Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 23:40

General

  • Target

    e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe

  • Size

    30KB

  • MD5

    e621fbd0c6b41ecd47d1df908bf64b6f

  • SHA1

    aaea17bc33e05ba1d00b26b76a3c2a10ac72574b

  • SHA256

    b2f85382735465316389d8684ce99cc8e922e3746ac555b5c97743e7f21446d2

  • SHA512

    5969699bc6fea2f999e406ad129c85185c15769d14d2c4b20732e5a891ec8c8c5c4444c08dca3a8d0d35ffb45e2b4437ce02f71262c8879f50c98162ae62e305

  • SSDEEP

    768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEF3m:SKcR4mjD9r823F2

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3816
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

    Filesize

    351KB

    MD5

    632f7fae0f6c464b97a52ca19d61cfcd

    SHA1

    086745bb53182f399a2949e60ee28314bd9c2b3c

    SHA256

    e784f397ee00c4766e919e0f9d481e3bccb216a32758e16d9564cc2d8d2e59e8

    SHA512

    9178933be47bb63ef36335c31bd97be4f6eb4fe8167a495c469211ca3f5348774e776193116623f5ab67d5f2ae36b37c25eb28fb663aaabac560fabfa887d6c2

  • C:\Users\Admin\AppData\Local\Temp\enAiZ17QQd0AmP4.exe

    Filesize

    30KB

    MD5

    21f177fa6d04e95f00bdcd2587796cfc

    SHA1

    bd92414af8ff38222238cba1a0db03abaa3638ba

    SHA256

    dc58cf041e82aa033ee6c32fea7f11ace73d3a36fa0e80a8e6c4f896e574ac5e

    SHA512

    07e6cf047150236670c44c0e8206349d404b44e3f36175a4c25cffcf78c698df335479b8132b204b0a7375df4a26992d09d025245ccf8ccf0e7ce46c92f8ab51

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • memory/3816-0-0x0000000000550000-0x0000000000567000-memory.dmp

    Filesize

    92KB

  • memory/3816-9-0x0000000000550000-0x0000000000567000-memory.dmp

    Filesize

    92KB

  • memory/4984-7-0x0000000000B70000-0x0000000000B87000-memory.dmp

    Filesize

    92KB

  • memory/4984-31-0x0000000000B70000-0x0000000000B87000-memory.dmp

    Filesize

    92KB