Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:14
Behavioral task
behavioral1
Sample
c08128828cb9e37225f7fbca04e9faa5906b8e2d1e0aad44f7039bec67aa56de.xls
Resource
win10-20220414-en
General
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Target
c08128828cb9e37225f7fbca04e9faa5906b8e2d1e0aad44f7039bec67aa56de.xls
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Size
95KB
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MD5
611a14dea2988c2d129dc3e45132fe34
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SHA1
d96b339d5503b0a0039f7b8bd0951e029de07b3f
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SHA256
c08128828cb9e37225f7fbca04e9faa5906b8e2d1e0aad44f7039bec67aa56de
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SHA512
8fb273f77e82a3a4937416b558cc5c36582bf981b634c1d936584e01ffac522300f2c0d37a1df31cdb98ad53bf50d5dbf8bca8ac30ca51db510589142045193b
Malware Config
Extracted
https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/
http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/
http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/
http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/
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 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exeregsvr32.exeregsvr32.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 4980 2108 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4964 2108 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4620 2108 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4652 2108 regsvr32.exe EXCEL.EXE -
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4964 regsvr32.exe 4620 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 -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
Processes:
ipconfig.exepid process 4436 ipconfig.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2108 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exepid process 4964 regsvr32.exe 4964 regsvr32.exe 4620 regsvr32.exe 4620 regsvr32.exe 4488 regsvr32.exe 4712 regsvr32.exe 4712 regsvr32.exe 4488 regsvr32.exe 4488 regsvr32.exe 4712 regsvr32.exe 4488 regsvr32.exe 4712 regsvr32.exe 4712 regsvr32.exe 4712 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE 2108 EXCEL.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exedescription pid process target process PID 2108 wrote to memory of 4980 2108 EXCEL.EXE regsvr32.exe PID 2108 wrote to memory of 4980 2108 EXCEL.EXE regsvr32.exe PID 2108 wrote to memory of 4964 2108 EXCEL.EXE regsvr32.exe PID 2108 wrote to memory of 4964 2108 EXCEL.EXE regsvr32.exe PID 2108 wrote to memory of 4620 2108 EXCEL.EXE regsvr32.exe PID 2108 wrote to memory of 4620 2108 EXCEL.EXE regsvr32.exe PID 2108 wrote to memory of 4652 2108 EXCEL.EXE regsvr32.exe PID 2108 wrote to memory of 4652 2108 EXCEL.EXE regsvr32.exe PID 4964 wrote to memory of 4488 4964 regsvr32.exe regsvr32.exe PID 4964 wrote to memory of 4488 4964 regsvr32.exe regsvr32.exe PID 4620 wrote to memory of 4712 4620 regsvr32.exe regsvr32.exe PID 4620 wrote to memory of 4712 4620 regsvr32.exe regsvr32.exe PID 4712 wrote to memory of 3200 4712 regsvr32.exe systeminfo.exe PID 4712 wrote to memory of 3200 4712 regsvr32.exe systeminfo.exe PID 4712 wrote to memory of 4436 4712 regsvr32.exe ipconfig.exe PID 4712 wrote to memory of 4436 4712 regsvr32.exe ipconfig.exe PID 4712 wrote to memory of 4552 4712 regsvr32.exe nltest.exe PID 4712 wrote to memory of 4552 4712 regsvr32.exe nltest.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\c08128828cb9e37225f7fbca04e9faa5906b8e2d1e0aad44f7039bec67aa56de.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\IzKvtbIqIISmn\pALqqSwVf.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.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\CNTLRd\cftFb.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\systeminfo.exesysteminfo4⤵
- Gathers system information
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C:\Windows\system32\ipconfig.exeipconfig /all4⤵
- Gathers network information
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C:\Windows\system32\nltest.exenltest /dclist:4⤵
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\soci2.ocxFilesize
847KB
MD515a4143b665933e6ad0b3f2e05f560f4
SHA1c5ee3295dc4680fe2cf7813eca9a9fd576571b7e
SHA25686ce3564f613d87be0b6c26f8fd8f7bba98989f5ca0b9d255d054e8fab41c59e
SHA51291b75cf64768f6494a19a7f0b6ba140e090a6cab9abc3506e9133ff8bac46a3124a90187c9d9158e2d3f016862e27fda325174a0ed2dd1d83e58f93d55ebf72c
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C:\Users\Admin\soci3.ocxFilesize
847KB
MD574354f59e74eabe44abc5e90c6440f24
SHA17f0035e4f5570e6799df1172f85c08978c283c33
SHA256d6e2fcd99571e3fd2384fde9b6b35eebe1552a2be7aeddbc9403e361e4a6e162
SHA51267dfc1a709fcaa8578d6618d0d1df144cde73b332c8deccb3aa2438dbf885687212e106a518b755951d27f7df619e52e7067156f66786567464ea3f2e6c8e5fe
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\Users\Admin\soci2.ocxFilesize
847KB
MD515a4143b665933e6ad0b3f2e05f560f4
SHA1c5ee3295dc4680fe2cf7813eca9a9fd576571b7e
SHA25686ce3564f613d87be0b6c26f8fd8f7bba98989f5ca0b9d255d054e8fab41c59e
SHA51291b75cf64768f6494a19a7f0b6ba140e090a6cab9abc3506e9133ff8bac46a3124a90187c9d9158e2d3f016862e27fda325174a0ed2dd1d83e58f93d55ebf72c
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\Users\Admin\soci3.ocxFilesize
847KB
MD574354f59e74eabe44abc5e90c6440f24
SHA17f0035e4f5570e6799df1172f85c08978c283c33
SHA256d6e2fcd99571e3fd2384fde9b6b35eebe1552a2be7aeddbc9403e361e4a6e162
SHA51267dfc1a709fcaa8578d6618d0d1df144cde73b332c8deccb3aa2438dbf885687212e106a518b755951d27f7df619e52e7067156f66786567464ea3f2e6c8e5fe
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memory/2108-118-0x00007FF899C30000-0x00007FF899C40000-memory.dmpFilesize
64KB
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memory/2108-119-0x00007FF899C30000-0x00007FF899C40000-memory.dmpFilesize
64KB
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memory/2108-120-0x00007FF899C30000-0x00007FF899C40000-memory.dmpFilesize
64KB
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memory/2108-129-0x00007FF8970E0000-0x00007FF8970F0000-memory.dmpFilesize
64KB
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memory/2108-130-0x00007FF8970E0000-0x00007FF8970F0000-memory.dmpFilesize
64KB
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memory/2108-117-0x00007FF899C30000-0x00007FF899C40000-memory.dmpFilesize
64KB
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memory/3200-299-0x0000000000000000-mapping.dmp
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memory/4436-301-0x0000000000000000-mapping.dmp
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memory/4488-287-0x0000000000000000-mapping.dmp
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memory/4552-302-0x0000000000000000-mapping.dmp
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memory/4620-278-0x0000000000000000-mapping.dmp
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memory/4652-286-0x0000000000000000-mapping.dmp
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memory/4712-288-0x0000000000000000-mapping.dmp
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memory/4712-300-0x0000000002460000-0x00000000083C8000-memory.dmpFilesize
95.4MB
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memory/4712-303-0x0000000002460000-0x00000000083C8000-memory.dmpFilesize
95.4MB
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memory/4964-273-0x0000000180000000-0x0000000180030000-memory.dmpFilesize
192KB
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memory/4964-270-0x0000000000000000-mapping.dmp
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memory/4980-269-0x0000000000000000-mapping.dmp