Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
28/02/2022, 22:24
General
- Target Form.xlsm
- Size 40KB
- Sample220228-2bfx1afbg7
- SHA256 661a549e078758c2a46bf13030d514f08178a013b2aac83d5cb1600ee93f8043
Malware Config
Extracted
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xlm4.0
-
xlm40.dropper
http://vipteck.com/wp-content/M/
Extracted
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emotet
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Epoch4
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168.235.104.209:8080
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195.154.253.60:8080
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152.89.239.34:443
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212.237.56.116:7080
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45.118.115.99:8080
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103.75.201.4:443
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185.157.82.211:8080
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119.235.255.201:8080
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103.75.201.2:443
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45.176.232.124:443
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138.185.72.26:8080
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79.172.212.216:8080
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131.100.24.231:80
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178.128.83.165:80
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178.79.147.66:8080
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110.232.117.186:8080
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51.254.140.238:7080
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173.212.193.249:8080
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50.30.40.196:8080
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50.116.54.215:443
Signatures
- Emotet
Emotet is a trojan that is primarily spread through spam emails.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Loads dropped DLL 2 IoCs
- Drops file in System32 directory 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 2 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 6 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\Form.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\aew.ocx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Mbobqkzanebutofy\kysftspmmv.zzo"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1228-130-0x00007FFC10150000-0x00007FFC10160000-memory.dmp
memory/1228-131-0x00007FFC10150000-0x00007FFC10160000-memory.dmp
memory/1228-132-0x00007FFC10150000-0x00007FFC10160000-memory.dmp
memory/1228-134-0x00007FFC5016D000-0x00007FFC5016E000-memory.dmp
memory/1228-133-0x00007FFC10150000-0x00007FFC10160000-memory.dmp
memory/1228-135-0x00007FFC50170000-0x00007FFC50171000-memory.dmp
memory/1228-136-0x00007FFC10150000-0x00007FFC10160000-memory.dmp
memory/2700-156-0x0000000004770000-0x0000000004798000-memory.dmp
memory/3460-160-0x0000000002E90000-0x0000000002EB8000-memory.dmp