Analysis
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max time kernel
135s -
max time network
135s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:20
Behavioral task
behavioral1
Sample
de350a3ba96f6c7cfdaca0cbb57fabf100d867975a639dc3477dcd42158e155d.xls
Resource
win10-20220414-en
General
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Target
de350a3ba96f6c7cfdaca0cbb57fabf100d867975a639dc3477dcd42158e155d.xls
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Size
95KB
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MD5
2329411917d4631610147f2e5babb7fd
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SHA1
bdde20877063bdc21f8ea1d07cf0551d7108e82f
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SHA256
de350a3ba96f6c7cfdaca0cbb57fabf100d867975a639dc3477dcd42158e155d
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SHA512
2a1b84130b30a6d7517dda27775108e37ef55356af96c0c076544468b5a131b1c1310fb212e1592c646be5c6ee662ead2d83823c92a47f9a11e2b0ff5a0eb618
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 4312 2664 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4296 2664 regsvr32.exe EXCEL.EXE -
Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 4296 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 2664 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4296 regsvr32.exe 4296 regsvr32.exe 660 regsvr32.exe 660 regsvr32.exe 660 regsvr32.exe 660 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2664 EXCEL.EXE 2664 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE 2664 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 2664 wrote to memory of 4312 2664 EXCEL.EXE regsvr32.exe PID 2664 wrote to memory of 4312 2664 EXCEL.EXE regsvr32.exe PID 2664 wrote to memory of 4296 2664 EXCEL.EXE regsvr32.exe PID 2664 wrote to memory of 4296 2664 EXCEL.EXE regsvr32.exe PID 4296 wrote to memory of 660 4296 regsvr32.exe regsvr32.exe PID 4296 wrote to memory of 660 4296 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\de350a3ba96f6c7cfdaca0cbb57fabf100d867975a639dc3477dcd42158e155d.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\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\CuGxY\SsCVmxjBluvp.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
MD517b7d4c551be7da38862f33fab9c55ab
SHA17dc05f6e403e0028eac5cce26b54d433b1db7c82
SHA256c9f6b75f0b0f06753a1e507c4d20a68c60f0a7696e7a9c9a73100bb77e5d6ebc
SHA512631fb8a37d7f845466c7f4948fe2bec169f9476f860a41156c7cafb480cd869860703f77826f1f690a5167cb36d0569ae2d577c94b4b8b0a9e03d9732ff08af4
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\Users\Admin\soci2.ocxFilesize
847KB
MD517b7d4c551be7da38862f33fab9c55ab
SHA17dc05f6e403e0028eac5cce26b54d433b1db7c82
SHA256c9f6b75f0b0f06753a1e507c4d20a68c60f0a7696e7a9c9a73100bb77e5d6ebc
SHA512631fb8a37d7f845466c7f4948fe2bec169f9476f860a41156c7cafb480cd869860703f77826f1f690a5167cb36d0569ae2d577c94b4b8b0a9e03d9732ff08af4
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memory/660-289-0x0000000000000000-mapping.dmp
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memory/2664-118-0x00007FF860FF0000-0x00007FF861000000-memory.dmpFilesize
64KB
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memory/2664-119-0x00007FF860FF0000-0x00007FF861000000-memory.dmpFilesize
64KB
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memory/2664-120-0x00007FF860FF0000-0x00007FF861000000-memory.dmpFilesize
64KB
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memory/2664-121-0x00007FF860FF0000-0x00007FF861000000-memory.dmpFilesize
64KB
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memory/2664-130-0x00007FF85E330000-0x00007FF85E340000-memory.dmpFilesize
64KB
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memory/2664-131-0x00007FF85E330000-0x00007FF85E340000-memory.dmpFilesize
64KB
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memory/4296-281-0x0000000000000000-mapping.dmp
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memory/4296-284-0x0000000180000000-0x0000000180030000-memory.dmpFilesize
192KB
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memory/4312-280-0x0000000000000000-mapping.dmp