Analysis
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max time kernel
148s -
max time network
148s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
19-11-2021 19:49
Static task
static1
Behavioral task
behavioral1
Sample
bad71.bin.exe
Resource
win7-en-20211014
General
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Target
bad71.bin.exe
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Size
752KB
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MD5
b356ddc2348a102711ccd47a65b6cbcf
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SHA1
9d72d0985e61dc81758e0afcb58375e6182e7d66
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SHA256
5a89c0b4d52a8feb9b4bf7ebd49eb7a84b54b9cd94ced300b16202177926287f
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SHA512
3eb612bdd8f01c3b182a980fe79d47980d16fd9d934e13bd5f2db06163b60e63e8054add2dcffedb0cb8a8e2d66d67838ab7cbf58c6125d35ea3f32edec73fc2
Malware Config
Extracted
emotet
Epoch2
217.160.19.232:8080
192.241.220.155:8080
167.99.105.223:7080
176.31.200.130:8080
91.205.215.66:8080
181.143.194.138:443
167.71.10.37:8080
133.167.80.63:7080
183.102.238.69:465
190.145.67.134:8090
169.239.182.217:8080
78.24.219.147:8080
92.222.216.44:8080
47.41.213.2:22
124.240.198.66:80
189.209.217.49:80
80.11.163.139:21
190.53.135.159:21
217.160.182.191:8080
87.230.19.21:8080
136.243.177.26:8080
178.79.161.166:443
144.139.247.220:80
103.39.131.88:80
192.81.213.192:8080
152.89.236.214:8080
62.75.187.192:8080
46.105.131.87:80
190.226.44.20:21
173.212.203.26:8080
181.31.213.158:8080
190.228.72.244:53
104.131.44.150:8080
95.128.43.213:8080
104.131.11.150:8080
186.4.172.5:20
94.205.247.10:80
200.71.148.138:8080
5.196.74.210:8080
37.157.194.134:443
200.51.94.251:80
171.101.153.86:990
45.33.49.124:443
181.143.53.227:21
86.22.221.170:80
87.106.139.101:8080
83.136.245.190:8080
94.177.216.217:8080
31.12.67.62:7080
138.201.140.110:8080
37.187.2.199:443
178.210.51.222:8080
186.4.172.5:443
190.211.207.11:443
186.75.241.230:80
87.106.136.232:8080
209.141.41.136:8080
173.249.47.77:8080
186.4.172.5:8080
159.65.25.128:8080
85.104.59.244:20
149.202.153.252:8080
31.172.240.91:8080
206.189.98.125:8080
212.71.234.16:8080
182.176.132.213:8090
104.236.246.93:8080
212.129.24.79:8080
211.63.71.72:8080
115.78.95.230:443
59.103.164.174:80
Signatures
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Drops file in System32 directory 5 IoCs
Processes:
mmcfwk.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat mmcfwk.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 mmcfwk.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE mmcfwk.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies mmcfwk.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 mmcfwk.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:
mmcfwk.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mmcfwk.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mmcfwk.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mmcfwk.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
mmcfwk.exepid process 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
bad71.bin.exepid process 3312 bad71.bin.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
bad71.bin.exebad71.bin.exemmcfwk.exemmcfwk.exepid process 2716 bad71.bin.exe 2716 bad71.bin.exe 3312 bad71.bin.exe 3312 bad71.bin.exe 2900 mmcfwk.exe 2900 mmcfwk.exe 3864 mmcfwk.exe 3864 mmcfwk.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
bad71.bin.exemmcfwk.exedescription pid process target process PID 2716 wrote to memory of 3312 2716 bad71.bin.exe bad71.bin.exe PID 2716 wrote to memory of 3312 2716 bad71.bin.exe bad71.bin.exe PID 2716 wrote to memory of 3312 2716 bad71.bin.exe bad71.bin.exe PID 2900 wrote to memory of 3864 2900 mmcfwk.exe mmcfwk.exe PID 2900 wrote to memory of 3864 2900 mmcfwk.exe mmcfwk.exe PID 2900 wrote to memory of 3864 2900 mmcfwk.exe mmcfwk.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bad71.bin.exe"C:\Users\Admin\AppData\Local\Temp\bad71.bin.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bad71.bin.exe--97c5adc2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\mmcfwk.exe"C:\Windows\SysWOW64\mmcfwk.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mmcfwk.exe--93bb2492⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- 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:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\82a49bd7c4665dd0096a98a028c03321_2c818d6f-6b05-478c-8ce1-9d49a3874096MD5
78c781de007b076c097dc6ff6441157b
SHA12c87de22cebe6827bba9f37154a8812c3e56fe59
SHA2565ed6c6c600f903e8f3a0ff075a4b8a455c399c4b75b77ac12079f04091fc9335
SHA512e189729935eb664eb96893960e970acaadf20d40741404ab0f7bca0753051ea7b9795cc1a9974d7442c36f4bd336ab13c2360d2c43b061ecf793a46aa4dc12f5
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memory/2716-115-0x0000000002220000-0x0000000002237000-memory.dmpFilesize
92KB
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memory/2716-119-0x0000000000570000-0x000000000061E000-memory.dmpFilesize
696KB
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memory/2900-126-0x0000000000E10000-0x0000000000E27000-memory.dmpFilesize
92KB
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memory/3312-120-0x0000000000000000-mapping.dmp
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memory/3312-121-0x0000000002230000-0x0000000002247000-memory.dmpFilesize
92KB
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memory/3312-125-0x0000000002130000-0x0000000002141000-memory.dmpFilesize
68KB
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memory/3864-130-0x0000000000000000-mapping.dmp
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memory/3864-132-0x0000000000610000-0x0000000000627000-memory.dmpFilesize
92KB
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memory/3864-136-0x00000000004C0000-0x000000000060A000-memory.dmpFilesize
1.3MB