Analysis

  • max time kernel
    125s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:42

General

  • Target

    86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.xls

  • Size

    91KB

  • MD5

    5bbf7d6a0b396a3534852500f7939494

  • SHA1

    d2b8d30df7b3c941f4d48d0e0fbcf0e258c451b7

  • SHA256

    86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278

  • SHA512

    1428568bd61897aa1ebffb648386f830a5688f030e009fc2d0d2ab67b7f06de488247710c9ac0c8d23e94e1c0098036140aed80fe572480c98cd9c49d3342c4c

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/is9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://bosny.com/aspnet_client/R50QIOGjmvVlr/

xlm40.dropper

http://navylin.com/autopoisonous/4fZQW/

xlm40.dropper

http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/

xlm40.dropper

http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

Extracted

Family

emotet

Botnet

Epoch5

C2

202.28.34.99:8080

80.211.107.116:8080

175.126.176.79:8080

218.38.121.17:443

139.196.72.155:8080

103.71.99.57:8080

87.106.97.83:7080

178.62.112.199:8080

64.227.55.231:8080

46.101.98.60:8080

54.37.228.122:443

128.199.217.206:443

190.145.8.4:443

209.239.112.82:8080

85.214.67.203:8080

198.199.70.22:8080

128.199.242.164:8080

178.238.225.252:8080

103.85.95.4:8080

103.126.216.86:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 4 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4896
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CDlUbGnVsx\LWtOuuDOh.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:580
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\WXZbEkfOMuwmhh\CBCZ.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1784
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:5032
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3388

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          d91b16ead21c4a8468e0e411b4104b8b

          SHA1

          e014b2034b852c53ff4528f7ae80cd2dd7c0e8d7

          SHA256

          d96d07555698b46be58865d8f65d0553b6a64bffae36072507291175b23876ca

          SHA512

          18c0d7831717f87c300cede2cffffcc002a33ded4b48fb19fc9225c0553c185cadef7eeab2d41248ed6b7b66be95b170f9bb482f1d2720daf982f0ca4790674a

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          d8d225350e7e511598ca5e62139ab35b

          SHA1

          9840cf8f5a2d06c74ac3986f62c8c951c87c99cc

          SHA256

          e5d587bc2bffd9e7c7508bc09518aa67ee8c05286ebd09bbbe1323c4fb560966

          SHA512

          751a6bfc41d086e6327b895f2f06bb3fa4653919e1280dc0786fb4ff989304b03baeaee6dc65533870e1653a46979a70e26851893b9e41c146242adf7862307f

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          d91b16ead21c4a8468e0e411b4104b8b

          SHA1

          e014b2034b852c53ff4528f7ae80cd2dd7c0e8d7

          SHA256

          d96d07555698b46be58865d8f65d0553b6a64bffae36072507291175b23876ca

          SHA512

          18c0d7831717f87c300cede2cffffcc002a33ded4b48fb19fc9225c0553c185cadef7eeab2d41248ed6b7b66be95b170f9bb482f1d2720daf982f0ca4790674a

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          d8d225350e7e511598ca5e62139ab35b

          SHA1

          9840cf8f5a2d06c74ac3986f62c8c951c87c99cc

          SHA256

          e5d587bc2bffd9e7c7508bc09518aa67ee8c05286ebd09bbbe1323c4fb560966

          SHA512

          751a6bfc41d086e6327b895f2f06bb3fa4653919e1280dc0786fb4ff989304b03baeaee6dc65533870e1653a46979a70e26851893b9e41c146242adf7862307f

        • memory/2692-131-0x00007FF9159F0000-0x00007FF915A00000-memory.dmp

          Filesize

          64KB

        • memory/2692-119-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

          Filesize

          64KB

        • memory/2692-345-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

          Filesize

          64KB

        • memory/2692-118-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

          Filesize

          64KB

        • memory/2692-130-0x00007FF9159F0000-0x00007FF915A00000-memory.dmp

          Filesize

          64KB

        • memory/2692-121-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

          Filesize

          64KB

        • memory/2692-120-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

          Filesize

          64KB

        • memory/2692-344-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

          Filesize

          64KB

        • memory/2692-343-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

          Filesize

          64KB

        • memory/2692-342-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

          Filesize

          64KB

        • memory/4896-287-0x00000000009B0000-0x00000000009DE000-memory.dmp

          Filesize

          184KB