Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:29

General

  • Target

    237b60f922241157a85d147ba1243226d3763872abd6dbb66d98f0550cea7d0c.xls

  • Size

    91KB

  • MD5

    9cbb4d282a69c3ef633331a614f97f94

  • SHA1

    3002a39d7c5e42b199561321673b6faa2d39694c

  • SHA256

    237b60f922241157a85d147ba1243226d3763872abd6dbb66d98f0550cea7d0c

  • SHA512

    03bc0badc24241ec516faccc8d1dbeaf6659231a3357e28496fdd73b1d6535a3f1618305f15b81107c6e85702bcd44d64c11475c0f4b1506ed158d7ab4407e8d

  • 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\237b60f922241157a85d147ba1243226d3763872abd6dbb66d98f0550cea7d0c.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1644
    • 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:452
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\IcpCxPodwgJDfVk\DUzhnpOCizEYUpUS.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3208
    • 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:1196
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NrqtG\Fbiy.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2112
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1956
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1948

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          54663713c4755b14824b36f31af99561

          SHA1

          242cb103a9c653490fe70e9624f8598d0351a88f

          SHA256

          64c4ca763f96b5ebf7c01b3f68d8d82a56872a274e2ea9cfbb9d8971794cc115

          SHA512

          374b79727f32540783b6370df3a0a95717abe0b441b5d1e85660371ed59d021acacee8c1027b74d246fcf5455df03340e9ed7349a78c615f49e904e0762886b0

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          4e8c394222a8ad3a013d41781d24070f

          SHA1

          84598e96917e7413baaa8906b4da8310360a41e5

          SHA256

          1a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6

          SHA512

          59b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          54663713c4755b14824b36f31af99561

          SHA1

          242cb103a9c653490fe70e9624f8598d0351a88f

          SHA256

          64c4ca763f96b5ebf7c01b3f68d8d82a56872a274e2ea9cfbb9d8971794cc115

          SHA512

          374b79727f32540783b6370df3a0a95717abe0b441b5d1e85660371ed59d021acacee8c1027b74d246fcf5455df03340e9ed7349a78c615f49e904e0762886b0

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          4e8c394222a8ad3a013d41781d24070f

          SHA1

          84598e96917e7413baaa8906b4da8310360a41e5

          SHA256

          1a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6

          SHA512

          59b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32

        • memory/452-271-0x0000000000750000-0x000000000077E000-memory.dmp

          Filesize

          184KB

        • memory/1644-133-0x00007FFED5040000-0x00007FFED5050000-memory.dmp

          Filesize

          64KB

        • memory/1644-122-0x00007FFED8750000-0x00007FFED8760000-memory.dmp

          Filesize

          64KB

        • memory/1644-120-0x00007FFED8750000-0x00007FFED8760000-memory.dmp

          Filesize

          64KB

        • memory/1644-123-0x00007FFED8750000-0x00007FFED8760000-memory.dmp

          Filesize

          64KB

        • memory/1644-121-0x00007FFED8750000-0x00007FFED8760000-memory.dmp

          Filesize

          64KB

        • memory/1644-132-0x00007FFED5040000-0x00007FFED5050000-memory.dmp

          Filesize

          64KB