Analysis
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max time kernel
147s -
max time network
153s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:47
Behavioral task
behavioral1
Sample
5da9c8a84450fc5028158973a9145286070bc68ec5c4b730a15552c1bad51796.xls
Resource
win10-20220414-en
General
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Target
5da9c8a84450fc5028158973a9145286070bc68ec5c4b730a15552c1bad51796.xls
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Size
95KB
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MD5
21dd9c799e9293711076fba4673cc60b
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SHA1
a421b26d88be60d8c4063f9e00e595c02eb8ce6b
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SHA256
5da9c8a84450fc5028158973a9145286070bc68ec5c4b730a15552c1bad51796
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SHA512
c2b79cfa17734fa770913818cf673e20cbd16998dc167ba795e8dd39de1420376d61ea038b68d906a292f051b044a9855d24992c27b62482cbbe4080fa3ad24f
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 4260 2856 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4068 2856 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4292 2856 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 500 2856 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 4068 regsvr32.exe 4292 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 1600 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 2856 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exepid process 4068 regsvr32.exe 4068 regsvr32.exe 4404 regsvr32.exe 4404 regsvr32.exe 4404 regsvr32.exe 4404 regsvr32.exe 4292 regsvr32.exe 4292 regsvr32.exe 4272 regsvr32.exe 4272 regsvr32.exe 4272 regsvr32.exe 4272 regsvr32.exe 4272 regsvr32.exe 4272 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 2856 EXCEL.EXE 2856 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE 2856 EXCEL.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exedescription pid process target process PID 2856 wrote to memory of 4260 2856 EXCEL.EXE regsvr32.exe PID 2856 wrote to memory of 4260 2856 EXCEL.EXE regsvr32.exe PID 2856 wrote to memory of 4068 2856 EXCEL.EXE regsvr32.exe PID 2856 wrote to memory of 4068 2856 EXCEL.EXE regsvr32.exe PID 4068 wrote to memory of 4404 4068 regsvr32.exe regsvr32.exe PID 4068 wrote to memory of 4404 4068 regsvr32.exe regsvr32.exe PID 2856 wrote to memory of 4292 2856 EXCEL.EXE regsvr32.exe PID 2856 wrote to memory of 4292 2856 EXCEL.EXE regsvr32.exe PID 4292 wrote to memory of 4272 4292 regsvr32.exe regsvr32.exe PID 4292 wrote to memory of 4272 4292 regsvr32.exe regsvr32.exe PID 2856 wrote to memory of 500 2856 EXCEL.EXE regsvr32.exe PID 2856 wrote to memory of 500 2856 EXCEL.EXE regsvr32.exe PID 4272 wrote to memory of 848 4272 regsvr32.exe systeminfo.exe PID 4272 wrote to memory of 848 4272 regsvr32.exe systeminfo.exe PID 4272 wrote to memory of 1600 4272 regsvr32.exe ipconfig.exe PID 4272 wrote to memory of 1600 4272 regsvr32.exe ipconfig.exe PID 4272 wrote to memory of 196 4272 regsvr32.exe nltest.exe PID 4272 wrote to memory of 196 4272 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\5da9c8a84450fc5028158973a9145286070bc68ec5c4b730a15552c1bad51796.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\JQavsTQUZ\nOYRoFP.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\YPgxnIHUoEhL\eLgerSrmH.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
MD5166902934791f9ca01d6d729c40acea4
SHA12530a468a74bb4bda8d32987374b6a29e17b445f
SHA2564e3683f3c16aa815147c5ee87e3baf4464606dad05125a9e4158b60bcbd1984a
SHA5127d83648f78800061e0d55c1ce6432058c9cf541beec359fd6ac825f7ea936e7816b4d06f426a07c6da761599ef5142be5899ba6b404238c193a310a712e2e2e7
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C:\Users\Admin\soci3.ocxFilesize
847KB
MD5acf8f01050571813860337f5c67df031
SHA151fd097219f171f608915f39a6b26a25a9d2ce83
SHA25682fa9b503d3414d20a6883bb24bdc333853c41a162673e0974987d5f7745ebb6
SHA5129dfbcec3a39d855f36de579c7cfc5f9e1ea6daf7c7b8851491bcd8bf486077dcb8cb0831faf8730e036cc927b177b1e850ceb692a245fbc5f1668e227c9e63b1
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\Users\Admin\soci2.ocxFilesize
847KB
MD5166902934791f9ca01d6d729c40acea4
SHA12530a468a74bb4bda8d32987374b6a29e17b445f
SHA2564e3683f3c16aa815147c5ee87e3baf4464606dad05125a9e4158b60bcbd1984a
SHA5127d83648f78800061e0d55c1ce6432058c9cf541beec359fd6ac825f7ea936e7816b4d06f426a07c6da761599ef5142be5899ba6b404238c193a310a712e2e2e7
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\Users\Admin\soci3.ocxFilesize
847KB
MD5acf8f01050571813860337f5c67df031
SHA151fd097219f171f608915f39a6b26a25a9d2ce83
SHA25682fa9b503d3414d20a6883bb24bdc333853c41a162673e0974987d5f7745ebb6
SHA5129dfbcec3a39d855f36de579c7cfc5f9e1ea6daf7c7b8851491bcd8bf486077dcb8cb0831faf8730e036cc927b177b1e850ceb692a245fbc5f1668e227c9e63b1
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memory/196-293-0x0000000000000000-mapping.dmp
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memory/500-285-0x0000000000000000-mapping.dmp
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memory/848-290-0x0000000000000000-mapping.dmp
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memory/1600-292-0x0000000000000000-mapping.dmp
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memory/2856-127-0x00007FFF57AC0000-0x00007FFF57AD0000-memory.dmpFilesize
64KB
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memory/2856-126-0x00007FFF57AC0000-0x00007FFF57AD0000-memory.dmpFilesize
64KB
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memory/2856-117-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmpFilesize
64KB
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memory/2856-116-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmpFilesize
64KB
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memory/2856-114-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmpFilesize
64KB
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memory/2856-115-0x00007FFF5B630000-0x00007FFF5B640000-memory.dmpFilesize
64KB
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memory/4068-261-0x0000000180000000-0x0000000180030000-memory.dmpFilesize
192KB
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memory/4068-258-0x0000000000000000-mapping.dmp
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memory/4260-257-0x0000000000000000-mapping.dmp
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memory/4272-280-0x0000000000000000-mapping.dmp
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memory/4272-291-0x00000000028C0000-0x0000000008821000-memory.dmpFilesize
95.4MB
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memory/4272-294-0x00000000028C0000-0x0000000008821000-memory.dmpFilesize
95.4MB
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memory/4292-272-0x0000000000000000-mapping.dmp
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memory/4404-266-0x0000000000000000-mapping.dmp