • C:\Users\Admin\AppData\Local\Temp\Cab47BC.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar4A71.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\fd459de61559210839de9e3ee2e4976b_JaffaCakes118.exe

    Filesize

    2.6MB

    MD5

    c14264e344e6b1b66a0c73afa830535c

    SHA1

    6d57a60998a7b5b336f06be751db86a84380c582

    SHA256

    a0f8a5f3f23bd53f179032f5ef128938d4b362c177752cf8a7288e729614388d

    SHA512

    1cb2055d69fc36633d44fa44887530d12e4e2273800511949863775ac42b61d4dd53e4837bc92357f867346cf3a3604133ca50366535e50fb441a40c61b88a63

  • memory/1796-16-0x00000000038A0000-0x000000000423E000-memory.dmp

    Filesize

    9.6MB

  • memory/1796-15-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1796-0-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1796-2-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/1796-1-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1796-111-0x00000000038A0000-0x000000000423E000-memory.dmp

    Filesize

    9.6MB

  • memory/2744-19-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2744-21-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/2744-112-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB