Analysis
- 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, 10:56
Behavioral task
behavioral1
Sample
036cde54fd48f9b47f182385f5b22286816b35bf834a18d741822511f19eb2c4.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
036cde54fd48f9b47f182385f5b22286816b35bf834a18d741822511f19eb2c4.xls
Resource
win10-20220812-en
General
- Target 036cde54fd48f9b47f182385f5b22286816b35bf834a18d741822511f19eb2c4.xls
- Size 91KB
- Sample221110-m17ppahcb4
- SHA256 036cde54fd48f9b47f182385f5b22286816b35bf834a18d741822511f19eb2c4
- MD5 91c614ba62c42acda0e0d252e7ba075c
- SHA1 4aa578ff90297e2a754d340bc48e021cdc896a49
- SHA512 941d1f3abd4c30586158ca1dadfc956ea14a7db93520e27a0b232c07bd1939b4ef73eebbd82f069eff561e7a5646ae524788c275a2d6cdd46e57bddb588c8920
- SSDEEP 1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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xlm4.0
-
xlm40.dropper
https://bosny.com/aspnet_client/R50QIOGjmvVlr/
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xlm40.dropper
http://navylin.com/autopoisonous/4fZQW/
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xlm40.dropper
http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/
-
xlm40.dropper
http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/
Extracted
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emotet
-
Epoch5
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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
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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
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186.250.48.5:443
-
165.22.254.236:8080
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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
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172.105.115.71:8080
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174.138.33.49:7080
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51.75.33.122:443
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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
- 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 4776 1892 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 420 1892 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2368 1892 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2272 1892 regsvr32.exe 66 - Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
pid Process 4776 regsvr32.exe 420 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\EWmjjEMsMT.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\ZPBDQrEvWoMJO\\EWmjjEMsMT.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puPNsD.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\DyzEMZBMcj\\puPNsD.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 1892 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4776 regsvr32.exe 4776 regsvr32.exe 1040 regsvr32.exe 1040 regsvr32.exe 1040 regsvr32.exe 1040 regsvr32.exe 420 regsvr32.exe 420 regsvr32.exe 3304 regsvr32.exe 3304 regsvr32.exe 3304 regsvr32.exe 3304 regsvr32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1892 EXCEL.EXE 1892 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE 1892 EXCEL.EXE - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1892 wrote to memory of 4776 1892 EXCEL.EXE 74 PID 1892 wrote to memory of 4776 1892 EXCEL.EXE 74 PID 4776 wrote to memory of 1040 4776 regsvr32.exe 75 PID 4776 wrote to memory of 1040 4776 regsvr32.exe 75 PID 1892 wrote to memory of 420 1892 EXCEL.EXE 77 PID 1892 wrote to memory of 420 1892 EXCEL.EXE 77 PID 420 wrote to memory of 3304 420 regsvr32.exe 78 PID 420 wrote to memory of 3304 420 regsvr32.exe 78 PID 1892 wrote to memory of 2368 1892 EXCEL.EXE 79 PID 1892 wrote to memory of 2368 1892 EXCEL.EXE 79 PID 1892 wrote to memory of 2272 1892 EXCEL.EXE 80 PID 1892 wrote to memory of 2272 1892 EXCEL.EXE 80
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\036cde54fd48f9b47f182385f5b22286816b35bf834a18d741822511f19eb2c4.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:1892 -
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:4776 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\ZPBDQrEvWoMJO\EWmjjEMsMT.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1040
-
-
-
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:420 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\DyzEMZBMcj\puPNsD.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3304
-
-
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:2368
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:2272
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\elv1.ooocccxxx
- Size 621KB
- SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
- MD5 83b59fb810300c2dbddf3f7d739d25a4
- SHA1 aa67e33414d97d297a3b86871dd6a9275fdb71d1
- SHA512 c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a
- SSDEEP 6144:S6/ptuaN+qWUILr1HRf/9Mu1vHLI7U9XWiLgQ30/bP/09Xls9HV6MExbnyDAzlsH:S6/ptu/qerXtU7U9XaZWYobyDAzl+
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv2.ooocccxxx
- Size 621KB
- SHA256 5ae9ca3c9d45304810d3c3eb599a2e33e749e08984941b119ff0a85b8350dd7a
- MD5 aeb676d2fa1854a89f970736dbb6ebf7
- SHA1 f937c2cd80d116c535113c9a1d85528de0df94ad
- SHA512 9f4d0f94b84f299253a8014f9aef49391363e8a620cfecda87e20974190f24b318dfe48bde6ec09a4d63669655063552a6ed837e0f487cb4a373566684c66884
- SSDEEP 6144:S6/ptuaN+qWUILr1HRf/9Mu1vHLI7U9XWi6gQ30/bP/09Xls9HV6MExbnyDAzlsH:S6/ptu/qerXtU7U9XRZWYobyDAzl+
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\elv1.ooocccxxx
- Size 621KB
- SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
- MD5 83b59fb810300c2dbddf3f7d739d25a4
- SHA1 aa67e33414d97d297a3b86871dd6a9275fdb71d1
- SHA512 c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a
- SSDEEP 6144:S6/ptuaN+qWUILr1HRf/9Mu1vHLI7U9XWiLgQ30/bP/09Xls9HV6MExbnyDAzlsH:S6/ptu/qerXtU7U9XaZWYobyDAzl+
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\elv2.ooocccxxx
- Size 621KB
- SHA256 5ae9ca3c9d45304810d3c3eb599a2e33e749e08984941b119ff0a85b8350dd7a
- MD5 aeb676d2fa1854a89f970736dbb6ebf7
- SHA1 f937c2cd80d116c535113c9a1d85528de0df94ad
- SHA512 9f4d0f94b84f299253a8014f9aef49391363e8a620cfecda87e20974190f24b318dfe48bde6ec09a4d63669655063552a6ed837e0f487cb4a373566684c66884
- SSDEEP 6144:S6/ptuaN+qWUILr1HRf/9Mu1vHLI7U9XWi6gQ30/bP/09Xls9HV6MExbnyDAzlsH:S6/ptu/qerXtU7U9XRZWYobyDAzl+
- MD5 SHA1 SHA512 SSDEEP