Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-01-2025 15:20

General

  • Target

    JaffaCakes118_6413f35ad53a18a8946b8637e00dc10e.exe

  • Size

    198KB

  • MD5

    6413f35ad53a18a8946b8637e00dc10e

  • SHA1

    b7d6ba8a2b34365f8e4256d3fb1d95ff7f1c8071

  • SHA256

    20fed4724d464893fcfcff65aa0543ad144d525251600ad21003cbdad809a777

  • SHA512

    d99ae0228fcb4412bd2968e661453de1aa460a4787c2941661aeb7fcf90321a18b8b6fd99af6f494aac8b995f695b3dd40bc7d4035634fae89bcdd55b846d6b7

  • SSDEEP

    3072:haNmy7njLiaxec2ndrUut49Yojngu8KoQM0CIi:UXnd92dbbdf0

Malware Config

Extracted

Family

tofsee

C2

64.20.54.234

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Tofsee family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6413f35ad53a18a8946b8637e00dc10e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6413f35ad53a18a8946b8637e00dc10e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6413f35ad53a18a8946b8637e00dc10e.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6413f35ad53a18a8946b8637e00dc10e.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Users\Admin\hgf.exe
        "C:\Users\Admin\hgf.exe" /r
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2880
        • C:\Users\Admin\hgf.exe
          "C:\Users\Admin\hgf.exe" /r
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2700
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2988
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\0670.bat" "
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\0670.bat

    Filesize

    117B

    MD5

    6d542be04116ccf5f10fc2ad6cf0df2a

    SHA1

    c496bd29980f0d07cc3df53fe738af5e941bb698

    SHA256

    353c0dfa7bacf87a3b7dc90f80a2c3142207e31b82debd57ec37e436b8c1ff9e

    SHA512

    b7dcca2aff4a5ee86b8b0a7e49b2acb73cb047a0908e995712f6f0216d6d2b163123a2470fe56ea675f04d56486d5494aedffbd363c67cc1d80d8d74f3533d56

  • C:\Users\Admin\hgf.exe

    Filesize

    198KB

    MD5

    6413f35ad53a18a8946b8637e00dc10e

    SHA1

    b7d6ba8a2b34365f8e4256d3fb1d95ff7f1c8071

    SHA256

    20fed4724d464893fcfcff65aa0543ad144d525251600ad21003cbdad809a777

    SHA512

    d99ae0228fcb4412bd2968e661453de1aa460a4787c2941661aeb7fcf90321a18b8b6fd99af6f494aac8b995f695b3dd40bc7d4035634fae89bcdd55b846d6b7

  • memory/1932-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1932-0-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2052-24-0x0000000000260000-0x0000000000298000-memory.dmp

    Filesize

    224KB

  • memory/2052-7-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2052-5-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2052-3-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2052-14-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2052-16-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2052-9-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2052-25-0x0000000000260000-0x0000000000298000-memory.dmp

    Filesize

    224KB

  • memory/2052-11-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2052-1-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2700-54-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2700-55-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2880-53-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2880-49-0x0000000000220000-0x0000000000258000-memory.dmp

    Filesize

    224KB

  • memory/2988-65-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2988-63-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2988-59-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2988-57-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2988-69-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2988-70-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2988-71-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB