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Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 08:44

General

  • Target

    fa16660c86bd84260e62ab5e97ff8dba_JaffaCakes118.dll

  • Size

    21KB

  • MD5

    fa16660c86bd84260e62ab5e97ff8dba

  • SHA1

    0ecdaa1d83d4510b1a2dd70e2052dd8f5df8ce32

  • SHA256

    8b046e8b73cd9b4978c7c2337b8686d33993c839df10e685fd312e1091c76de1

  • SHA512

    908ad79ea4f77f8989a162e9462c477a68495c7084ced849df11ffee68a13fe55a8a5748d5df369e6083a421e5f70aa57469b0c7f8bd154bba314a9389133b64

  • SSDEEP

    384:yLWCpCJ6xhNN8S0gPW2KUCphaMTaR3ItDCuV9UAvdOh+/3o:ozZtN8SVKUCpJTaItO4U6di+/

Malware Config

Signatures

  • Stops running service(s) 4 TTPs
  • UPX packed file 2 IoCs

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

  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa16660c86bd84260e62ab5e97ff8dba_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa16660c86bd84260e62ab5e97ff8dba_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe import "C:\Users\Admin\vmgi.avi"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2208
      • C:\Windows\SysWOW64\sc.exe
        C:\Windows\System32\sc.exe config PolicyAgent start=auto
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:516
      • C:\Windows\SysWOW64\sc.exe
        C:\Windows\System32\sc.exe stop PolicyAgent
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:3100
      • C:\Windows\SysWOW64\sc.exe
        C:\Windows\System32\sc.exe start PolicyAgent
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:2108
      • C:\Windows\SysWOW64\sc.exe
        C:\Windows\System32\sc.exe stop PolicyAgent
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:3268
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\vmgi.avi

    Filesize

    56KB

    MD5

    bc8025bc98da7f4ed891c9f9991d3ff1

    SHA1

    70a69a7fcebe9b43f00a1fa713e3a0621bf3ac6d

    SHA256

    59b9dc39d69f8b0aa350f550e42e632b396237865776d0ce75477f8fe3f9016f

    SHA512

    7f772261e003d2df9162ae4aeaab2bda674ee2721b3300cc8b2a2f4904af6bc9c565c7f2c3e67a7394eb1a387860a2544fc5bdc3e6de384b664f8d232ad6acf5

  • memory/1924-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1924-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB