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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
    19/04/2024, 16:58

General

  • Target

    fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe

  • Size

    501KB

  • MD5

    fac154ebb0f128904d54bce7952cb29b

  • SHA1

    5c5415412db9be96b81184f6b48a5f3a757791ec

  • SHA256

    3ac991afc44cd60442f2bb31caff15921bf1036d9c791fc48e365e54ea80eed2

  • SHA512

    377ee5a2cc4f3b72f409296814e554fafdc3882c3129f96bce87381aaef49761eb22134f0bfbe28014f70c29a7f4600f459285cd256757dd1f3bf9f0eb31d435

  • SSDEEP

    12288:xCK+F7ftgUoNAHw3bBKQd2b5jX+FD6f0TYR:c715oNAHAXYV9R

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe" /TN MJu5Ub8Eff50 /F
        3⤵
        • Creates scheduled task(s)
        PID:2688
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN MJu5Ub8Eff50 > C:\Users\Admin\AppData\Local\Temp\0mrAypX.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2548
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN MJu5Ub8Eff50
          4⤵
            PID:2704

    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

      cc0c5b18b5acfff9d6384531315f2c9d

      SHA1

      8b2bec28ebb4f12563ca7c8377a3566be9ee8f8f

      SHA256

      6bc9e181a5eb4ad6cc473385089db83e60e1f61b686731f4c0647e73ff13de70

      SHA512

      7b9192eacc9e1acc7ab55159a89383ab86e7d98cd4bae1f4ad64db59c88892da9416e0fe992393eeaa4705421a4898bd2c1979da047ca61b1973ac2dd550af6e

    • C:\Users\Admin\AppData\Local\Temp\0mrAypX.xml

      Filesize

      1KB

      MD5

      f59da0f432b5266067252216c47a5118

      SHA1

      2b5525567ff2c41c438170d6f6232c28756029b3

      SHA256

      ac0d10ae02f17cf539ab9a5c8594733c2502c937f1f703129e13d2fa37bfb581

      SHA512

      f24578c504ec7d9ea63c421152aed91e3dd539dbfde4ba1d4c80a8958573bbcd8c0c490db1d15329793e42b3d34402e818db4109475231e723535bcadf59a81a

    • C:\Users\Admin\AppData\Local\Temp\CabA70B.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\TarA859.tmp

      Filesize

      177KB

      MD5

      435a9ac180383f9fa094131b173a2f7b

      SHA1

      76944ea657a9db94f9a4bef38f88c46ed4166983

      SHA256

      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

      SHA512

      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

    • \Users\Admin\AppData\Local\Temp\fac154ebb0f128904d54bce7952cb29b_JaffaCakes118.exe

      Filesize

      501KB

      MD5

      01e47d4cf40fe4ee1d963154cd520524

      SHA1

      91cbd4405be4c112c2771ce8b6258e15ee53c337

      SHA256

      f0f448e9fba005e8141ae2a98556deec336491ba95ca0babb7d06838fc5d5a96

      SHA512

      0135e6e4b337963e239ac8da98db8a74d30c922292324aba7baee1d51cbf73c8aeef5dfd9506090f25a63fe4bbe69c103653fdab2280069190749ceabc69aa9c

    • memory/2244-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2244-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2244-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2244-2-0x0000000000370000-0x00000000003EE000-memory.dmp

      Filesize

      504KB

    • memory/2916-20-0x0000000000250000-0x00000000002CE000-memory.dmp

      Filesize

      504KB

    • memory/2916-25-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2916-30-0x00000000002D0000-0x000000000033B000-memory.dmp

      Filesize

      428KB

    • memory/2916-17-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2916-122-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB