Analysis

  • max time kernel
    121s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 22:39

General

  • Target

    f8e7d005861d822877bf68d7909b9a6b_JaffaCakes118.exe

  • Size

    2.9MB

  • MD5

    f8e7d005861d822877bf68d7909b9a6b

  • SHA1

    5b95f6b3f93ddd607309b80e2e204942761806cc

  • SHA256

    5bd8ae2b1d9526d98f705ef6d3048675664237859442f6806397d3cb5e063a32

  • SHA512

    1538579c231a5ee65a88a67310605fc9b5d989842d8f28ac838c0579087a0b4cc59b71ea4bf20d22224787670a4461c23250427b0f31458c7b798ee8e9db2d91

  • SSDEEP

    49152:vWtWM6DakQz4r09SW1afsbXP4M338dB2IBlGuuDVUsdxxjeQZwxPYRKs:uH6DahErG18sLgg3gnl/IVUs1jePs

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\f8e7d005861d822877bf68d7909b9a6b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8e7d005861d822877bf68d7909b9a6b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Users\Admin\AppData\Local\Temp\f8e7d005861d822877bf68d7909b9a6b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f8e7d005861d822877bf68d7909b9a6b_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1672

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

          9dda39a9f018fc00f504c4bbd9cdec09

          SHA1

          fbd2a6c097f02983b6ab4c0c40cde5989dd56c1b

          SHA256

          fe69c22b1f46e42f12a6018b47eaa37d1af487bdfc34b42d778ef947b08d8304

          SHA512

          2414b29cc4c1ddb71e72d24e8c7394feac30375a0ae88750a81660a1a9e688dd7978bc6e6c2f1aed9ed6b7ea016e4fae1d3bbd07922c2b5ce5d2d9e28aced577

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

          Filesize

          344B

          MD5

          af2550ae4f3cf26bcc5a379b0564da0c

          SHA1

          d3493572c2a7026525c8665cc64b03b5366d070d

          SHA256

          65ac8dbfd65a66776d2b0a6eca9711ee2f84ed9cc80f2617954b569ad0b1f29d

          SHA512

          933dc717da3dce26924753114b7211b385ddd47a2e28c3812c244704180348379657e96ed58c9e5965931f77fcc68f8036446addbd8c3a3dbb55770ebf591502

        • C:\Users\Admin\AppData\Local\Temp\Cab92B0.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar92E2.tmp

          Filesize

          171KB

          MD5

          9c0c641c06238516f27941aa1166d427

          SHA1

          64cd549fb8cf014fcd9312aa7a5b023847b6c977

          SHA256

          4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

          SHA512

          936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

        • C:\Users\Admin\AppData\Local\Temp\Tar9401.tmp

          Filesize

          177KB

          MD5

          435a9ac180383f9fa094131b173a2f7b

          SHA1

          76944ea657a9db94f9a4bef38f88c46ed4166983

          SHA256

          67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

          SHA512

          1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

        • \Users\Admin\AppData\Local\Temp\f8e7d005861d822877bf68d7909b9a6b_JaffaCakes118.exe

          Filesize

          2.9MB

          MD5

          a5dee1a8e07d09b44466f8d2aa2a161e

          SHA1

          30ece22aed02c42a66bb4e6a3bfe378ce6a8bb28

          SHA256

          333b9b8f3c4bfcc00032dd4ab6fa28367be29c691781add95c9f8a6073d64f6a

          SHA512

          ef4d8112c2ecdc58bb236b68bc151df659f2cee22cc25b5fc1153a41080af5af2568e34816868d83b0e0d20aa5d7568387f8244a689de85153ca624bfa546af5

        • memory/1672-14-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/1672-23-0x00000000035A0000-0x00000000037CA000-memory.dmp

          Filesize

          2.2MB

        • memory/1672-21-0x0000000000400000-0x000000000061D000-memory.dmp

          Filesize

          2.1MB

        • memory/1672-16-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/1672-15-0x0000000001B20000-0x0000000001C53000-memory.dmp

          Filesize

          1.2MB

        • memory/1672-121-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/2632-0-0x0000000000400000-0x000000000062A000-memory.dmp

          Filesize

          2.2MB

        • memory/2632-4-0x00000000018F0000-0x0000000001A23000-memory.dmp

          Filesize

          1.2MB

        • memory/2632-1-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB

        • memory/2632-120-0x0000000000400000-0x00000000008EF000-memory.dmp

          Filesize

          4.9MB