Analysis
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max time kernel
146s -
max time network
151s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
10/11/2022, 10:35
Behavioral task
behavioral1
Sample
f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea.xls
Resource
win10-20220901-en
General
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Target
f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea.xls
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Size
91KB
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MD5
2cbfc0bcbf7b64731ba0a7340aa8e177
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SHA1
4f19b1888b7b601bfb2a1224562dbfed9eaf394b
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SHA256
f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea
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SHA512
23924ea2da27846aa9f6dc629df6e182cec493848574327b9d5a771bb0078996a689db99726a87d591cb40a843d0e6a3dbaf5f5606adfba2273df9d9672defcc
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SSDEEP
1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG
Malware Config
Extracted
https://bosny.com/aspnet_client/R50QIOGjmvVlr/
http://navylin.com/autopoisonous/4fZQW/
http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/
http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/
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 4420 4528 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 524 4528 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4760 4528 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4780 4528 regsvr32.exe 65 -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 4420 regsvr32.exe 524 regsvr32.exe -
Adds Run key to start application 2 TTPs 4 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\ViJh.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\JNWNzFpeJvLk\\ViJh.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SkXEHR.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\UaAsbZ\\SkXEHR.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 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 4528 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4420 regsvr32.exe 4420 regsvr32.exe 4520 regsvr32.exe 4520 regsvr32.exe 4520 regsvr32.exe 4520 regsvr32.exe 524 regsvr32.exe 524 regsvr32.exe 4588 regsvr32.exe 4588 regsvr32.exe 4588 regsvr32.exe 4588 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4528 EXCEL.EXE 4528 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE 4528 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4528 wrote to memory of 4420 4528 EXCEL.EXE 69 PID 4528 wrote to memory of 4420 4528 EXCEL.EXE 69 PID 4420 wrote to memory of 4520 4420 regsvr32.exe 70 PID 4420 wrote to memory of 4520 4420 regsvr32.exe 70 PID 4528 wrote to memory of 524 4528 EXCEL.EXE 71 PID 4528 wrote to memory of 524 4528 EXCEL.EXE 71 PID 524 wrote to memory of 4588 524 regsvr32.exe 72 PID 524 wrote to memory of 4588 524 regsvr32.exe 72 PID 4528 wrote to memory of 4760 4528 EXCEL.EXE 73 PID 4528 wrote to memory of 4760 4528 EXCEL.EXE 73 PID 4528 wrote to memory of 4780 4528 EXCEL.EXE 74 PID 4528 wrote to memory of 4780 4528 EXCEL.EXE 74
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\f121a237d7a7ba8a02e7fb76bbc67ac5f09cc0d4621f0b668c72702d9d42c2ea.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:4528 -
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:4420 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\JNWNzFpeJvLk\ViJh.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4520
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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:524 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\UaAsbZ\SkXEHR.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4588
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4760
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:4780
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
621KB
MD5871ea9a8e1604e3cfc16dd15a61294fa
SHA12139e23aa41026d93489d3849a5229dc0cfb1bad
SHA25612fefee2092330f9c0d9e6b30141cbb41c44aa39fbbbe8cdfca9b98b3069881d
SHA51261b2b91af02dad955630c64ca9200feca20293af14bd25b9d4d7109dd9662aaed0981ea93cf298c93ef5e2c19d393e67f308464c59deaabd7e254d05091b780a
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Filesize
621KB
MD54e8c394222a8ad3a013d41781d24070f
SHA184598e96917e7413baaa8906b4da8310360a41e5
SHA2561a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6
SHA51259b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32
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Filesize
621KB
MD5871ea9a8e1604e3cfc16dd15a61294fa
SHA12139e23aa41026d93489d3849a5229dc0cfb1bad
SHA25612fefee2092330f9c0d9e6b30141cbb41c44aa39fbbbe8cdfca9b98b3069881d
SHA51261b2b91af02dad955630c64ca9200feca20293af14bd25b9d4d7109dd9662aaed0981ea93cf298c93ef5e2c19d393e67f308464c59deaabd7e254d05091b780a
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Filesize
621KB
MD54e8c394222a8ad3a013d41781d24070f
SHA184598e96917e7413baaa8906b4da8310360a41e5
SHA2561a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6
SHA51259b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32