Analysis
-
max time kernel
139s -
max time network
161s -
platform
windows7_x64 -
resource
win7-20220414-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
6bd935ece8bd901333190c9b212d1c51
-
SHA1
c2ea2e483ff8306de3ac355e4f30778cc05d423b
-
SHA256
110c4bbb8b762580278bbf75ca7aee74b7a35c1603e72aa49102cdd7260340d4
-
SHA512
c00a69df8f753fcd6ed31226279e3d9cbc3a0c826ecfd54786bb4d4b900b1c66c73a7abb11173a2c5bec5156763cbbc724373bb599d1a1e415958150ed002c34
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
-
Processes:
resource yara_rule behavioral1/memory/1596-54-0x0000000000260000-0x000000000026C000-memory.dmp emotet behavioral1/memory/1596-61-0x0000000000250000-0x0000000000259000-memory.dmp emotet behavioral1/memory/1244-62-0x00000000002E0000-0x00000000002EC000-memory.dmp emotet -
Executes dropped EXE 1 IoCs
Processes:
bitsprx5.exepid process 1244 bitsprx5.exe -
Drops file in System32 directory 1 IoCs
Processes:
sample.exedescription ioc process File opened for modification C:\Windows\SysWOW64\dmloader\bitsprx5.exe sample.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
bitsprx5.exepid process 1244 bitsprx5.exe 1244 bitsprx5.exe 1244 bitsprx5.exe 1244 bitsprx5.exe 1244 bitsprx5.exe 1244 bitsprx5.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
sample.exepid process 1596 sample.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
sample.exebitsprx5.exepid process 1596 sample.exe 1596 sample.exe 1244 bitsprx5.exe 1244 bitsprx5.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
sample.exedescription pid process target process PID 1596 wrote to memory of 1244 1596 sample.exe bitsprx5.exe PID 1596 wrote to memory of 1244 1596 sample.exe bitsprx5.exe PID 1596 wrote to memory of 1244 1596 sample.exe bitsprx5.exe PID 1596 wrote to memory of 1244 1596 sample.exe bitsprx5.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\dmloader\bitsprx5.exe"C:\Windows\SysWOW64\dmloader\bitsprx5.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\dmloader\bitsprx5.exeFilesize
76KB
MD56bd935ece8bd901333190c9b212d1c51
SHA1c2ea2e483ff8306de3ac355e4f30778cc05d423b
SHA256110c4bbb8b762580278bbf75ca7aee74b7a35c1603e72aa49102cdd7260340d4
SHA512c00a69df8f753fcd6ed31226279e3d9cbc3a0c826ecfd54786bb4d4b900b1c66c73a7abb11173a2c5bec5156763cbbc724373bb599d1a1e415958150ed002c34
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memory/1244-59-0x0000000000000000-mapping.dmp
-
memory/1244-62-0x00000000002E0000-0x00000000002EC000-memory.dmpFilesize
48KB
-
memory/1596-54-0x0000000000260000-0x000000000026C000-memory.dmpFilesize
48KB
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memory/1596-58-0x0000000075C51000-0x0000000075C53000-memory.dmpFilesize
8KB
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memory/1596-61-0x0000000000250000-0x0000000000259000-memory.dmpFilesize
36KB