Analysis

  • max time kernel
    146s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2024 21:37

General

  • Target

    bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe

  • Size

    72KB

  • MD5

    bf76dd3911dad9e23a75b4ceb24d563b

  • SHA1

    580bea2b89d6df50012618f013fe23c0a9c83d75

  • SHA256

    0ebaf5c2ec13e55b281a86c31d8162e73ac5fd86e6b69654e6bf76ef9d95484c

  • SHA512

    30c1370e9559521b9d1543450ff8d94236e930fab96a2dc904509000733f4cb13c91c05e77483cf2d6d7a005a6683ee8b1544f4e41b347cfc1d41960aaed56af

  • SSDEEP

    1536:mQDPszyOhJ0pDaId6cjkbnfLAVWN2WOPEdBtGe+O:Tkzx8YcInfMMNgEdz5

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Users\Admin\AppData\Local\Temp\bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\bf76dd3911dad9e23a75b4ceb24d563b_JaffaCakes118.exe"
      2⤵
      • Modifies firewall policy service
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Users\Public\winsvcn.exe
        "C:\Users\Public\winsvcn.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2552
        • C:\Users\Public\winsvcn.exe
          "C:\Users\Public\winsvcn.exe"
          4⤵
          • Executes dropped EXE
          PID:2444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Public\winsvcn.exe

    Filesize

    72KB

    MD5

    bf76dd3911dad9e23a75b4ceb24d563b

    SHA1

    580bea2b89d6df50012618f013fe23c0a9c83d75

    SHA256

    0ebaf5c2ec13e55b281a86c31d8162e73ac5fd86e6b69654e6bf76ef9d95484c

    SHA512

    30c1370e9559521b9d1543450ff8d94236e930fab96a2dc904509000733f4cb13c91c05e77483cf2d6d7a005a6683ee8b1544f4e41b347cfc1d41960aaed56af

  • memory/1900-21-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1900-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1900-31-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1900-28-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1900-25-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1900-23-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1900-36-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/1900-47-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2136-35-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2444-88-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2552-85-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB