Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 23:28

General

  • Target

    8c69ca0059aa00f21622965ab9cc834b_JaffaCakes118.dll

  • Size

    39KB

  • MD5

    8c69ca0059aa00f21622965ab9cc834b

  • SHA1

    f8befd1ffac0eee1637cf269d16b6ed88b3dcd1c

  • SHA256

    5022ab36d11f842c03b571086346ba103ddfc8bf166e16bf79d63d09290e782a

  • SHA512

    aeb36390ea0771663367166afef91f3e086d9dfb4e3a0685457f2e61bfb52f50fd7236515227543bff178f25a20a441b078b83f5740865c8499ec5104eb8dda9

  • SSDEEP

    768:osfyPbN5SIzeedS3CS6FT50uHfqV3KtiAGJGTV7LjgointDz2l13E+5ZJnbcuyDV:osONIfedsCSo0KtLGMTZglRKq+5ZJnoL

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Access Token Manipulation: Create Process with Token 1 TTPs 1 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c69ca0059aa00f21622965ab9cc834b_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c69ca0059aa00f21622965ab9cc834b_JaffaCakes118.dll,#1
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:392
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 "C:\Windows\msisue.dll",_RunAs@16
        3⤵
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Access Token Manipulation: Create Process with Token
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3336

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\msisue.dll

          Filesize

          39KB

          MD5

          8c69ca0059aa00f21622965ab9cc834b

          SHA1

          f8befd1ffac0eee1637cf269d16b6ed88b3dcd1c

          SHA256

          5022ab36d11f842c03b571086346ba103ddfc8bf166e16bf79d63d09290e782a

          SHA512

          aeb36390ea0771663367166afef91f3e086d9dfb4e3a0685457f2e61bfb52f50fd7236515227543bff178f25a20a441b078b83f5740865c8499ec5104eb8dda9

        • memory/392-0-0x0000000010000000-0x0000000010023000-memory.dmp

          Filesize

          140KB

        • memory/392-7-0x0000000010000000-0x0000000010023000-memory.dmp

          Filesize

          140KB

        • memory/3336-6-0x0000000010000000-0x0000000010023000-memory.dmp

          Filesize

          140KB

        • memory/3336-8-0x0000000010000000-0x0000000010023000-memory.dmp

          Filesize

          140KB