Analysis
- max time kernel
147s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
03/03/2022, 02:52
Static task
static1
Behavioral task
behavioral1
Sample
Scan-0303.xlsm
Resource
win7-20220223-en
General
- Target Scan-0303.xlsm
- Size 46KB
- Sample220303-dcq8csagcr
- SHA256 69da6d3dc89b4e4bdbba52db6d679ff69a50dc068f69642ee3d208aaff6af349
- MD5 7b7565e41809a7e99ab73a1e4ad35cee
- SHA1 fc2c6d6d9871c3c1c2c2ecfc099dd1ac3e676220
- SHA512 5882db248b305a6b72883e7bb16174f082719ad27c34b25ac7bbdb5397fb621dc370a3fcf78a390e9ea08b31aa932f6d733dc93bf4f1c6c267bd7cb615612f38
- MD5 SHA1 SHA512
Malware Config
Extracted
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xlm4.0
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xlm40.dropper
http://izdehar-alwatan.com/coupled/dqQ6kPEWHFfX/
Extracted
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emotet
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Epoch5
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186.250.48.5:80
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168.119.39.118:443
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185.168.130.138:443
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190.90.233.66:443
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159.69.237.188:443
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54.37.228.122:443
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93.104.209.107:8080
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185.148.168.15:8080
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198.199.98.78:8080
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87.106.97.83:7080
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195.77.239.39:8080
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37.44.244.177:8080
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54.38.242.185:443
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185.184.25.78:8080
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116.124.128.206:8080
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139.196.72.155:8080
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128.199.192.135:8080
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103.41.204.169:8080
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78.47.204.80:443
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68.183.93.250:443
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194.9.172.107:8080
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37.59.209.141:8080
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85.214.67.203:8080
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78.46.73.125:443
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195.154.146.35:443
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191.252.103.16:80
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118.98.72.86:443
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185.148.168.220:8080
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217.182.143.207:443
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168.197.250.14:80
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62.171.178.147:8080
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104.131.62.48:8080
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203.153.216.46:443
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210.57.209.142:8080
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59.148.253.194:443
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207.148.81.119:8080
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54.37.106.167:8080
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66.42.57.149:443
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45.71.195.104:8080
Signatures
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2196 1456 regsvr32.exe 79 - 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
pid Process 2196 regsvr32.exe 4780 regsvr32.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Zvamwffzj\vwukiodnnikq.sxf regsvr32.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1456 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4780 regsvr32.exe 4780 regsvr32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1456 EXCEL.EXE 1456 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE 1456 EXCEL.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1456 wrote to memory of 2196 1456 EXCEL.EXE 84 PID 1456 wrote to memory of 2196 1456 EXCEL.EXE 84 PID 1456 wrote to memory of 2196 1456 EXCEL.EXE 84 PID 2196 wrote to memory of 4780 2196 regsvr32.exe 85 PID 2196 wrote to memory of 4780 2196 regsvr32.exe 85 PID 2196 wrote to memory of 4780 2196 regsvr32.exe 85
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\Scan-0303.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
PID:1456 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\enu.ocx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Zvamwffzj\vwukiodnnikq.sxf"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4780
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