Analysis
- max time kernel
160s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
16/03/2022, 13:30
General
- Target Rechnungszahlung 2022.16.03_1423.xlsm
- Size 32KB
- Sample220316-qrtm9aecf5
- SHA256 43aec7d9df162442c0e337c7d1ebe80c66731e6edaef048f446531e8a88e9e33
Malware Config
Extracted
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xlm4.0
-
xlm40.dropper
https://casache.com/web/n3jxwXXwa/
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xlm40.dropper
https://www.blessingsource.com/blessingsource.com/rFQ0Ip6lQXXK/
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xlm40.dropper
http://ccalaire.com/wp-admin/d1pGRa0X/
Extracted
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emotet
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Epoch4
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45.76.1.145:443
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217.182.25.250:8080
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119.193.124.41:7080
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192.99.251.50:443
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146.59.226.45:443
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173.212.193.249:8080
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207.38.84.195:8080
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45.118.135.203:7080
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31.24.158.56:8080
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209.126.98.206:8080
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212.237.17.99:8080
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216.158.226.206:443
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50.30.40.196:8080
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82.165.152.127:8080
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159.8.59.82:8080
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107.182.225.142:8080
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110.232.117.186:8080
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72.15.201.15:8080
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5.9.116.246:8080
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79.172.212.216:8080
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 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\Rechnungszahlung 2022.16.03_1423.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\rfs.dll2⤵
- 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\Bokhdktqmkvjgb\pkwigplkcwikd.bau"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/848-142-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-143-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-135-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-136-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-137-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-138-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-140-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-139-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-141-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-130-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/848-144-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-134-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/848-145-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-146-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-147-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-148-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-149-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-151-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-150-0x00007FF9C6F50000-0x00007FF9C7145000-memory.dmp
memory/848-133-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/848-131-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/848-132-0x00007FF986FD0000-0x00007FF986FE0000-memory.dmp
memory/2328-159-0x0000000002C80000-0x0000000002CB5000-memory.dmp
memory/3988-155-0x0000000002560000-0x0000000002595000-memory.dmp