Analysis
- max time kernel
149s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
15/03/2022, 13:11
General
- Target 3 1403.xlsm
- Size 48KB
- Sample220315-qe56hsbec2
- SHA256 8e586a928eecac9fa5b4dd6980915389f0092c6ec968ffe90dc4ccf3504ae578
Malware Config
Extracted
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xlm4.0
-
xlm40.dropper
http://www.arkpp.com/ARIS-BSU/9K1/
Extracted
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emotet
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Epoch4
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217.182.143.248:8080
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185.4.135.27:8080
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192.99.251.50:443
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146.59.226.45:443
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162.214.118.104:8080
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195.154.133.20:443
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103.75.201.2:443
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5.9.116.246:8080
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177.87.70.10:8080
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31.24.158.56:8080
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103.75.201.4:443
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158.69.222.101:443
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185.157.82.211:8080
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185.8.212.130:7080
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186.250.48.117:7080
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110.232.117.186:8080
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46.55.222.11:443
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196.218.30.83:443
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51.91.7.5:8080
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176.56.128.118:443
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.
- 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 FindShellTrayWindow 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\3 1403.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\fbd.dll2⤵
- 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\Yyrrkvucvibkkh\gzknehuewy.uox"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/604-142-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-143-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-135-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-136-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-137-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-138-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-139-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-141-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-140-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-130-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/604-144-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-134-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/604-145-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-146-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-148-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-147-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-149-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-150-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-151-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/604-133-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/604-131-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/604-132-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/2324-158-0x00000000024C0000-0x00000000024E8000-memory.dmp
memory/4896-154-0x0000000000960000-0x0000000000988000-memory.dmp