Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:11
Behavioral task
behavioral1
Sample
f58571ab9a0fbc4ab328bcbe1e84d519c5503b5bdaeb27212b1b7d22c85ffdd9.xls
Resource
win10-20220414-en
General
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Target
f58571ab9a0fbc4ab328bcbe1e84d519c5503b5bdaeb27212b1b7d22c85ffdd9.xls
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Size
95KB
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MD5
5189807bbea9211351a5e3c8b9c1368d
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SHA1
1300d4e102d98cbb614e99cdf257ca770e58faa8
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SHA256
f58571ab9a0fbc4ab328bcbe1e84d519c5503b5bdaeb27212b1b7d22c85ffdd9
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SHA512
a0044aeaeb74470836400f6febf7b947651c3852aec271a502c4d6fe5aeaa59c6522d9372fb4f397aa3691b457468fcde2fd3d779d05bcca2e05f7371d4e4b1e
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 8 2836 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3164 2836 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3892 2836 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 512 2836 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 3164 regsvr32.exe 3892 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 1496 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 2836 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exepid process 3164 regsvr32.exe 3164 regsvr32.exe 4600 regsvr32.exe 4600 regsvr32.exe 4600 regsvr32.exe 4600 regsvr32.exe 3892 regsvr32.exe 3892 regsvr32.exe 1836 regsvr32.exe 1836 regsvr32.exe 1836 regsvr32.exe 1836 regsvr32.exe 1836 regsvr32.exe 1836 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2836 EXCEL.EXE 2836 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE 2836 EXCEL.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exedescription pid process target process PID 2836 wrote to memory of 8 2836 EXCEL.EXE regsvr32.exe PID 2836 wrote to memory of 8 2836 EXCEL.EXE regsvr32.exe PID 2836 wrote to memory of 3164 2836 EXCEL.EXE regsvr32.exe PID 2836 wrote to memory of 3164 2836 EXCEL.EXE regsvr32.exe PID 3164 wrote to memory of 4600 3164 regsvr32.exe regsvr32.exe PID 3164 wrote to memory of 4600 3164 regsvr32.exe regsvr32.exe PID 2836 wrote to memory of 3892 2836 EXCEL.EXE regsvr32.exe PID 2836 wrote to memory of 3892 2836 EXCEL.EXE regsvr32.exe PID 3892 wrote to memory of 1836 3892 regsvr32.exe regsvr32.exe PID 3892 wrote to memory of 1836 3892 regsvr32.exe regsvr32.exe PID 2836 wrote to memory of 512 2836 EXCEL.EXE regsvr32.exe PID 2836 wrote to memory of 512 2836 EXCEL.EXE regsvr32.exe PID 1836 wrote to memory of 1276 1836 regsvr32.exe systeminfo.exe PID 1836 wrote to memory of 1276 1836 regsvr32.exe systeminfo.exe PID 1836 wrote to memory of 1496 1836 regsvr32.exe ipconfig.exe PID 1836 wrote to memory of 1496 1836 regsvr32.exe ipconfig.exe PID 1836 wrote to memory of 164 1836 regsvr32.exe nltest.exe PID 1836 wrote to memory of 164 1836 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\f58571ab9a0fbc4ab328bcbe1e84d519c5503b5bdaeb27212b1b7d22c85ffdd9.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\HxpHgAshKJ\FrYUZbyEFb.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\XMNdQXrmZz\KMQKj.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/8-256-0x0000000000000000-mapping.dmp
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memory/164-292-0x0000000000000000-mapping.dmp
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memory/512-285-0x0000000000000000-mapping.dmp
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memory/1276-289-0x0000000000000000-mapping.dmp
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memory/1496-291-0x0000000000000000-mapping.dmp
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memory/1836-293-0x0000000002A50000-0x00000000089B5000-memory.dmpFilesize
95.4MB
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memory/1836-290-0x0000000002A50000-0x00000000089B5000-memory.dmpFilesize
95.4MB
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memory/1836-279-0x0000000000000000-mapping.dmp
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memory/2836-127-0x00007FFF57AC0000-0x00007FFF57AD0000-memory.dmpFilesize
64KB
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memory/2836-114-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmpFilesize
64KB
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memory/2836-126-0x00007FFF57AC0000-0x00007FFF57AD0000-memory.dmpFilesize
64KB
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memory/2836-117-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmpFilesize
64KB
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memory/2836-116-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmpFilesize
64KB
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memory/2836-115-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmpFilesize
64KB
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memory/3164-260-0x0000000180000000-0x0000000180030000-memory.dmpFilesize
192KB
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memory/3164-257-0x0000000000000000-mapping.dmp
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memory/3892-266-0x0000000000000000-mapping.dmp
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memory/4600-265-0x0000000000000000-mapping.dmp