Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10_x64 -
resource
win10-20220223-en -
submitted
28-03-2022 21:51
Behavioral task
behavioral1
Sample
337ee78277daf4f7c28f4a764d468d4e364a6751d2351cbfd0989b4f95bb275d.xls
Resource
win10-20220310-en
General
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Target
337ee78277daf4f7c28f4a764d468d4e364a6751d2351cbfd0989b4f95bb275d.xls
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Size
126KB
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MD5
7fa1b7176ce69d730a2757f2be698a56
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SHA1
21a5f3a1c38f1242a4bfefcbf9627434fae8cf94
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SHA256
337ee78277daf4f7c28f4a764d468d4e364a6751d2351cbfd0989b4f95bb275d
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SHA512
274d05e5b60b0e74b961499d46895a6a95f7a7d0c9adf8484257a0d32bced565c84dcb103f3b26ddef1c575774c4c1507105be0ace42df0c62d3af03eb88bb65
Malware Config
Extracted
http://med.devsrm.com/wp-content/gtOOTHi3zkUbn8U6/
Extracted
emotet
Epoch4
216.120.236.62:8080
189.232.46.161:443
51.91.76.89:8080
217.182.25.250:8080
119.193.124.41:7080
159.8.59.82:8080
195.201.151.129:8080
58.227.42.236:80
212.24.98.99:8080
138.185.72.26:8080
131.100.24.231:80
192.99.251.50:443
158.69.222.101:443
197.242.150.244:8080
50.116.54.215:443
188.44.20.25:443
212.237.17.99:8080
153.126.146.25:7080
103.75.201.2:443
5.9.116.246:8080
185.8.212.130:7080
164.68.99.3:8080
45.118.135.203:7080
107.182.225.142:8080
151.106.112.196:8080
209.126.98.206:8080
79.172.212.216:8080
51.91.7.5:8080
72.15.201.15:8080
196.218.30.83:443
173.212.193.249:8080
82.165.152.127:8080
101.50.0.91:8080
103.43.46.182:443
216.158.226.206:443
167.172.253.162:8080
159.65.88.10:8080
50.30.40.196:8080
129.232.188.93:443
45.176.232.124:443
203.114.109.124:443
167.99.115.35:8080
195.154.133.20:443
51.254.140.238:7080
206.188.212.92:8080
31.24.158.56:8080
178.79.147.66:8080
45.118.115.99:8080
45.142.114.231:8080
185.157.82.211:8080
209.250.246.206:443
189.126.111.200:7080
1.234.21.73:7080
176.104.106.96:8080
201.94.166.162:443
110.232.117.186:8080
146.59.226.45:443
46.55.222.11:443
1.234.2.232:8080
134.122.66.193:8080
176.56.128.118:443
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.
Processes:
regsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2976 1620 regsvr32.exe EXCEL.EXE -
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
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Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 2976 regsvr32.exe -
Drops file in System32 directory 1 IoCs
Processes:
regsvr32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Dywdonfa\gkzs.zvs regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEdescription 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
Processes:
EXCEL.EXEpid process 1620 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 3444 regsvr32.exe 3444 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE 1620 EXCEL.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 1620 wrote to memory of 2976 1620 EXCEL.EXE regsvr32.exe PID 1620 wrote to memory of 2976 1620 EXCEL.EXE regsvr32.exe PID 1620 wrote to memory of 2976 1620 EXCEL.EXE regsvr32.exe PID 2976 wrote to memory of 3444 2976 regsvr32.exe regsvr32.exe PID 2976 wrote to memory of 3444 2976 regsvr32.exe regsvr32.exe PID 2976 wrote to memory of 3444 2976 regsvr32.exe regsvr32.exe
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\337ee78277daf4f7c28f4a764d468d4e364a6751d2351cbfd0989b4f95bb275d.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\fbd.dll2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Dywdonfa\gkzs.zvs"3⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\fbd.dllFilesize
680KB
MD5f3d61cbfa59baf36636c47f6de9c04ef
SHA191ad89b658806cef63ec235824ebb937616cb38b
SHA25659feffad29d70fc373595e18f466d570f197d24d74652b7c2b9329a5204424b6
SHA512f77e9487c19e707052be80c028627beacf650c9c3236c681d7a06b047ad1057b78da9e43e28e9ac870e32588859d11eb51f1e02aef341de7ea65fbd787ae3b80
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\Users\Admin\fbd.dllFilesize
680KB
MD5f3d61cbfa59baf36636c47f6de9c04ef
SHA191ad89b658806cef63ec235824ebb937616cb38b
SHA25659feffad29d70fc373595e18f466d570f197d24d74652b7c2b9329a5204424b6
SHA512f77e9487c19e707052be80c028627beacf650c9c3236c681d7a06b047ad1057b78da9e43e28e9ac870e32588859d11eb51f1e02aef341de7ea65fbd787ae3b80
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memory/1620-115-0x00007FF82C880000-0x00007FF82C890000-memory.dmpFilesize
64KB
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memory/1620-116-0x00007FF82C880000-0x00007FF82C890000-memory.dmpFilesize
64KB
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memory/1620-117-0x00007FF82C880000-0x00007FF82C890000-memory.dmpFilesize
64KB
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memory/1620-118-0x00007FF82C880000-0x00007FF82C890000-memory.dmpFilesize
64KB
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memory/2976-272-0x0000000000000000-mapping.dmp
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memory/3444-279-0x0000000000000000-mapping.dmp
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memory/3444-280-0x00000000033B0000-0x00000000033D4000-memory.dmpFilesize
144KB