Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 22:36

General

  • Target

    fdcf852b568e313f5f6ec00a8d5983ac_JaffaCakes118.exe

  • Size

    133KB

  • MD5

    fdcf852b568e313f5f6ec00a8d5983ac

  • SHA1

    cb40954854f5ba9d5628d751eecc16607732a6d9

  • SHA256

    d83e0c8cdc91584555ab1cff4498a966cd5e73018f0cc68f034a48b9b2d89d64

  • SHA512

    81a2537ed101447304d19f3a9eb444953165716332cf2f62cbbb8b6a65f409cccd7618c1653f21cb583cc1e2df8c445cb991b4f901c7e3b6ab2383c84b4f9caf

  • SSDEEP

    3072:hf5kXZFlTwFb7dHv03Bt/96HoRxwpdS0DBlonC7wOGBCsENFtcPlMgPQ:9qXZfkFtc3H/0dBDzonAGYNFtcPHPQ

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 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\fdcf852b568e313f5f6ec00a8d5983ac_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fdcf852b568e313f5f6ec00a8d5983ac_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\fdcf852b568e313f5f6ec00a8d5983ac_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fdcf852b568e313f5f6ec00a8d5983ac_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2612

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\Local\Temp\CabCEB6.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarD082.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\fdcf852b568e313f5f6ec00a8d5983ac_JaffaCakes118.exe

    Filesize

    133KB

    MD5

    ff8f47e3d652ea36c440813cdd8d7143

    SHA1

    54b52a1dce8e1f2e8b07f2f88f3d9f49ecfbd169

    SHA256

    365f81ab3225f13b57f56dbef6712f61466190773c909e3c61f6f3d48247dcd2

    SHA512

    3675e12296d22aeb3bf5e821baf84c4736717fa8154897dd089b883b6aa0e8ab40a7ed244f362f33bdc8b13ccec4b1493500faf107f3aab3948dca1b8efca13d

  • memory/1612-15-0x0000000001490000-0x0000000001516000-memory.dmp

    Filesize

    536KB

  • memory/1612-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1612-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1612-1-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/1612-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1612-134-0x0000000001490000-0x0000000001516000-memory.dmp

    Filesize

    536KB

  • memory/2612-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2612-21-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/2612-135-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB