Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/01/2025, 19:46

General

  • Target

    JaffaCakes118_6f1d008c6d0499aa29a2e2942d362960.exe

  • Size

    73KB

  • MD5

    6f1d008c6d0499aa29a2e2942d362960

  • SHA1

    853c07f3cd4823ce6c3e782ca5fa0c3fddeb28c8

  • SHA256

    773ed267ba4f811688af03c9a4c9d8acf03be9fab275c40c69986d1658870f59

  • SHA512

    dd6a01faf5f6a8e72041ea6b90c1dce38ec996627a77a8f8576431d9e3dbb6db235794e71518903f2e34416f64caf8670306ca2b2ab978b310f4e3211d13b344

  • SSDEEP

    1536:gLxnAv2aSRpdNAZNBGa5TsFPChwbaJgX5DHu+/Ou9O39:6+v2TAAa5TEMw+Kzr9O39

Malware Config

Extracted

Family

tofsee

C2

94.242.250.149

91.218.38.245

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

  • Tofsee

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

  • Tofsee family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f1d008c6d0499aa29a2e2942d362960.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f1d008c6d0499aa29a2e2942d362960.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Users\Admin\hiayyskx.exe
      "C:\Users\Admin\hiayyskx.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4152
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2840
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 356
          4⤵
          • Program crash
          PID:1880
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8515.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2840 -ip 2840
    1⤵
      PID:4368

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\8515.bat

      Filesize

      266B

      MD5

      798258d07f74f761a5283bb3ec33b212

      SHA1

      c39119681e6c803ce8b5c807d5305660f8250def

      SHA256

      b20b4fa12b160966aca10628cebca3bef18e232fc4cefd4070321c12b5aa0b14

      SHA512

      c2e997777f38d88c7009bc249a0fc7a3413dedcbfea39b1ee66ba8e61e1b6b1c99c4acd773c2bc07e5b4aa189b835b88f59272ecd5adfaf156b278594390bbb7

    • C:\Users\Admin\hiayyskx.exe

      Filesize

      73KB

      MD5

      6f1d008c6d0499aa29a2e2942d362960

      SHA1

      853c07f3cd4823ce6c3e782ca5fa0c3fddeb28c8

      SHA256

      773ed267ba4f811688af03c9a4c9d8acf03be9fab275c40c69986d1658870f59

      SHA512

      dd6a01faf5f6a8e72041ea6b90c1dce38ec996627a77a8f8576431d9e3dbb6db235794e71518903f2e34416f64caf8670306ca2b2ab978b310f4e3211d13b344

    • memory/2840-17-0x0000000000AB0000-0x0000000000AC2000-memory.dmp

      Filesize

      72KB

    • memory/2840-28-0x0000000000AB0000-0x0000000000AC2000-memory.dmp

      Filesize

      72KB

    • memory/2840-27-0x0000000000AB0000-0x0000000000AC2000-memory.dmp

      Filesize

      72KB

    • memory/2840-26-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

      Filesize

      4KB

    • memory/2840-9-0x0000000000AB0000-0x0000000000AC2000-memory.dmp

      Filesize

      72KB

    • memory/2840-14-0x0000000000AB0000-0x0000000000AC2000-memory.dmp

      Filesize

      72KB

    • memory/4152-11-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/4152-8-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/4152-7-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/4300-23-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/4300-22-0x0000000002170000-0x0000000002182000-memory.dmp

      Filesize

      72KB

    • memory/4300-0-0x0000000002170000-0x0000000002182000-memory.dmp

      Filesize

      72KB

    • memory/4300-1-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB