Analysis
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max time kernel
154s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
02-08-2022 01:29
Behavioral task
behavioral1
Sample
5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe
Resource
win7-20220718-en
General
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Target
5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe
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Size
474KB
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MD5
00cacacd26d0ca23ef52df59ce81b87c
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SHA1
9bd0c25ed7212c90af362d3f1f0a3a1c46edd0d4
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SHA256
5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f
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SHA512
ca42289180e9a9d024010e26eb0acb8716ed66c9ea74dfe8e751143dbd07e35006939c737dd4b9622aed18cdfe71c6b96bba9096c5bbca209f77f898cf4de07d
Malware Config
Extracted
emotet
Epoch1
181.123.0.125:80
119.159.150.176:443
184.69.214.94:20
80.240.141.141:7080
185.187.198.10:8080
46.41.134.46:8080
178.249.187.151:8080
217.199.160.224:8080
186.83.133.253:8080
23.92.22.225:7080
212.71.237.140:8080
190.221.50.210:8080
187.199.158.226:443
185.86.148.222:8080
200.58.171.51:80
77.245.101.134:8080
201.163.74.202:443
203.25.159.3:8080
183.82.97.25:80
51.15.8.192:8080
5.77.13.70:80
181.36.42.205:443
178.79.163.131:8080
217.113.27.158:443
62.75.143.100:7080
189.187.141.15:50000
77.55.211.77:8080
81.169.140.14:443
87.106.77.40:7080
114.79.134.129:443
217.199.175.216:8080
149.62.173.247:8080
46.29.183.211:8080
200.21.90.6:8080
187.188.166.192:80
123.168.4.66:22
190.230.60.129:80
138.68.106.4:7080
181.167.53.209:80
190.200.64.180:7080
190.104.253.234:990
119.92.51.40:8080
62.75.160.178:8080
186.0.95.172:80
109.169.86.13:8080
151.80.142.33:80
119.59.124.163:8080
86.42.166.147:80
71.244.60.231:7080
50.28.51.143:8080
91.205.215.57:7080
80.85.87.122:8080
201.214.74.71:80
179.62.18.56:443
89.188.124.145:443
190.38.14.52:80
190.117.206.153:443
71.244.60.230:7080
201.184.65.229:80
88.250.223.190:8080
5.196.35.138:7080
139.5.237.27:443
187.155.233.46:443
190.158.19.141:80
46.21.105.59:8080
187.199.158.226:7080
189.166.68.89:443
200.57.102.71:8443
159.203.204.126:8080
181.188.149.134:80
46.163.144.228:80
91.83.93.124:7080
170.84.133.72:8443
46.28.111.142:7080
211.229.116.97:80
109.104.79.48:8080
46.41.151.103:8080
190.1.37.125:443
190.230.60.129:8080
170.84.133.72:7080
79.143.182.254:8080
181.230.212.74:80
187.235.239.214:8080
Signatures
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Drops file in System32 directory 4 IoCs
Processes:
mailhash.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies mailhash.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 mailhash.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 mailhash.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE mailhash.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 3 IoCs
Processes:
mailhash.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mailhash.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mailhash.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mailhash.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
mailhash.exepid process 4788 mailhash.exe 4788 mailhash.exe 4788 mailhash.exe 4788 mailhash.exe 4788 mailhash.exe 4788 mailhash.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exepid process 2020 5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
AUDIODG.EXEdescription pid process Token: 33 736 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 736 AUDIODG.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exemailhash.exedescription pid process target process PID 4196 wrote to memory of 2020 4196 5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe 5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe PID 4196 wrote to memory of 2020 4196 5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe 5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe PID 4196 wrote to memory of 2020 4196 5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe 5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe PID 4716 wrote to memory of 4788 4716 mailhash.exe mailhash.exe PID 4716 wrote to memory of 4788 4716 mailhash.exe mailhash.exe PID 4716 wrote to memory of 4788 4716 mailhash.exe mailhash.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe"C:\Users\Admin\AppData\Local\Temp\5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5afd4019497d495f62eb21af2419d6e4b187fb7f2eb84da71737573a2fbcc54f.exe--14232bd2⤵
- Suspicious behavior: RenamesItself
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4f8 0x5001⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\mailhash.exe"C:\Windows\SysWOW64\mailhash.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mailhash.exe--9972dbb72⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/2020-131-0x0000000000000000-mapping.dmp
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memory/2020-134-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/2020-135-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/2020-137-0x0000000000400000-0x0000000000417000-memory.dmpFilesize
92KB
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memory/4196-130-0x00000000028B0000-0x00000000028C5000-memory.dmpFilesize
84KB
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memory/4196-132-0x00000000028B0000-0x00000000028C5000-memory.dmpFilesize
84KB
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memory/4196-133-0x0000000000400000-0x0000000000417000-memory.dmpFilesize
92KB
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memory/4788-136-0x0000000000000000-mapping.dmp
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memory/4788-138-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/4788-139-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB