Analysis
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max time kernel
144s -
max time network
143s -
platform
windows10_x64 -
resource
win10-20220223-en -
submitted
30-03-2022 18:19
Behavioral task
behavioral1
Sample
8a6effb1430c591fa0e6e8ac6f84b1991bf8cc18f70a432ae63e6bda131914c6.xls
Resource
win10-20220223-en
General
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Target
8a6effb1430c591fa0e6e8ac6f84b1991bf8cc18f70a432ae63e6bda131914c6.xls
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Size
106KB
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MD5
68e856165288a9bc99a681304b30d552
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SHA1
c792461f287fc531967f0f56910b22263e597311
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SHA256
8a6effb1430c591fa0e6e8ac6f84b1991bf8cc18f70a432ae63e6bda131914c6
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SHA512
23ce7caa40df79663659a898129f25797946a1fe1ded6b970a2b1ef46a43061001d9c341be398be82b1265e7a78ae1251f9197668e008019ecb60ab95ffa7493
Malware Config
Extracted
https://www.gessersh.com/wp-includes/ZwQLepW/
Extracted
emotet
Epoch4
104.131.11.205:443
138.197.109.175:8080
187.84.80.182:443
79.143.187.147:443
189.232.46.161:443
51.91.76.89:8080
103.43.46.182:443
206.189.28.199:8080
45.176.232.124:443
107.182.225.142:8080
72.15.201.15:8080
209.250.246.206:443
164.68.99.3:8080
160.16.142.56:8080
134.122.66.193:8080
45.118.115.99:8080
183.111.227.137:8080
209.126.98.206:8080
1.234.2.232:8080
159.65.88.10:8080
5.9.116.246:8080
82.165.152.127:8080
197.242.150.244:8080
212.24.98.99:8080
185.8.212.130:7080
51.254.140.238:7080
119.193.124.41:7080
103.132.242.26:8080
50.30.40.196:8080
188.44.20.25:443
101.50.0.91:8080
167.172.253.162:8080
185.157.82.211:8080
167.99.115.35:8080
196.218.30.83:443
216.158.226.206:443
176.56.128.118:443
146.59.226.45:443
212.237.17.99:8080
129.232.188.93:443
173.212.193.249:8080
189.126.111.200:7080
103.70.28.102:8080
46.55.222.11:443
158.69.222.101:443
79.172.212.216:8080
151.106.112.196:8080
192.99.251.50:443
103.75.201.2:443
51.91.7.5:8080
1.234.21.73:7080
58.227.42.236:80
153.126.146.25:7080
201.94.166.162:443
172.104.251.154:8080
110.232.117.186:8080
159.8.59.82:8080
176.104.106.96:8080
203.114.109.124:443
131.100.24.231:80
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3968 2564 regsvr32.exe 41 -
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Loads dropped DLL 1 IoCs
pid Process 3968 regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Jfjaxaxb\hsaobjxhza.qor regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2564 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3816 regsvr32.exe 3816 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2564 EXCEL.EXE 2564 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE 2564 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2564 wrote to memory of 3968 2564 EXCEL.EXE 43 PID 2564 wrote to memory of 3968 2564 EXCEL.EXE 43 PID 2564 wrote to memory of 3968 2564 EXCEL.EXE 43 PID 3968 wrote to memory of 3816 3968 regsvr32.exe 44 PID 3968 wrote to memory of 3816 3968 regsvr32.exe 44 PID 3968 wrote to memory of 3816 3968 regsvr32.exe 44
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\8a6effb1430c591fa0e6e8ac6f84b1991bf8cc18f70a432ae63e6bda131914c6.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
PID:2564 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\urtj.dll2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3968 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Jfjaxaxb\hsaobjxhza.qor"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3816
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
380KB
MD513fdb3880c80885036f59af7b992df47
SHA1c71a4d67d20a2aba92b4e1889acb88228ab23cf6
SHA256d9c136ef639aa80630d615a56aff40190d3639bb166e6c2b46a72895a057b440
SHA5126cfba51a8c95b016968ccaf446a8740293b6ab225fdc71b949d53475a0beb117902e1c0018727b70d381ac4af19443acff286adaa035981f01e964f349489e89
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Filesize
380KB
MD513fdb3880c80885036f59af7b992df47
SHA1c71a4d67d20a2aba92b4e1889acb88228ab23cf6
SHA256d9c136ef639aa80630d615a56aff40190d3639bb166e6c2b46a72895a057b440
SHA5126cfba51a8c95b016968ccaf446a8740293b6ab225fdc71b949d53475a0beb117902e1c0018727b70d381ac4af19443acff286adaa035981f01e964f349489e89