Analysis
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max time kernel
138s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 18:30
Static task
static1
Behavioral task
behavioral1
Sample
sample.exe
Resource
win7-20220414-en
General
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Target
sample.exe
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Size
76KB
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MD5
1beba96c4a8b45a9ef8ca520772ebf39
-
SHA1
6b6b00df4ce86eff09174cd57011d60b7ccbc5fb
-
SHA256
ca727f2a2897c5dd2eef2186692a0b04b5f5e04776b4fe6359e0cbe0e59453ae
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SHA512
0a5baadc50d9be7d7a9af237c94a6e0256fccd1a4221d46895a176e1678df2fed50780d8b66c6cbfaca74c6cac8abde47fbcd53d0115662c8ae594387a19f71e
Malware Config
Extracted
emotet
Epoch1
82.163.245.38:80
209.126.6.222:8080
5.153.250.14:8080
186.70.127.199:8090
190.128.173.10:80
190.195.129.227:8090
91.219.169.180:80
45.173.88.33:80
185.33.0.233:80
188.2.217.94:80
207.144.103.227:80
45.161.242.102:80
219.92.13.25:80
190.163.31.26:80
68.183.170.114:8080
191.99.160.58:80
73.213.208.163:80
94.176.234.118:443
104.131.41.185:8080
45.33.77.42:8080
114.109.179.60:80
213.60.96.117:80
41.84.248.134:443
83.169.21.32:7080
82.76.111.249:443
217.199.160.224:7080
80.249.176.206:80
82.196.15.205:8080
204.225.249.100:7080
190.6.193.152:8080
189.2.177.210:443
177.72.13.80:80
24.135.1.177:80
190.115.18.139:8080
192.241.146.84:8080
209.236.123.42:8080
213.176.36.147:8080
5.196.35.138:7080
104.131.103.37:8080
51.159.23.217:443
190.147.137.153:443
149.62.173.247:8080
137.74.106.111:7080
61.92.159.208:8080
177.73.0.98:443
24.135.198.218:80
85.105.140.135:443
187.162.248.237:80
46.28.111.142:7080
116.125.120.88:443
87.106.46.107:8080
212.71.237.140:8080
12.162.84.2:8080
178.79.163.131:8080
111.67.12.221:8080
95.9.180.128:80
192.241.143.52:8080
201.171.150.41:443
24.148.98.177:80
190.190.148.27:8080
186.103.141.250:443
72.47.248.48:7080
68.183.190.199:8080
172.104.169.32:8080
185.94.252.12:80
178.250.54.208:8080
91.222.77.105:80
217.13.106.14:8080
77.90.136.129:8080
2.47.112.152:80
95.180.234.21:80
186.250.52.226:8080
181.129.96.162:8080
77.55.211.77:8080
185.94.252.27:443
174.100.27.229:80
177.74.228.34:80
67.247.242.247:80
95.85.151.205:80
70.32.115.157:8080
89.32.150.160:8080
212.93.117.170:80
50.28.51.143:8080
94.206.45.18:80
202.4.57.96:80
191.182.6.118:80
58.171.153.81:80
143.0.87.101:80
51.255.165.160:8080
70.32.84.74:8080
73.116.193.136:80
170.81.48.2:80
Signatures
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suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M8
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M8
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suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
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Processes:
resource yara_rule behavioral2/memory/1888-130-0x0000000002240000-0x000000000224C000-memory.dmp emotet behavioral2/memory/1888-134-0x0000000002230000-0x0000000002239000-memory.dmp emotet behavioral2/memory/3280-137-0x0000000000950000-0x000000000095C000-memory.dmp emotet -
Executes dropped EXE 1 IoCs
Processes:
AcWinRT.exepid process 3280 AcWinRT.exe -
Drops file in System32 directory 1 IoCs
Processes:
sample.exedescription ioc process File opened for modification C:\Windows\SysWOW64\AppContracts\AcWinRT.exe sample.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
AcWinRT.exepid process 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe 3280 AcWinRT.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sample.exepid process 1888 sample.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
sample.exeAcWinRT.exepid process 1888 sample.exe 1888 sample.exe 3280 AcWinRT.exe 3280 AcWinRT.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
sample.exedescription pid process target process PID 1888 wrote to memory of 3280 1888 sample.exe AcWinRT.exe PID 1888 wrote to memory of 3280 1888 sample.exe AcWinRT.exe PID 1888 wrote to memory of 3280 1888 sample.exe AcWinRT.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\AppContracts\AcWinRT.exe"C:\Windows\SysWOW64\AppContracts\AcWinRT.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\AppContracts\AcWinRT.exeFilesize
76KB
MD51beba96c4a8b45a9ef8ca520772ebf39
SHA16b6b00df4ce86eff09174cd57011d60b7ccbc5fb
SHA256ca727f2a2897c5dd2eef2186692a0b04b5f5e04776b4fe6359e0cbe0e59453ae
SHA5120a5baadc50d9be7d7a9af237c94a6e0256fccd1a4221d46895a176e1678df2fed50780d8b66c6cbfaca74c6cac8abde47fbcd53d0115662c8ae594387a19f71e
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memory/1888-130-0x0000000002240000-0x000000000224C000-memory.dmpFilesize
48KB
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memory/1888-134-0x0000000002230000-0x0000000002239000-memory.dmpFilesize
36KB
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memory/3280-135-0x0000000000000000-mapping.dmp
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memory/3280-137-0x0000000000950000-0x000000000095C000-memory.dmpFilesize
48KB