Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 03:49

General

  • Target

    1d8e9243522cbb094554ed8470806b81df9f75e983c081dff52af69c9d81be63.xls

  • Size

    95KB

  • MD5

    b42a09520b929f8c459751b22b4239e4

  • SHA1

    2d78e3a03be4bf2d377e7fa9fbc2c879b9453f84

  • SHA256

    1d8e9243522cbb094554ed8470806b81df9f75e983c081dff52af69c9d81be63

  • SHA512

    25b4210af3e7217d41089fc539fae47c815a8e5445d3899064d363e46d6c5cee3661fa07b32f1c5becce78607b6077bbfefb4d55f257527cf666552e24967567

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

Extracted

Family

emotet

Botnet

Epoch4

C2

94.23.45.86:4143

209.97.163.214:443

212.24.98.99:8080

103.43.75.120:443

183.111.227.137:8080

197.242.150.244:8080

129.232.188.93:443

159.65.88.10:8080

163.44.196.120:8080

51.161.73.194:443

164.90.222.65:443

159.89.202.34:443

1.234.2.232:8080

150.95.66.124:8080

51.91.76.89:8080

196.218.30.83:443

5.9.116.246:8080

146.59.226.45:443

173.212.193.249:8080

213.241.20.155:443

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 1 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 6 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 10 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\1d8e9243522cbb094554ed8470806b81df9f75e983c081dff52af69c9d81be63.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\Rlsol\CVePEg.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3524
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:5072
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:520
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:804

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\soci1.ocx
    Filesize

    312KB

    MD5

    f11508f0ade62c43b3805ebb3900d120

    SHA1

    430d41e08eff11465a8f68caae67f34474740d48

    SHA256

    adc5054f48edc8ae59769cfb932315a36199a0ade47e20d546d0875ce2d83896

    SHA512

    10eff4069efe7ecee738c79eb81c8d2dd3b0a5ffcbcad6314629cff607a1132c5cfb237270bb09b42bc3e66e02c661ae60c541a984e9b14febd2ac2e222fad34

  • \Users\Admin\soci1.ocx
    Filesize

    312KB

    MD5

    f11508f0ade62c43b3805ebb3900d120

    SHA1

    430d41e08eff11465a8f68caae67f34474740d48

    SHA256

    adc5054f48edc8ae59769cfb932315a36199a0ade47e20d546d0875ce2d83896

    SHA512

    10eff4069efe7ecee738c79eb81c8d2dd3b0a5ffcbcad6314629cff607a1132c5cfb237270bb09b42bc3e66e02c661ae60c541a984e9b14febd2ac2e222fad34

  • memory/520-296-0x0000000000000000-mapping.dmp
  • memory/804-299-0x0000000000000000-mapping.dmp
  • memory/2364-119-0x00007FFD6AA70000-0x00007FFD6AA80000-memory.dmp
    Filesize

    64KB

  • memory/2364-120-0x00007FFD6AA70000-0x00007FFD6AA80000-memory.dmp
    Filesize

    64KB

  • memory/2364-121-0x00007FFD6AA70000-0x00007FFD6AA80000-memory.dmp
    Filesize

    64KB

  • memory/2364-130-0x00007FFD66F70000-0x00007FFD66F80000-memory.dmp
    Filesize

    64KB

  • memory/2364-131-0x00007FFD66F70000-0x00007FFD66F80000-memory.dmp
    Filesize

    64KB

  • memory/2364-118-0x00007FFD6AA70000-0x00007FFD6AA80000-memory.dmp
    Filesize

    64KB

  • memory/3524-288-0x0000000000000000-mapping.dmp
  • memory/5048-274-0x0000000000000000-mapping.dmp
  • memory/5048-277-0x0000000180000000-0x000000018002D000-memory.dmp
    Filesize

    180KB

  • memory/5072-287-0x0000000000000000-mapping.dmp