Analysis
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max time kernel
101s -
max time network
128s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
10/11/2022, 10:49
Behavioral task
behavioral1
Sample
4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls
Resource
win10-20220812-en
General
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Target
4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls
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Size
91KB
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MD5
dd1beea0d7823a74e2b48fc87bebbd3c
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SHA1
5a35e1827ac3d56fa55bb4c1e55920c77f87686b
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SHA256
4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1
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SHA512
276f49b6df88f274fbc8690826151b0f288d034bc1bda8a963cd69b063136c11a76db9cdd8bb95c850b450a3e2faec39c7efcac93172041bcbc2dc682abeecef
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SSDEEP
1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm
Malware Config
Extracted
https://www.conceptagency.net/css/b8eaKN/
https://bencevendeghaz.hu/2zjoi/cwfKJOzA/
http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/
http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/
Extracted
emotet
Epoch5
202.28.34.99:8080
80.211.107.116:8080
175.126.176.79:8080
218.38.121.17:443
139.196.72.155:8080
103.71.99.57:8080
87.106.97.83:7080
178.62.112.199:8080
64.227.55.231:8080
46.101.98.60:8080
54.37.228.122:443
128.199.217.206:443
190.145.8.4:443
209.239.112.82:8080
85.214.67.203:8080
198.199.70.22:8080
128.199.242.164:8080
178.238.225.252:8080
103.85.95.4:8080
103.126.216.86:443
104.244.79.94:443
36.67.23.59:443
37.44.244.177:8080
160.16.143.191:8080
85.25.120.45:8080
103.56.149.105:8080
210.57.209.142:8080
195.77.239.39:8080
62.171.178.147:8080
118.98.72.86:443
103.224.241.74:8080
185.148.169.10:8080
103.41.204.169:8080
186.250.48.5:443
165.22.254.236:8080
93.104.209.107:8080
139.59.80.108:8080
196.44.98.190:8080
114.79.130.68:443
115.178.55.22:80
103.254.12.236:7080
172.105.115.71:8080
174.138.33.49:7080
51.75.33.122:443
83.229.80.93:8080
78.47.204.80:443
188.165.79.151:443
202.134.4.210:7080
82.98.180.154:7080
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4212 2708 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4724 2708 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 520 2708 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1436 2708 regsvr32.exe 65 -
Downloads MZ/PE file
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Loads dropped DLL 3 IoCs
pid Process 4212 regsvr32.exe 4724 regsvr32.exe 1436 regsvr32.exe -
Adds Run key to start application 2 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FyzKHZTpnwgiWN.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MHSJKdgpBCebF\\FyzKHZTpnwgiWN.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mIGyTHSdbqrR.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\GluDPtjkGts\\mIGyTHSdbqrR.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfAIARf.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\ENBmUCej\\bfAIARf.dll\"" 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 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
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2708 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4212 regsvr32.exe 4212 regsvr32.exe 2924 regsvr32.exe 2924 regsvr32.exe 2924 regsvr32.exe 2924 regsvr32.exe 4724 regsvr32.exe 4724 regsvr32.exe 4564 regsvr32.exe 4564 regsvr32.exe 4564 regsvr32.exe 4564 regsvr32.exe 1436 regsvr32.exe 1436 regsvr32.exe 2304 regsvr32.exe 2304 regsvr32.exe 2304 regsvr32.exe 2304 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE 2708 EXCEL.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2708 wrote to memory of 4212 2708 EXCEL.EXE 69 PID 2708 wrote to memory of 4212 2708 EXCEL.EXE 69 PID 4212 wrote to memory of 2924 4212 regsvr32.exe 73 PID 4212 wrote to memory of 2924 4212 regsvr32.exe 73 PID 2708 wrote to memory of 4724 2708 EXCEL.EXE 74 PID 2708 wrote to memory of 4724 2708 EXCEL.EXE 74 PID 4724 wrote to memory of 4564 4724 regsvr32.exe 75 PID 4724 wrote to memory of 4564 4724 regsvr32.exe 75 PID 2708 wrote to memory of 520 2708 EXCEL.EXE 78 PID 2708 wrote to memory of 520 2708 EXCEL.EXE 78 PID 2708 wrote to memory of 1436 2708 EXCEL.EXE 79 PID 2708 wrote to memory of 1436 2708 EXCEL.EXE 79 PID 1436 wrote to memory of 2304 1436 regsvr32.exe 80 PID 1436 wrote to memory of 2304 1436 regsvr32.exe 80
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\4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\MHSJKdgpBCebF\FyzKHZTpnwgiWN.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2924
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4724 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\GluDPtjkGts\mIGyTHSdbqrR.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4564
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:520
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1436 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\ENBmUCej\bfAIARf.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2304
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
621KB
MD5d3939ddb4bc6489d93abbe27357c343a
SHA1e52999b881200818ea801c44e3c4645f0501f582
SHA256df774d7b5b0f5e44f6047486ff3641e298208621a1f217027c71e0a874a65313
SHA512d3d969c163fdfaee7213741cc8a79ab4685522a53241550c92c17d96577c406e59687eabb79b8d9f070bf98f53822fc0f66e60a08779f47a3eb20cb20ffe108a
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Filesize
621KB
MD5e13fecff6dc982531324cdba4f224d1d
SHA10de9ca7b8770ce588684237d2739d456bc64dade
SHA25678b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0
SHA5120e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b
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Filesize
621KB
MD5367f5a09ff767c1961c5e32ffb7c3df6
SHA1209c1fb954f11624895012663d34a01cf330b161
SHA2568b92d9155e6bb80c94deb9a3d0c623286e3bd4be90b68ac1be3b8d12ad06697a
SHA5124b2317b0c0bef2b2f948d7eccd36c7adced411437519b00e46de8921d3f720103c5b07d1f97dcb0363572d0d3930ae98bcab60812e8d0e8aa680619241585664
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Filesize
621KB
MD5d3939ddb4bc6489d93abbe27357c343a
SHA1e52999b881200818ea801c44e3c4645f0501f582
SHA256df774d7b5b0f5e44f6047486ff3641e298208621a1f217027c71e0a874a65313
SHA512d3d969c163fdfaee7213741cc8a79ab4685522a53241550c92c17d96577c406e59687eabb79b8d9f070bf98f53822fc0f66e60a08779f47a3eb20cb20ffe108a
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Filesize
621KB
MD5e13fecff6dc982531324cdba4f224d1d
SHA10de9ca7b8770ce588684237d2739d456bc64dade
SHA25678b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0
SHA5120e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b
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Filesize
621KB
MD5367f5a09ff767c1961c5e32ffb7c3df6
SHA1209c1fb954f11624895012663d34a01cf330b161
SHA2568b92d9155e6bb80c94deb9a3d0c623286e3bd4be90b68ac1be3b8d12ad06697a
SHA5124b2317b0c0bef2b2f948d7eccd36c7adced411437519b00e46de8921d3f720103c5b07d1f97dcb0363572d0d3930ae98bcab60812e8d0e8aa680619241585664