Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 02:07

General

  • Target

    JaffaCakes118_76fd745244f1420a3b1338a3709fd455.dll

  • Size

    116KB

  • MD5

    76fd745244f1420a3b1338a3709fd455

  • SHA1

    3a6af036016fc499583d90e4611f622c8962d5fe

  • SHA256

    c8bc6651de1459d928ca200e5e0f25b6218ad08cafb06e5b116504d53202d7b9

  • SHA512

    d69cea2916532d19b34686958bc05136c1b3281f9039f3a10b4cad51ac453b14f38fd7c6dfa673f6711ed284df55f1a4831b47b073d9573972a6faffbc53f3ab

  • SSDEEP

    3072:BswCMwrAhFKa+jtcMKPaMiAyAKbDamrDf6:OMhF/+BMqAWa4Df

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Ramnit

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

  • Ramnit family
  • 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 5 IoCs

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

  • Modifies registry class 10 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\JaffaCakes118_76fd745244f1420a3b1338a3709fd455.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76fd745244f1420a3b1338a3709fd455.dll
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Users\Admin\AppData\Local\Temp\dzjR6md
        "dzjR6md"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2992
        • 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:2684
        • C:\Users\Admin\AppData\Local\Temp\rpwtenrnuntakuwm.exe
          "C:\Users\Admin\AppData\Local\Temp\rpwtenrnuntakuwm.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\dzjR6md

    Filesize

    96KB

    MD5

    254e4fa9c285f829b8134f470bbd08b9

    SHA1

    c6198611124c86c8d13204bd84c20fa41f8a9f20

    SHA256

    c271fd76007d951f28e3fa435d543530c4a6adaf1ad928841ffc99767da5ce57

    SHA512

    f5d1aa083731b410cc2dd9eacab10c065ee4ea7ecb56ce74dafc68439451254649b6d0db60626f7f6a9eae8ca65b94fd73d86eb75793fb647e6f7e0804b128e9

  • memory/2612-0-0x0000000010000000-0x0000000010022000-memory.dmp

    Filesize

    136KB

  • memory/2612-115-0x00000000001F0000-0x000000000022B000-memory.dmp

    Filesize

    236KB

  • memory/2612-8-0x00000000001F0000-0x000000000022B000-memory.dmp

    Filesize

    236KB

  • memory/2684-105-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-40-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-111-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-110-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-109-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-108-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-107-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-106-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-70-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-104-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-61-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-63-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-113-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-71-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-72-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-76-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-112-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-68-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-47-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-56-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2684-57-0x0000000020010000-0x000000002002C000-memory.dmp

    Filesize

    112KB

  • memory/2760-100-0x0000000000400000-0x000000000043A21C-memory.dmp

    Filesize

    232KB

  • memory/2760-103-0x0000000000400000-0x000000000043A21C-memory.dmp

    Filesize

    232KB

  • memory/2832-94-0x0000000002E00000-0x0000000002E3B000-memory.dmp

    Filesize

    236KB

  • memory/2832-80-0x00000000779C0000-0x00000000779C1000-memory.dmp

    Filesize

    4KB

  • memory/2832-66-0x0000000000400000-0x000000000043A21C-memory.dmp

    Filesize

    232KB

  • memory/2832-50-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2832-10-0x0000000000400000-0x000000000043A21C-memory.dmp

    Filesize

    232KB

  • memory/2832-37-0x00000000779C0000-0x00000000779C1000-memory.dmp

    Filesize

    4KB

  • memory/2832-38-0x00000000779BF000-0x00000000779C0000-memory.dmp

    Filesize

    4KB

  • memory/2832-81-0x00000000779BF000-0x00000000779C0000-memory.dmp

    Filesize

    4KB

  • memory/2832-82-0x0000000002D80000-0x0000000002DBB000-memory.dmp

    Filesize

    236KB

  • memory/2832-16-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2832-95-0x0000000002E00000-0x0000000002E3B000-memory.dmp

    Filesize

    236KB

  • memory/2832-12-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2832-98-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2832-67-0x0000000000400000-0x000000000043A21C-memory.dmp

    Filesize

    232KB

  • memory/2832-13-0x0000000000400000-0x000000000043A21C-memory.dmp

    Filesize

    232KB

  • memory/2832-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2832-17-0x0000000000400000-0x000000000043A21C-memory.dmp

    Filesize

    232KB

  • memory/2992-34-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2992-19-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2992-21-0x0000000000050000-0x0000000000051000-memory.dmp

    Filesize

    4KB

  • memory/2992-30-0x0000000000050000-0x0000000000051000-memory.dmp

    Filesize

    4KB

  • memory/2992-29-0x0000000000070000-0x0000000000071000-memory.dmp

    Filesize

    4KB

  • memory/2992-25-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2992-31-0x0000000000060000-0x0000000000061000-memory.dmp

    Filesize

    4KB

  • memory/2992-33-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB

  • memory/2992-32-0x0000000020010000-0x000000002001C000-memory.dmp

    Filesize

    48KB