Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:04
Behavioral task
behavioral1
Sample
8215fdd4e0d11a1246ce225c58edeb6bd61c087755d937a039c196914fd4d304.xls
Resource
win10-20220414-en
General
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Target
8215fdd4e0d11a1246ce225c58edeb6bd61c087755d937a039c196914fd4d304.xls
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Size
95KB
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MD5
953d3007f13082c669f37fd8fd642b4c
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SHA1
eb161037aaa5c25639f08e642597e8023821efc7
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SHA256
8215fdd4e0d11a1246ce225c58edeb6bd61c087755d937a039c196914fd4d304
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SHA512
e0241735a034f438899d0d0e856d2de31932d46780261253291cdbcc508ec454f68b89ba4720f42712175c2e65a63acfd59eb7036bd7d599fc31c14be9974123
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 3856 4320 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4084 4320 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 388 4320 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1388 4320 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 4084 regsvr32.exe 388 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 2504 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 4320 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exepid process 4084 regsvr32.exe 4084 regsvr32.exe 4312 regsvr32.exe 4312 regsvr32.exe 4312 regsvr32.exe 4312 regsvr32.exe 388 regsvr32.exe 388 regsvr32.exe 528 regsvr32.exe 528 regsvr32.exe 528 regsvr32.exe 528 regsvr32.exe 528 regsvr32.exe 528 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 4320 EXCEL.EXE 4320 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE 4320 EXCEL.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exedescription pid process target process PID 4320 wrote to memory of 3856 4320 EXCEL.EXE regsvr32.exe PID 4320 wrote to memory of 3856 4320 EXCEL.EXE regsvr32.exe PID 4320 wrote to memory of 4084 4320 EXCEL.EXE regsvr32.exe PID 4320 wrote to memory of 4084 4320 EXCEL.EXE regsvr32.exe PID 4084 wrote to memory of 4312 4084 regsvr32.exe regsvr32.exe PID 4084 wrote to memory of 4312 4084 regsvr32.exe regsvr32.exe PID 4320 wrote to memory of 388 4320 EXCEL.EXE regsvr32.exe PID 4320 wrote to memory of 388 4320 EXCEL.EXE regsvr32.exe PID 388 wrote to memory of 528 388 regsvr32.exe regsvr32.exe PID 388 wrote to memory of 528 388 regsvr32.exe regsvr32.exe PID 4320 wrote to memory of 1388 4320 EXCEL.EXE regsvr32.exe PID 4320 wrote to memory of 1388 4320 EXCEL.EXE regsvr32.exe PID 528 wrote to memory of 2552 528 regsvr32.exe systeminfo.exe PID 528 wrote to memory of 2552 528 regsvr32.exe systeminfo.exe PID 528 wrote to memory of 2504 528 regsvr32.exe ipconfig.exe PID 528 wrote to memory of 2504 528 regsvr32.exe ipconfig.exe PID 528 wrote to memory of 1516 528 regsvr32.exe nltest.exe PID 528 wrote to memory of 1516 528 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\8215fdd4e0d11a1246ce225c58edeb6bd61c087755d937a039c196914fd4d304.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\AfNzhiIZZHKg\ujlepV.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\YkywxWkPwyN\OpAzrmnLRu.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
MD5f8ce868d48aa4e78d021b589b677b1fd
SHA11c9dbe8f91fd696e42ac8698f238e9d47078163d
SHA256bba5835b04540cc0ebc077755ff25d0adb2849d7ff55ce035a6f6e674a992723
SHA5128963c64d9899297bc4920ef2cab9e5686f768cb7fd362a5e0a3fe7ab52427637f27b51257210c4711d7d09e2ccde1edffd797955d66a64865b9eb614daeda943
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C:\Users\Admin\soci3.ocxFilesize
847KB
MD55e07d8a8c5f9efed5a8b204b5e850c72
SHA15ff8e145c8a0166afc26bcb0449e3a24a50bdf97
SHA256b5b049223e6f90dbda01c6f4f8d39758b33f2c08c46b0261dac504d871e63251
SHA512bb9d932dada3a3353e1c3d76bca110ef247e36bbf2aea0be17ad3351998ec647eefa1104ad65580314500e5e896ed23884c62055e9b9348a8af1145d17665a6e
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\Users\Admin\soci2.ocxFilesize
847KB
MD5f8ce868d48aa4e78d021b589b677b1fd
SHA11c9dbe8f91fd696e42ac8698f238e9d47078163d
SHA256bba5835b04540cc0ebc077755ff25d0adb2849d7ff55ce035a6f6e674a992723
SHA5128963c64d9899297bc4920ef2cab9e5686f768cb7fd362a5e0a3fe7ab52427637f27b51257210c4711d7d09e2ccde1edffd797955d66a64865b9eb614daeda943
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\Users\Admin\soci3.ocxFilesize
847KB
MD55e07d8a8c5f9efed5a8b204b5e850c72
SHA15ff8e145c8a0166afc26bcb0449e3a24a50bdf97
SHA256b5b049223e6f90dbda01c6f4f8d39758b33f2c08c46b0261dac504d871e63251
SHA512bb9d932dada3a3353e1c3d76bca110ef247e36bbf2aea0be17ad3351998ec647eefa1104ad65580314500e5e896ed23884c62055e9b9348a8af1145d17665a6e
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memory/388-270-0x0000000000000000-mapping.dmp
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memory/528-278-0x0000000000000000-mapping.dmp
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memory/528-292-0x00000000021D0000-0x0000000008134000-memory.dmpFilesize
95.4MB
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memory/528-289-0x00000000021D0000-0x0000000008134000-memory.dmpFilesize
95.4MB
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memory/1388-281-0x0000000000000000-mapping.dmp
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memory/1516-291-0x0000000000000000-mapping.dmp
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memory/2504-290-0x0000000000000000-mapping.dmp
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memory/2552-288-0x0000000000000000-mapping.dmp
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memory/3856-253-0x0000000000000000-mapping.dmp
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memory/4084-257-0x0000000180000000-0x0000000180030000-memory.dmpFilesize
192KB
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memory/4084-254-0x0000000000000000-mapping.dmp
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memory/4312-262-0x0000000000000000-mapping.dmp
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memory/4320-114-0x00007FFB4B430000-0x00007FFB4B440000-memory.dmpFilesize
64KB
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memory/4320-127-0x00007FFB47930000-0x00007FFB47940000-memory.dmpFilesize
64KB
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memory/4320-126-0x00007FFB47930000-0x00007FFB47940000-memory.dmpFilesize
64KB
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memory/4320-117-0x00007FFB4B430000-0x00007FFB4B440000-memory.dmpFilesize
64KB
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memory/4320-116-0x00007FFB4B430000-0x00007FFB4B440000-memory.dmpFilesize
64KB
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memory/4320-115-0x00007FFB4B430000-0x00007FFB4B440000-memory.dmpFilesize
64KB