Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 15:28

General

  • Target

    f61761bc0750dd6784fbdb107a48158b_JaffaCakes118.exe

  • Size

    2.6MB

  • MD5

    f61761bc0750dd6784fbdb107a48158b

  • SHA1

    22d8ba4cabf88a06a0d477f81d5b8253b565c5ad

  • SHA256

    892a534b3da9f3d65d06d378ed5368a80a95df49aa21e0bbbe05c0f6a92cfa52

  • SHA512

    a57d7fc4ff96fec26dfeff7b751f829c320c2099289550759ed60c883f4db335edb67f9fb1c8d4fae6b0c2cbcf6e7230a8f9b9ff928ec7ba99af2e810dfb6fd8

  • SSDEEP

    49152:WjgcOmwf2mGx2sSLT23PM2BgSSfb8cyS9GebmmweVyay3:g4swuE9L79pbE3

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\f61761bc0750dd6784fbdb107a48158b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f61761bc0750dd6784fbdb107a48158b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Users\Admin\AppData\Local\Temp\f61761bc0750dd6784fbdb107a48158b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f61761bc0750dd6784fbdb107a48158b_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1404

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

    c381fc55afeddd371ea36e75e5cd2b79

    SHA1

    20ed782e4f4da7544a58014895aca8901ca9267d

    SHA256

    7cf9a774523ac820216033d991f753e78c579b173bcbc685755d70f0ebe30d05

    SHA512

    34a543656ff1dcfa9caf0da8bbf5684315226bc694cccb8d32615ac0b1651076ed99cf5fef54e1988f7a644544552126df41331405b17b51ba148de8a281e19c

  • C:\Users\Admin\AppData\Local\Temp\Cab92A1.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar93E0.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\f61761bc0750dd6784fbdb107a48158b_JaffaCakes118.exe

    Filesize

    2.6MB

    MD5

    613556c9ec458b815aeb7021d0b15c37

    SHA1

    0a73a7ed91cdd119ce0d5e4610d6ff7fca132916

    SHA256

    5aae06f3fb2d28b0fc7f0d7a8b9b813761f43ffc10c6f8d66961f9715337dd57

    SHA512

    16cc5639309cd7746fb16913d828d9308c0bcca4d60b733ec8167c0b9592f53cbd33bc3ba251f96a8e9af521b4e70baf45c697d5e9f4d96b206f751ce27202f0

  • memory/1404-17-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/1404-19-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1404-113-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2292-16-0x0000000003B70000-0x000000000450E000-memory.dmp

    Filesize

    9.6MB

  • memory/2292-15-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-0-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2292-5-0x0000000002270000-0x00000000024CA000-memory.dmp

    Filesize

    2.4MB

  • memory/2292-2-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2292-112-0x0000000003B70000-0x000000000450E000-memory.dmp

    Filesize

    9.6MB