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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2024, 00:36

General

  • Target

    b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe

  • Size

    9KB

  • MD5

    b17cdc500378fb6ca7d5eb2731ac571b

  • SHA1

    bb3fb3dcd764eb3aeeddd7d334abb5e0a808271b

  • SHA256

    b303668f610e9b2cac3e4bb2bd0520f133f47c4b51f482f22fa2b6af289eb33c

  • SHA512

    0e93839a3403f56000c0488828615a3cb2a5cdb12c98b40a0351a1ac448e1a3d70890306dafb7bdbd5bb59e8abdbe4cd2b334a63ac703cf4ca07d948c7baeb7a

  • SSDEEP

    192:TbPAK5sj9g/t5kogGPMc7BwMd3sQGdXWeLOWz7aaL:/P9wg/t5hgGPM22xDzeW

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b17cdc500378fb6ca7d5eb2731ac571b_JaffaCakes118.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\BFE5.tmp.bat
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BFE5.tmp.bat

    Filesize

    207B

    MD5

    3dfccbcb73810d1cc646dcedd86b4c1f

    SHA1

    95cfad36ad2db85d0e0045a0aa3365bd6d68c056

    SHA256

    c088fa8dbe4c9ea19dd14e7cde0ba245756bce64874226a6c36a09d99242c7f4

    SHA512

    d59da12ec17e84e993b38d48b36db2b49c93c59f523d3fe190ff797f4b2dadc1ee1ef1288450ccf3618d6d14d606d0646d07a9c5cc4c9ae1733e743ae39e229e

  • \Windows\SysWOW64\midimaptl.dll

    Filesize

    20KB

    MD5

    8f78c9c816315aa987ef3bd882e696af

    SHA1

    601a2252445a6d9ad09f9ef113c5b5c3ded4685d

    SHA256

    e1703ec9d1c17c2bf159114b70bd05ce692b2c8609c3f2d044dc2d311c479f25

    SHA512

    f0eb04f82452303b24d387ce1fcbcccacaf5a5de19ae8a0e9393f174f4aecb6029b6540df67046eca19ace8e05d11f95cc1889b8ab35a16e82b4868d6ddab0d3