Analysis

  • max time kernel
    141s
  • max time network
    144s
  • 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, 10:40

General

  • Target

    05fee62ac4a368cf906744a1dd50d7edd5606199c027d685f90399478e3df844.xls

  • Size

    91KB

  • MD5

    92134bc3a4f89cd593294e6d22a37860

  • SHA1

    e523edfe64befa8e8571dcf0325df1fa7d1669b9

  • SHA256

    05fee62ac4a368cf906744a1dd50d7edd5606199c027d685f90399478e3df844

  • SHA512

    f2945f97622bdb9f9db2f67594424858bcd074b77674cf62d6b6ca5952a17542ca6ef95dda64434d5a23e125eb386a0a66096cb3068399ae450c872e59916094

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgu

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\05fee62ac4a368cf906744a1dd50d7edd5606199c027d685f90399478e3df844.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3876
    • 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:808
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FhyOSwihxgc\SljtMeIJGjZ.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1040
    • 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:1244
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JpMjjNvFwpwI\SKOhK.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:640
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3400
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:220

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/808-283-0x00000000021D0000-0x00000000021FE000-memory.dmp

          Filesize

          184KB

        • memory/3876-128-0x00007FFDCC540000-0x00007FFDCC550000-memory.dmp

          Filesize

          64KB

        • memory/3876-127-0x00007FFDCC540000-0x00007FFDCC550000-memory.dmp

          Filesize

          64KB

        • memory/3876-118-0x00007FFDCFBA0000-0x00007FFDCFBB0000-memory.dmp

          Filesize

          64KB

        • memory/3876-117-0x00007FFDCFBA0000-0x00007FFDCFBB0000-memory.dmp

          Filesize

          64KB

        • memory/3876-115-0x00007FFDCFBA0000-0x00007FFDCFBB0000-memory.dmp

          Filesize

          64KB

        • memory/3876-116-0x00007FFDCFBA0000-0x00007FFDCFBB0000-memory.dmp

          Filesize

          64KB

        • memory/3876-337-0x00007FFDCFBA0000-0x00007FFDCFBB0000-memory.dmp

          Filesize

          64KB

        • memory/3876-338-0x00007FFDCFBA0000-0x00007FFDCFBB0000-memory.dmp

          Filesize

          64KB

        • memory/3876-339-0x00007FFDCFBA0000-0x00007FFDCFBB0000-memory.dmp

          Filesize

          64KB

        • memory/3876-340-0x00007FFDCFBA0000-0x00007FFDCFBB0000-memory.dmp

          Filesize

          64KB