Analysis

  • max time kernel
    101s
  • 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, 10:55

General

  • Target

    f9aebb47cd76923fcb9a655ce504e8765593acbdbb5ba9ab85258db896c053fa.xls

  • Size

    91KB

  • MD5

    f3c762b18399efd122ed38a31db5c5a6

  • SHA1

    9e97cc9307b72e55c155a3de77ec99e7222e4def

  • SHA256

    f9aebb47cd76923fcb9a655ce504e8765593acbdbb5ba9ab85258db896c053fa

  • SHA512

    e6ab4d798e73d0c75d073acdc5bd2b0ef10521798040e6d44d8eff04a68757c0b647b7dcd1a17550f6cce2570093966190b73680165e6cbaed44966275c98f4b

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.conceptagency.net/css/b8eaKN/

xlm40.dropper

https://bencevendeghaz.hu/2zjoi/cwfKJOzA/

xlm40.dropper

http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/

xlm40.dropper

http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/

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 3 IoCs
  • Adds Run key to start application 2 TTPs 6 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 18 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 14 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\f9aebb47cd76923fcb9a655ce504e8765593acbdbb5ba9ab85258db896c053fa.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4672
    • 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:2244
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VoDceoyIUAplQDAAT\liFHGzSNPcEDZD.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4896
    • 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:4248
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\EXPvAHgyO\WcDLawmYz.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4800
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3288
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\AvaZYZZOBlkhQzwVX\TSxZoRcmvnWx.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4884

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          5a5557c55d6602b4e7a69c9fe800a073

          SHA1

          e8df1ae8707ccbf300da0ce6395c8c580825dd55

          SHA256

          a96a0875d7f6b7f7c5ae544ce1a14c101b6d9a4daffb21e16154244192486139

          SHA512

          55c5b8b05d9a5f77f45a113e8042156605caee99cd2eb6beb3101bbf2db9ea1acf7e0f2f2335e4507a8b001809da1933548f60ec8744682e5003283c96f8e075

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          e13fecff6dc982531324cdba4f224d1d

          SHA1

          0de9ca7b8770ce588684237d2739d456bc64dade

          SHA256

          78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0

          SHA512

          0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          1e8791ce5e6d13941359c46b6a928621

          SHA1

          da4afc3f8bba09f73ce45b4764c033813c239624

          SHA256

          d0ad1a17f8bf2be026d74e0eb0eb16f99367370300c4e031ebe58286c0e543b0

          SHA512

          f43171df91dd29742e5c2fad21a89b68eebb0a183a27737b43e5404c27da2edad017df71ec05441ef484b8d07c1f8003a7ea4cfe017e059d23eae373540f727d

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          5a5557c55d6602b4e7a69c9fe800a073

          SHA1

          e8df1ae8707ccbf300da0ce6395c8c580825dd55

          SHA256

          a96a0875d7f6b7f7c5ae544ce1a14c101b6d9a4daffb21e16154244192486139

          SHA512

          55c5b8b05d9a5f77f45a113e8042156605caee99cd2eb6beb3101bbf2db9ea1acf7e0f2f2335e4507a8b001809da1933548f60ec8744682e5003283c96f8e075

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          e13fecff6dc982531324cdba4f224d1d

          SHA1

          0de9ca7b8770ce588684237d2739d456bc64dade

          SHA256

          78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0

          SHA512

          0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          1e8791ce5e6d13941359c46b6a928621

          SHA1

          da4afc3f8bba09f73ce45b4764c033813c239624

          SHA256

          d0ad1a17f8bf2be026d74e0eb0eb16f99367370300c4e031ebe58286c0e543b0

          SHA512

          f43171df91dd29742e5c2fad21a89b68eebb0a183a27737b43e5404c27da2edad017df71ec05441ef484b8d07c1f8003a7ea4cfe017e059d23eae373540f727d

        • memory/2244-146-0x0000000000F30000-0x0000000000F5E000-memory.dmp

          Filesize

          184KB

        • memory/4672-349-0x00007FF838960000-0x00007FF838970000-memory.dmp

          Filesize

          64KB

        • memory/4672-118-0x00007FF838960000-0x00007FF838970000-memory.dmp

          Filesize

          64KB

        • memory/4672-117-0x00007FF838960000-0x00007FF838970000-memory.dmp

          Filesize

          64KB

        • memory/4672-127-0x00007FF834EA0000-0x00007FF834EB0000-memory.dmp

          Filesize

          64KB

        • memory/4672-347-0x00007FF838960000-0x00007FF838970000-memory.dmp

          Filesize

          64KB

        • memory/4672-128-0x00007FF834EA0000-0x00007FF834EB0000-memory.dmp

          Filesize

          64KB

        • memory/4672-116-0x00007FF838960000-0x00007FF838970000-memory.dmp

          Filesize

          64KB

        • memory/4672-115-0x00007FF838960000-0x00007FF838970000-memory.dmp

          Filesize

          64KB

        • memory/4672-348-0x00007FF838960000-0x00007FF838970000-memory.dmp

          Filesize

          64KB

        • memory/4672-346-0x00007FF838960000-0x00007FF838970000-memory.dmp

          Filesize

          64KB