Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 18:31
Static task
static1
Behavioral task
behavioral1
Sample
sample.exe
Resource
win7-20220414-en
General
-
Target
sample.exe
-
Size
76KB
-
MD5
04df84085c456233d1f7415fc959dc9b
-
SHA1
64db144c2e35932baa5904de6da4eaf2579a0f1e
-
SHA256
4a9a7c388cb0f86ffed403bce200cd045496325b9ec6818538e2ee780a8ce364
-
SHA512
0c15ee2a51c17526b8e1cdcbd85124aa0beb0423ced2f6940f690d14ac502f75ed0b51ac0602f3f82249cba4c87166ef6b9acff36934496adc21b4dfcdaeec84
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/4884-130-0x0000000002240000-0x000000000224C000-memory.dmp emotet behavioral2/memory/4884-134-0x0000000002230000-0x0000000002239000-memory.dmp emotet behavioral2/memory/4664-137-0x00000000021F0000-0x00000000021FC000-memory.dmp emotet -
Executes dropped EXE 1 IoCs
Processes:
AcSpecfc.exepid process 4664 AcSpecfc.exe -
Drops file in System32 directory 1 IoCs
Processes:
sample.exedescription ioc process File opened for modification C:\Windows\SysWOW64\RemoveDeviceElevated\AcSpecfc.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:
AcSpecfc.exepid process 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sample.exepid process 4884 sample.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
sample.exeAcSpecfc.exepid process 4884 sample.exe 4884 sample.exe 4664 AcSpecfc.exe 4664 AcSpecfc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
sample.exedescription pid process target process PID 4884 wrote to memory of 4664 4884 sample.exe AcSpecfc.exe PID 4884 wrote to memory of 4664 4884 sample.exe AcSpecfc.exe PID 4884 wrote to memory of 4664 4884 sample.exe AcSpecfc.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
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C:\Windows\SysWOW64\RemoveDeviceElevated\AcSpecfc.exe"C:\Windows\SysWOW64\RemoveDeviceElevated\AcSpecfc.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\RemoveDeviceElevated\AcSpecfc.exeFilesize
76KB
MD504df84085c456233d1f7415fc959dc9b
SHA164db144c2e35932baa5904de6da4eaf2579a0f1e
SHA2564a9a7c388cb0f86ffed403bce200cd045496325b9ec6818538e2ee780a8ce364
SHA5120c15ee2a51c17526b8e1cdcbd85124aa0beb0423ced2f6940f690d14ac502f75ed0b51ac0602f3f82249cba4c87166ef6b9acff36934496adc21b4dfcdaeec84
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memory/4664-135-0x0000000000000000-mapping.dmp
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memory/4664-137-0x00000000021F0000-0x00000000021FC000-memory.dmpFilesize
48KB
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memory/4884-130-0x0000000002240000-0x000000000224C000-memory.dmpFilesize
48KB
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memory/4884-134-0x0000000002230000-0x0000000002239000-memory.dmpFilesize
36KB