Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2024 06:58

General

  • Target

    dde7cbf86f417af475da245ca768b89b_JaffaCakes118.exe

  • Size

    169KB

  • MD5

    dde7cbf86f417af475da245ca768b89b

  • SHA1

    697f90b33dd16a9d349824724d35f2ff56fe3a54

  • SHA256

    44096f069d68b101bae728c5c3d9b025245962ace023753b1aaa761aff80b880

  • SHA512

    99a80b453a9d52f2c69fb4752a451361e9791e8bc615c6327a1d3ccd53c535ee8c6cf281839ba6cf6b736af4a2b93da6d9a54552387d9e3cdd80e36c51cee28e

  • SSDEEP

    3072:UNnz4Uk1hIMY8JCLiwMiCQcLUZtFscyB+uSJJtqbqSy1mRsn:UNXkJY8JGCbZ9B+uGi4mRA

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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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\dde7cbf86f417af475da245ca768b89b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dde7cbf86f417af475da245ca768b89b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Users\Admin\AppData\Local\Temp\dde7cbf86f417af475da245ca768b89b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\dde7cbf86f417af475da245ca768b89b_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Users\Admin\puofmip.exe
        "C:\Users\Admin\puofmip.exe" /r
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Users\Admin\puofmip.exe
          "C:\Users\Admin\puofmip.exe" /r
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2560
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2528
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\8154.bat" "
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\8154.bat

    Filesize

    117B

    MD5

    d8a1ccde1e5a8a2f0bc8c55f0f92a32f

    SHA1

    7f642679644190656a140576cfd4d01f3ad22c76

    SHA256

    3a94ea1090534686c399a5f7676bc0d8cd5856c9a98625cfb2932c8e88d44d9c

    SHA512

    78044bc9e5ad5c8b1f8eec58c797c2d5dbb7ea22b7e8182fd8fd913180b66bc4006443307dfc7e7933fb8f33c73a51e186e77e92eaad10ee89db00205c6dc697

  • \Users\Admin\puofmip.exe

    Filesize

    169KB

    MD5

    dde7cbf86f417af475da245ca768b89b

    SHA1

    697f90b33dd16a9d349824724d35f2ff56fe3a54

    SHA256

    44096f069d68b101bae728c5c3d9b025245962ace023753b1aaa761aff80b880

    SHA512

    99a80b453a9d52f2c69fb4752a451361e9791e8bc615c6327a1d3ccd53c535ee8c6cf281839ba6cf6b736af4a2b93da6d9a54552387d9e3cdd80e36c51cee28e

  • memory/2132-12-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2132-0-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2528-48-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2528-68-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2528-70-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2528-46-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2528-54-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2528-59-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/2540-41-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2540-26-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/2540-29-0x0000000000470000-0x00000000004DA000-memory.dmp

    Filesize

    424KB

  • memory/2560-51-0x0000000000401000-0x000000000040C000-memory.dmp

    Filesize

    44KB

  • memory/2732-5-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2732-25-0x0000000001D00000-0x0000000001D6A000-memory.dmp

    Filesize

    424KB

  • memory/2732-24-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2732-1-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2732-14-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2732-3-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2732-7-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2732-9-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2732-11-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB