Analysis
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max time kernel
145s -
max time network
147s -
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, 10:53
Behavioral task
behavioral1
Sample
26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.xls
Resource
win10-20220812-en
General
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Target
26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.xls
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Size
91KB
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MD5
ce1499c2c4e3c2604d9bbbbed376ff10
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SHA1
3109fbd455cde1a8d6d2b6725999314214e6a913
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SHA256
26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5
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SHA512
db31606d728d1d2b1d615138a3f3092b935d559a77402902a6d0160f68cde58926641e1b987403d270534fdfcebeadfb6ee143bd00d1e5698bfacb395c3d491f
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SSDEEP
1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO
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 4876 3812 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1848 3812 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1636 3812 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 428 3812 regsvr32.exe 65 -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 4876 regsvr32.exe 1848 regsvr32.exe -
Adds Run key to start application 2 TTPs 2 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\DbdK.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\RNWzCM\\DbdK.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 3812 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4876 regsvr32.exe 4876 regsvr32.exe 4768 regsvr32.exe 4768 regsvr32.exe 4768 regsvr32.exe 4768 regsvr32.exe 1848 regsvr32.exe 1848 regsvr32.exe 1804 regsvr32.exe 1804 regsvr32.exe 1804 regsvr32.exe 1804 regsvr32.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE 3812 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3812 wrote to memory of 4876 3812 EXCEL.EXE 74 PID 3812 wrote to memory of 4876 3812 EXCEL.EXE 74 PID 4876 wrote to memory of 4768 4876 regsvr32.exe 75 PID 4876 wrote to memory of 4768 4876 regsvr32.exe 75 PID 3812 wrote to memory of 1848 3812 EXCEL.EXE 76 PID 3812 wrote to memory of 1848 3812 EXCEL.EXE 76 PID 1848 wrote to memory of 1804 1848 regsvr32.exe 77 PID 1848 wrote to memory of 1804 1848 regsvr32.exe 77 PID 3812 wrote to memory of 1636 3812 EXCEL.EXE 78 PID 3812 wrote to memory of 1636 3812 EXCEL.EXE 78 PID 3812 wrote to memory of 428 3812 EXCEL.EXE 79 PID 3812 wrote to memory of 428 3812 EXCEL.EXE 79
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\26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3812 -
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:4876 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\RNWzCM\DbdK.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4768
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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:1848 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\AgxqYxUSRHqeYZ\EywmtMqXEEyZjSLu.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1804
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:1636
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:428
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
621KB
MD583b59fb810300c2dbddf3f7d739d25a4
SHA1aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA2566b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a
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Filesize
621KB
MD564ef5cf1771ab08a49f3d94a54c55719
SHA1e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f
SHA25635176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
SHA5125c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859
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Filesize
621KB
MD583b59fb810300c2dbddf3f7d739d25a4
SHA1aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA2566b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a
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Filesize
621KB
MD564ef5cf1771ab08a49f3d94a54c55719
SHA1e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f
SHA25635176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
SHA5125c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859