Analysis
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max time kernel
148s -
max time network
146s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
07-07-2022 04:30
Behavioral task
behavioral1
Sample
def2188d075bfec41668ea744960575ba6d9f0f1bc8ce769080e03b4fa9443a5.xls
Resource
win10-20220414-en
General
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Target
def2188d075bfec41668ea744960575ba6d9f0f1bc8ce769080e03b4fa9443a5.xls
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Size
95KB
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MD5
7c1a5668cc82c7b864970cc4b19ce254
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SHA1
1a4192a415beeadf240174ce504adda9fac15f28
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SHA256
def2188d075bfec41668ea744960575ba6d9f0f1bc8ce769080e03b4fa9443a5
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SHA512
a0ae4f6db2590be936a403197fd1ca69447c2bacc3d19600fe4df08aa4469a6a62efe501cc658b1f481b37e72cf9db5dc10917e6e9a33b920384aafc0e759494
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 4032 2492 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4952 2492 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3076 2492 regsvr32.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4572 2492 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 4032 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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2492 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4032 regsvr32.exe 4032 regsvr32.exe 4908 regsvr32.exe 4908 regsvr32.exe 4908 regsvr32.exe 4908 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE 2492 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEregsvr32.exedescription pid process target process PID 2492 wrote to memory of 4032 2492 EXCEL.EXE regsvr32.exe PID 2492 wrote to memory of 4032 2492 EXCEL.EXE regsvr32.exe PID 2492 wrote to memory of 4952 2492 EXCEL.EXE regsvr32.exe PID 2492 wrote to memory of 4952 2492 EXCEL.EXE regsvr32.exe PID 4032 wrote to memory of 4908 4032 regsvr32.exe regsvr32.exe PID 4032 wrote to memory of 4908 4032 regsvr32.exe regsvr32.exe PID 2492 wrote to memory of 3076 2492 EXCEL.EXE regsvr32.exe PID 2492 wrote to memory of 3076 2492 EXCEL.EXE regsvr32.exe PID 2492 wrote to memory of 4572 2492 EXCEL.EXE regsvr32.exe PID 2492 wrote to memory of 4572 2492 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\def2188d075bfec41668ea744960575ba6d9f0f1bc8ce769080e03b4fa9443a5.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\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\CLYRuB\gaUiNNVlGX.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
MD589759d4422b702140db9cb43bf9c5d9c
SHA1cc7d2f905038c412d9b6e3a96f25d3a589f11a09
SHA256b8f33aba8ebf8da37b2a05b98cbbc4e0dd8a197e510f2280fa57dc6cf91be595
SHA512455ab63d09f44695000bbe7231cb528cfed7a745686e63c1467a9c200b0b0a23178d1d0ab0141091fdcd76b8db312350313b383c8650f5d61e44aed841f8f2bd
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\Users\Admin\soci1.ocxFilesize
312KB
MD589759d4422b702140db9cb43bf9c5d9c
SHA1cc7d2f905038c412d9b6e3a96f25d3a589f11a09
SHA256b8f33aba8ebf8da37b2a05b98cbbc4e0dd8a197e510f2280fa57dc6cf91be595
SHA512455ab63d09f44695000bbe7231cb528cfed7a745686e63c1467a9c200b0b0a23178d1d0ab0141091fdcd76b8db312350313b383c8650f5d61e44aed841f8f2bd
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memory/2492-119-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmpFilesize
64KB
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memory/2492-120-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmpFilesize
64KB
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memory/2492-121-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmpFilesize
64KB
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memory/2492-130-0x00007FFACF730000-0x00007FFACF740000-memory.dmpFilesize
64KB
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memory/2492-131-0x00007FFACF730000-0x00007FFACF740000-memory.dmpFilesize
64KB
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memory/2492-118-0x00007FFAD2660000-0x00007FFAD2670000-memory.dmpFilesize
64KB
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memory/3076-280-0x0000000000000000-mapping.dmp
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memory/4032-260-0x0000000000000000-mapping.dmp
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memory/4032-263-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB
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memory/4572-285-0x0000000000000000-mapping.dmp
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memory/4908-274-0x0000000000000000-mapping.dmp
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memory/4952-273-0x0000000000000000-mapping.dmp