Analysis
-
max time kernel
127s -
max time network
145s -
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
-
Target
sample.exe
-
Size
76KB
-
MD5
cbe2b892a2f25a4b7794af02cdc8e9cf
-
SHA1
00f86e18786effa8c2bc7701cf67d856daa14bfb
-
SHA256
a38f4dce6392ce5f7063f26aa4188738d1b4743881d198908d20faae1be5c460
-
SHA512
8cabc83a49fe9b3bc2cec0d7a8bd9a366cf9c74774bef5a8c10346fad9a10da76c6a4b37ad4933408933e0cdd49a6fccd93e8c729640480ce8f65d5e65f8fa0e
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
-
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M8
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M8
-
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
suricata: ET MALWARE Win32/Emotet CnC Activity (POST) M9
-
Processes:
resource yara_rule behavioral2/memory/2496-130-0x0000000002330000-0x000000000233C000-memory.dmp emotet behavioral2/memory/2496-134-0x0000000002320000-0x0000000002329000-memory.dmp emotet behavioral2/memory/3296-137-0x0000000002240000-0x000000000224C000-memory.dmp emotet -
Executes dropped EXE 1 IoCs
Processes:
unenrollhook.exepid process 3296 unenrollhook.exe -
Drops file in System32 directory 1 IoCs
Processes:
sample.exedescription ioc process File opened for modification C:\Windows\SysWOW64\esevss\unenrollhook.exe sample.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
unenrollhook.exepid process 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe 3296 unenrollhook.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sample.exepid process 2496 sample.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
sample.exeunenrollhook.exepid process 2496 sample.exe 2496 sample.exe 3296 unenrollhook.exe 3296 unenrollhook.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
sample.exedescription pid process target process PID 2496 wrote to memory of 3296 2496 sample.exe unenrollhook.exe PID 2496 wrote to memory of 3296 2496 sample.exe unenrollhook.exe PID 2496 wrote to memory of 3296 2496 sample.exe unenrollhook.exe
Processes
-
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
-
C:\Windows\SysWOW64\esevss\unenrollhook.exe"C:\Windows\SysWOW64\esevss\unenrollhook.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Windows\SysWOW64\esevss\unenrollhook.exeFilesize
76KB
MD5cbe2b892a2f25a4b7794af02cdc8e9cf
SHA100f86e18786effa8c2bc7701cf67d856daa14bfb
SHA256a38f4dce6392ce5f7063f26aa4188738d1b4743881d198908d20faae1be5c460
SHA5128cabc83a49fe9b3bc2cec0d7a8bd9a366cf9c74774bef5a8c10346fad9a10da76c6a4b37ad4933408933e0cdd49a6fccd93e8c729640480ce8f65d5e65f8fa0e
-
memory/2496-130-0x0000000002330000-0x000000000233C000-memory.dmpFilesize
48KB
-
memory/2496-134-0x0000000002320000-0x0000000002329000-memory.dmpFilesize
36KB
-
memory/3296-135-0x0000000000000000-mapping.dmp
-
memory/3296-137-0x0000000002240000-0x000000000224C000-memory.dmpFilesize
48KB