Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:37
Behavioral task
behavioral1
Sample
8f59861e0e82e3adab8fd3b64f7729cfba1936fc20689a586df36979f7d436d9.xls
Resource
win10-20220414-en
General
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Target
8f59861e0e82e3adab8fd3b64f7729cfba1936fc20689a586df36979f7d436d9.xls
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Size
95KB
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MD5
0fa5e13c225a4e86ed600298c211cf6d
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SHA1
9d6323f1e59abc0c35cbc9cfdf5c811095475847
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SHA256
8f59861e0e82e3adab8fd3b64f7729cfba1936fc20689a586df36979f7d436d9
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SHA512
a842b285b329dac45bbc159307897fe3dcb2b7c829c19dd5a5edea901a7da0733a21fccadf5e1a290e97dd4c150975df6b08f119003b03c40acfbeea9581ffe1
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 3896 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1988 3896 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4340 3896 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 416 3896 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 1988 regsvr32.exe 4340 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 204 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 3896 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exepid process 1988 regsvr32.exe 1988 regsvr32.exe 4340 regsvr32.exe 4340 regsvr32.exe 4388 regsvr32.exe 4388 regsvr32.exe 4388 regsvr32.exe 4388 regsvr32.exe 340 regsvr32.exe 340 regsvr32.exe 340 regsvr32.exe 340 regsvr32.exe 4388 regsvr32.exe 4388 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3896 EXCEL.EXE 3896 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE 3896 EXCEL.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exedescription pid process target process PID 3896 wrote to memory of 8 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 8 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 1988 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 1988 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 4340 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 4340 3896 EXCEL.EXE regsvr32.exe PID 1988 wrote to memory of 4388 1988 regsvr32.exe regsvr32.exe PID 1988 wrote to memory of 4388 1988 regsvr32.exe regsvr32.exe PID 4340 wrote to memory of 340 4340 regsvr32.exe regsvr32.exe PID 4340 wrote to memory of 340 4340 regsvr32.exe regsvr32.exe PID 3896 wrote to memory of 416 3896 EXCEL.EXE regsvr32.exe PID 3896 wrote to memory of 416 3896 EXCEL.EXE regsvr32.exe PID 4388 wrote to memory of 1148 4388 regsvr32.exe systeminfo.exe PID 4388 wrote to memory of 1148 4388 regsvr32.exe systeminfo.exe PID 4388 wrote to memory of 204 4388 regsvr32.exe ipconfig.exe PID 4388 wrote to memory of 204 4388 regsvr32.exe ipconfig.exe PID 4388 wrote to memory of 2572 4388 regsvr32.exe nltest.exe PID 4388 wrote to memory of 2572 4388 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\8f59861e0e82e3adab8fd3b64f7729cfba1936fc20689a586df36979f7d436d9.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\SUKHYObAImZ\yUdhEfxXVOGMNf.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 ..\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\SBsGNXKiaK\trUlJMRHzesEQK.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
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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
MD504558e0b7a9257103f9058d0b1f9767c
SHA15849540afb12b9fe897bb01815ab8c700cab68e8
SHA2569d0410a1cb033529de04383101219b84ca134e72476e34aa4dc4555a8eb47b1e
SHA512ee81a172228dff2f813d2fb53aaa72c41841f305e2343acdda6fb637a261d4660e764b4c3c6a7ecac187e2cf37ad2f08dd357196a8207b68a15c3d1b9197fd32
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C:\Users\Admin\soci3.ocxFilesize
847KB
MD5300c6a390dcc05596a771957522eed43
SHA106ddbc9e95dbc1f1c3eb23f67a24cb990241751b
SHA256879ce9ba637ca8c7f23397eb03c3d984a6bdf68108bb5d55a38b11909311b2ed
SHA5122ce06d9783a768544d928ba5ae2be0cd0e54d0a8d171bcb3faa560076d57a85cfa48b25dcb237126b75472060421902dc9fde701fa456246ab5c85d877aceeaf
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\Users\Admin\soci2.ocxFilesize
847KB
MD504558e0b7a9257103f9058d0b1f9767c
SHA15849540afb12b9fe897bb01815ab8c700cab68e8
SHA2569d0410a1cb033529de04383101219b84ca134e72476e34aa4dc4555a8eb47b1e
SHA512ee81a172228dff2f813d2fb53aaa72c41841f305e2343acdda6fb637a261d4660e764b4c3c6a7ecac187e2cf37ad2f08dd357196a8207b68a15c3d1b9197fd32
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\Users\Admin\soci3.ocxFilesize
847KB
MD5300c6a390dcc05596a771957522eed43
SHA106ddbc9e95dbc1f1c3eb23f67a24cb990241751b
SHA256879ce9ba637ca8c7f23397eb03c3d984a6bdf68108bb5d55a38b11909311b2ed
SHA5122ce06d9783a768544d928ba5ae2be0cd0e54d0a8d171bcb3faa560076d57a85cfa48b25dcb237126b75472060421902dc9fde701fa456246ab5c85d877aceeaf
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memory/8-257-0x0000000000000000-mapping.dmp
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memory/204-292-0x0000000000000000-mapping.dmp
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memory/340-275-0x0000000000000000-mapping.dmp
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memory/416-286-0x0000000000000000-mapping.dmp
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memory/1148-290-0x0000000000000000-mapping.dmp
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memory/1988-261-0x0000000180000000-0x0000000180030000-memory.dmpFilesize
192KB
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memory/1988-258-0x0000000000000000-mapping.dmp
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memory/2572-293-0x0000000000000000-mapping.dmp
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memory/3896-114-0x00007FF837C10000-0x00007FF837C20000-memory.dmpFilesize
64KB
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memory/3896-127-0x00007FF8341A0000-0x00007FF8341B0000-memory.dmpFilesize
64KB
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memory/3896-126-0x00007FF8341A0000-0x00007FF8341B0000-memory.dmpFilesize
64KB
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memory/3896-117-0x00007FF837C10000-0x00007FF837C20000-memory.dmpFilesize
64KB
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memory/3896-116-0x00007FF837C10000-0x00007FF837C20000-memory.dmpFilesize
64KB
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memory/3896-115-0x00007FF837C10000-0x00007FF837C20000-memory.dmpFilesize
64KB
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memory/4340-266-0x0000000000000000-mapping.dmp
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memory/4388-273-0x0000000000000000-mapping.dmp
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memory/4388-291-0x0000000002AC0000-0x0000000008A28000-memory.dmpFilesize
95.4MB
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memory/4388-294-0x0000000002AC0000-0x0000000008A28000-memory.dmpFilesize
95.4MB