Analysis
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max time kernel
100s -
max time network
146s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 03:22
Behavioral task
behavioral1
Sample
a6bb805856b4e8a6da69076e2c59e128e7a5fb4e2fc760872e2e7d2285ea9ede.xls
Resource
win10-20220414-en
General
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Target
a6bb805856b4e8a6da69076e2c59e128e7a5fb4e2fc760872e2e7d2285ea9ede.xls
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Size
95KB
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MD5
acfa1c63acf6f5d184507d6c1b7cb00d
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SHA1
26950afa3266e0cdae735ef7b8bc91ac4de8d463
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SHA256
a6bb805856b4e8a6da69076e2c59e128e7a5fb4e2fc760872e2e7d2285ea9ede
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SHA512
c013d91f0f395843e85dc1def66d1a8b81359b135a7e31f63538b3afaac7b59c92b069125f27269dca85c6b187d169d60e0e62914a5f3a5d8e5fa3b57e2ba1a6
Malware Config
Extracted
http://www.sunflowerlaboratory.in/fonts/79Tq62ly/
http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/
http://agtrade.hu/images/kiQYmOs2tSKq/
https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/
Extracted
emotet
Epoch4
94.23.45.86:4143
209.97.163.214:443
212.24.98.99:8080
103.43.75.120:443
183.111.227.137:8080
197.242.150.244:8080
129.232.188.93:443
159.65.88.10:8080
163.44.196.120:8080
51.161.73.194:443
164.90.222.65:443
159.89.202.34:443
1.234.2.232:8080
150.95.66.124:8080
51.91.76.89:8080
196.218.30.83:443
5.9.116.246:8080
146.59.226.45:443
173.212.193.249:8080
213.241.20.155:443
213.239.212.5:443
207.148.79.14:8080
51.254.140.238:7080
45.235.8.30:8080
147.139.166.154:8080
64.227.100.222:8080
82.165.152.127:8080
172.105.226.75:8080
131.100.24.231:80
206.189.28.199:8080
151.106.112.196:8080
119.193.124.41:7080
45.176.232.124:443
79.137.35.198:8080
186.194.240.217:443
103.70.28.102:8080
159.65.140.115:443
104.168.155.143:8080
45.118.115.99:8080
115.68.227.76:8080
72.15.201.15:8080
144.202.108.116:8080
37.187.115.122:8080
110.232.117.186:8080
209.126.98.206:8080
172.104.251.154:8080
82.223.21.224:8080
101.50.0.91:8080
103.132.242.26:8080
201.94.166.162:443
185.4.135.165:8080
160.16.142.56:8080
107.170.39.149:8080
134.122.66.193:8080
139.59.126.41:443
149.56.131.28:8080
91.207.28.33:8080
164.68.99.3:8080
188.44.20.25:443
103.75.201.2:443
167.172.253.162:8080
158.69.222.101:443
153.126.146.25:7080
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.
Processes:
regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3936 3604 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3484 3604 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 220 3604 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2144 3604 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 3936 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 3604 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 3936 regsvr32.exe 3936 regsvr32.exe 4036 regsvr32.exe 4036 regsvr32.exe 4036 regsvr32.exe 4036 regsvr32.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
EXCEL.EXEpid process 3604 EXCEL.EXE 3604 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE 3604 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 3604 wrote to memory of 3936 3604 EXCEL.EXE regsvr32.exe PID 3604 wrote to memory of 3936 3604 EXCEL.EXE regsvr32.exe PID 3604 wrote to memory of 3484 3604 EXCEL.EXE regsvr32.exe PID 3604 wrote to memory of 3484 3604 EXCEL.EXE regsvr32.exe PID 3936 wrote to memory of 4036 3936 regsvr32.exe regsvr32.exe PID 3936 wrote to memory of 4036 3936 regsvr32.exe regsvr32.exe PID 3604 wrote to memory of 220 3604 EXCEL.EXE regsvr32.exe PID 3604 wrote to memory of 220 3604 EXCEL.EXE regsvr32.exe PID 3604 wrote to memory of 2144 3604 EXCEL.EXE regsvr32.exe PID 3604 wrote to memory of 2144 3604 EXCEL.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\a6bb805856b4e8a6da69076e2c59e128e7a5fb4e2fc760872e2e7d2285ea9ede.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
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci1.ocx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\LQfYPpmugOdzZhF\myvfZDlVknRR.dll"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci2.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci3.ocx2⤵
- Process spawned unexpected child process
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\soci4.ocx2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\soci1.ocxFilesize
312KB
MD5ddaa7039967baeac6ced9b1c16d1ddb9
SHA12062d45c2a1ac70d1492a3ffe860241f0b300900
SHA256538a5ee1e7b2a8fd269a59e9dc5372822ba4ca7334da514603625a319753a173
SHA512c2627aab4d764f7caa951cbdf9233b5e662b336d16a117b043606cb630890b7d38cda5e83731121be29d2050f53c68423031e9a0571ad70743a2c0c30c57654c
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\Users\Admin\soci1.ocxFilesize
312KB
MD5ddaa7039967baeac6ced9b1c16d1ddb9
SHA12062d45c2a1ac70d1492a3ffe860241f0b300900
SHA256538a5ee1e7b2a8fd269a59e9dc5372822ba4ca7334da514603625a319753a173
SHA512c2627aab4d764f7caa951cbdf9233b5e662b336d16a117b043606cb630890b7d38cda5e83731121be29d2050f53c68423031e9a0571ad70743a2c0c30c57654c
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memory/220-290-0x0000000000000000-mapping.dmp
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memory/2144-293-0x0000000000000000-mapping.dmp
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memory/3484-279-0x0000000000000000-mapping.dmp
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memory/3604-316-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmpFilesize
64KB
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memory/3604-128-0x00007FFB70D60000-0x00007FFB70D70000-memory.dmpFilesize
64KB
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memory/3604-129-0x00007FFB70D60000-0x00007FFB70D70000-memory.dmpFilesize
64KB
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memory/3604-119-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmpFilesize
64KB
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memory/3604-118-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmpFilesize
64KB
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memory/3604-117-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmpFilesize
64KB
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memory/3604-318-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmpFilesize
64KB
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memory/3604-317-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmpFilesize
64KB
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memory/3604-116-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmpFilesize
64KB
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memory/3604-315-0x00007FFB73B50000-0x00007FFB73B60000-memory.dmpFilesize
64KB
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memory/3936-266-0x0000000000000000-mapping.dmp
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memory/3936-269-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/4036-280-0x0000000000000000-mapping.dmp