Windows 7 deprecation

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

Analysis

  • max time kernel
    144s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2024, 20:03

General

  • Target

    2024-12-22_b82fd7f8c53a08352f6a9b9334e91beb_mafia.exe

  • Size

    14.8MB

  • MD5

    b82fd7f8c53a08352f6a9b9334e91beb

  • SHA1

    1706f756e43a88d305fa8ef491e5d71b8505c3cc

  • SHA256

    d7fe9f760dfce3b7a6b53e5159d3b7af53cf7c1041af9bbb9f1e335d9946d74e

  • SHA512

    3e0abd797ac7aaef9861a7ff397d1370956fafc51839bc98aaea524d4c9853d13e91119ee24ce2eb9b6a99d2b476defa1a0995bd655b3468a20aab713604002d

  • SSDEEP

    3072:wLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:NOMdRQr7OB0ypmMXnl8XEPM3noSWOC

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

  • Tofsee

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

  • Tofsee family
  • Windows security bypass 2 TTPs 1 IoCs
  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-22_b82fd7f8c53a08352f6a9b9334e91beb_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-22_b82fd7f8c53a08352f6a9b9334e91beb_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\exabolb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2796
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nhhyjsjl.exe" C:\Windows\SysWOW64\exabolb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2912
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create exabolb binPath= "C:\Windows\SysWOW64\exabolb\nhhyjsjl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-22_b82fd7f8c53a08352f6a9b9334e91beb_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2928
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description exabolb "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2888
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start exabolb
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2988
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2716
  • C:\Windows\SysWOW64\exabolb\nhhyjsjl.exe
    C:\Windows\SysWOW64\exabolb\nhhyjsjl.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-22_b82fd7f8c53a08352f6a9b9334e91beb_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nhhyjsjl.exe

    Filesize

    14.0MB

    MD5

    eff0ce6f0a10071bdde90790162ec061

    SHA1

    5e36d1621d75c948ad5077f0b63906946af701f4

    SHA256

    bd1c0e42b1d2f6c1a4df023048ce81ab1a6593c7415fa0fb24c69d3de2c253f7

    SHA512

    b34bef1117c88adf7e952fa0b96d094d2576a03986962cdbaaea76b06a6dc4ace4a8d2ade6aa5018243cd4ae7a24dedaee4c28ee7025d96fc51ecf47a2fee436

  • memory/2028-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2028-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2028-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2028-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2028-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2880-13-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2952-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2952-1-0x0000000000540000-0x0000000000640000-memory.dmp

    Filesize

    1024KB

  • memory/2952-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2952-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2952-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2952-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB