Analysis
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max time kernel
146s -
max time network
148s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:15
Behavioral task
behavioral1
Sample
d57cf053c810bf4062067204fd9fd4acd5c02d59047a2b6ee2b99d6a3bff2fef.xls
Resource
win10-20220414-en
General
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Target
d57cf053c810bf4062067204fd9fd4acd5c02d59047a2b6ee2b99d6a3bff2fef.xls
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Size
95KB
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MD5
e18e960c0832525e8a95b51aad987941
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SHA1
13444ca3a91efe755269eef3b9634ade0538fd50
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SHA256
d57cf053c810bf4062067204fd9fd4acd5c02d59047a2b6ee2b99d6a3bff2fef
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SHA512
da00d0ff0f25102f5ede64bd015a7e243b612e681e1848c3982de0e4f764bc93cf1efe7ea9dc838f46f9983ba67635c06c3d3951c023e19826a6a1007694897c
Malware Config
Extracted
https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/
http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/
http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/
Extracted
emotet
Epoch5
103.71.99.57:8080
103.224.241.74:8080
157.245.111.0:8080
37.44.244.177:8080
103.41.204.169:8080
64.227.55.231:8080
103.254.12.236:7080
103.85.95.4:8080
157.230.99.206:8080
165.22.254.236:8080
85.214.67.203:8080
54.37.228.122:443
195.77.239.39:8080
128.199.217.206:443
190.145.8.4:443
165.232.185.110:8080
188.165.79.151:443
178.62.112.199:8080
54.37.106.167:8080
104.244.79.94:443
43.129.209.178:443
87.106.97.83:7080
202.134.4.210:7080
178.238.225.252:8080
198.199.70.22:8080
62.171.178.147:8080
175.126.176.79:8080
128.199.242.164:8080
88.217.172.165:8080
104.248.225.227:8080
85.25.120.45:8080
139.196.72.155:8080
188.225.32.231:4143
202.29.239.162:443
103.126.216.86:443
210.57.209.142:8080
93.104.209.107:8080
196.44.98.190:8080
5.253.30.17:7080
46.101.98.60:8080
103.56.149.105:8080
190.107.19.179:443
139.59.80.108:8080
36.67.23.59:443
78.47.204.80:443
83.229.80.93:8080
174.138.33.49:7080
118.98.72.86:443
37.187.114.15:8080
202.28.34.99:8080
Signatures
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Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4296 2380 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4964 2380 regsvr32.exe EXCEL.EXE -
Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 4964 regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2380 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4964 regsvr32.exe 4964 regsvr32.exe 4168 regsvr32.exe 4168 regsvr32.exe 4168 regsvr32.exe 4168 regsvr32.exe -
Suspicious use of SetWindowsHookEx 9 IoCs
Processes:
EXCEL.EXEpid process 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE 2380 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 2380 wrote to memory of 4296 2380 EXCEL.EXE regsvr32.exe PID 2380 wrote to memory of 4296 2380 EXCEL.EXE regsvr32.exe PID 2380 wrote to memory of 4964 2380 EXCEL.EXE regsvr32.exe PID 2380 wrote to memory of 4964 2380 EXCEL.EXE regsvr32.exe PID 4964 wrote to memory of 4168 4964 regsvr32.exe regsvr32.exe PID 4964 wrote to memory of 4168 4964 regsvr32.exe regsvr32.exe
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\d57cf053c810bf4062067204fd9fd4acd5c02d59047a2b6ee2b99d6a3bff2fef.xls"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\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\FSIEwtAnJyrPaEH\wjExdNdccHQ.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\soci2.ocxFilesize
847KB
MD55a178379e8eb9fe9bbb2f622f24f2b82
SHA12206aeee33bf7f42f1cd20f7cb2a1ec4328d76a2
SHA25696297bee096c1f9d4d5f60cfe7fef08357f58dbadcebae0ad0f657474c8b64be
SHA512c9cd2852686acfa5e787f178faf0517c9001f05a85b61bde11d26451cfb2a421bcedfeb39bc8e596768169719394ee6f1aa040549c41fc9cd96e352cae8bed12
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\Users\Admin\soci2.ocxFilesize
847KB
MD55a178379e8eb9fe9bbb2f622f24f2b82
SHA12206aeee33bf7f42f1cd20f7cb2a1ec4328d76a2
SHA25696297bee096c1f9d4d5f60cfe7fef08357f58dbadcebae0ad0f657474c8b64be
SHA512c9cd2852686acfa5e787f178faf0517c9001f05a85b61bde11d26451cfb2a421bcedfeb39bc8e596768169719394ee6f1aa040549c41fc9cd96e352cae8bed12
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memory/2380-117-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmpFilesize
64KB
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memory/2380-118-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmpFilesize
64KB
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memory/2380-119-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmpFilesize
64KB
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memory/2380-120-0x00007FFFA31B0000-0x00007FFFA31C0000-memory.dmpFilesize
64KB
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memory/2380-129-0x00007FFF9F980000-0x00007FFF9F990000-memory.dmpFilesize
64KB
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memory/2380-130-0x00007FFF9F980000-0x00007FFF9F990000-memory.dmpFilesize
64KB
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memory/4168-277-0x0000000000000000-mapping.dmp
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memory/4296-268-0x0000000000000000-mapping.dmp
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memory/4964-269-0x0000000000000000-mapping.dmp
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memory/4964-272-0x0000000180000000-0x0000000180030000-memory.dmpFilesize
192KB