Analysis

  • max time kernel
    141s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 5 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 4 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:2856
    • 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:1456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\yOo4nOHhlmtdaL0.exe

    Filesize

    30KB

    MD5

    3f83c1e6595d86649cc5b4f696c920fe

    SHA1

    56ae96c66982dded3a66b20692d1edc9072a35f1

    SHA256

    0247325df19fb404a28585b2afbd27145d72b826a7e8fab1dcb1f77d90bfa107

    SHA512

    d9fca3aafe6cdd6a387fdce847a76e656a82bd48d88e132273dbf42250f1b9088fe340ad3309e29e5049d179c0161e79b34ba7db7184556f114a461734558d19

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • memory/1456-12-0x0000000000350000-0x0000000000367000-memory.dmp

    Filesize

    92KB

  • memory/2856-1-0x00000000012B0000-0x00000000012C7000-memory.dmp

    Filesize

    92KB

  • memory/2856-8-0x00000000012B0000-0x00000000012C7000-memory.dmp

    Filesize

    92KB

  • memory/2856-9-0x0000000000350000-0x0000000000367000-memory.dmp

    Filesize

    92KB