Analysis
- max time kernel
159s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
02/03/2022, 09:39
General
- Target Invoice.xlsm
- Size 46KB
- Sample220302-lmmxpagabl
- SHA256 584585dfd7ada7b692e71e402d2c76fe2857fcefc93522604222f344364c39c9
Malware Config
Extracted
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xlm4.0
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xlm40.dropper
http://rosywhitecleaningsolution.com/wp-admin/PqMw6fND8Bb1I4VPR10/
Extracted
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emotet
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Epoch4
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209.15.236.39:8080
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162.244.80.68:443
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195.154.253.60:8080
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31.24.158.56:8080
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209.126.98.206:8080
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45.142.114.231:8080
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159.8.59.82:8080
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159.65.88.10:8080
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82.165.152.127:8080
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1.234.2.232:8080
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178.79.147.66:8080
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103.75.201.4:443
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131.100.24.231:80
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129.232.188.93:443
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173.212.193.249:8080
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107.182.225.142:8080
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103.134.85.85:80
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176.104.106.96:8080
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203.114.109.124:443
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216.158.226.206:443
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.
- suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
- Downloads MZ/PE file
- 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\Invoice.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 ..\sei.ocx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Fpcloliyjqencixg\dvetfjh.ehl"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1396-139-0x0000000001440000-0x0000000001468000-memory.dmp
memory/2000-130-0x00007FF8D96F0000-0x00007FF8D9700000-memory.dmp
memory/2000-131-0x00007FF8D96F0000-0x00007FF8D9700000-memory.dmp
memory/2000-132-0x00007FF8D96F0000-0x00007FF8D9700000-memory.dmp
memory/2000-133-0x00007FF8D96F0000-0x00007FF8D9700000-memory.dmp
memory/2000-134-0x00007FF8D96F0000-0x00007FF8D9700000-memory.dmp
memory/2000-135-0x00007FF91970D000-0x00007FF91970E000-memory.dmp
memory/2000-136-0x00007FF919710000-0x00007FF919711000-memory.dmp
memory/4936-142-0x0000000000920000-0x0000000000948000-memory.dmp