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Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2024, 12:17

General

  • Target

    a27f10faa162f89a8ab2ed657d326c41_JaffaCakes118.dll

  • Size

    292KB

  • MD5

    a27f10faa162f89a8ab2ed657d326c41

  • SHA1

    532d27e324e9cbb3c86016938ebbd83a99bdde90

  • SHA256

    d4cb1934875c5762e846b7c0bf61d8e2435345014c7f6e66b21e91df65d46c9c

  • SHA512

    f62e43f90bfbfb1a25894ee31dd785038d1b61b76b539839e13589c55108dc6ceacb70f312907904b8e8760087b87f6ec668d8e87b3f49a78c89f4b96032c096

  • SSDEEP

    6144:3zxPCmzIXTkZ45DcqJlIvHM787jB82lnWYX/72:1PC5XTkCDmpfFlWo/

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • UAC bypass 3 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a27f10faa162f89a8ab2ed657d326c41_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\a27f10faa162f89a8ab2ed657d326c41_JaffaCakes118.dll
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Users\Admin\AppData\Local\Temp\889vwL3
        "889vwL3"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2544
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2388
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • Modifies WinLogon for persistence
          • UAC bypass
          • Checks BIOS information in registry
          • Drops startup file
          • Impair Defenses: Safe Mode Boot
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2368
        • C:\Users\Admin\AppData\Local\Temp\cnnrelqbuhsycxfx.exe
          "C:\Users\Admin\AppData\Local\Temp\cnnrelqbuhsycxfx.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\889vwL3

    Filesize

    95KB

    MD5

    4e05a5ca4bac745470e7b44d61588ea6

    SHA1

    4ab1df32c49f3d01f76499a6d23b97ac7be9a76f

    SHA256

    061d78173b58243979f0ac85b323efeeaf781d2c7a6addca8668d116a11a4abe

    SHA512

    0d10ab9e4de262bc89730ff6ae57a7dd89cc1b9cbe02641c4dc089262eb7db8a88dec6a078eff3b2728c4397c88fb1beadab7a8aa076b1ea3b6db1b9aeb98a8b

  • memory/1344-96-0x0000000000400000-0x000000000043A028-memory.dmp

    Filesize

    232KB

  • memory/1344-99-0x0000000000400000-0x000000000043A028-memory.dmp

    Filesize

    232KB

  • memory/2132-8-0x00000000001E0000-0x000000000021B000-memory.dmp

    Filesize

    236KB

  • memory/2132-9-0x00000000001E0000-0x000000000021B000-memory.dmp

    Filesize

    236KB

  • memory/2368-106-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-73-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-105-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-103-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-102-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-101-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-100-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-107-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-108-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-109-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-45-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-59-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-76-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-74-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-67-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-37-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-69-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-75-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-56-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-57-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2368-64-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2388-28-0x0000000000070000-0x0000000000071000-memory.dmp

    Filesize

    4KB

  • memory/2388-18-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2388-20-0x0000000000050000-0x0000000000051000-memory.dmp

    Filesize

    4KB

  • memory/2388-30-0x0000000000060000-0x0000000000061000-memory.dmp

    Filesize

    4KB

  • memory/2388-33-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2388-32-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2388-31-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2388-29-0x0000000000050000-0x0000000000051000-memory.dmp

    Filesize

    4KB

  • memory/2388-24-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2544-49-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2544-44-0x00000000772DF000-0x00000000772E0000-memory.dmp

    Filesize

    4KB

  • memory/2544-95-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2544-80-0x00000000772DF000-0x00000000772E0000-memory.dmp

    Filesize

    4KB

  • memory/2544-81-0x0000000002D80000-0x0000000002DBB000-memory.dmp

    Filesize

    236KB

  • memory/2544-50-0x0000000000400000-0x000000000043A028-memory.dmp

    Filesize

    232KB

  • memory/2544-66-0x0000000000400000-0x000000000043A028-memory.dmp

    Filesize

    232KB

  • memory/2544-79-0x00000000772E0000-0x00000000772E1000-memory.dmp

    Filesize

    4KB

  • memory/2544-43-0x00000000772E0000-0x00000000772E1000-memory.dmp

    Filesize

    4KB

  • memory/2544-15-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2544-14-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2544-16-0x0000000000400000-0x000000000043A028-memory.dmp

    Filesize

    232KB

  • memory/2544-11-0x0000000000400000-0x000000000043A028-memory.dmp

    Filesize

    232KB

  • memory/2544-10-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB