Analysis
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max time kernel
91s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
28-01-2023 11:15
Static task
static1
Behavioral task
behavioral1
Sample
TRFM.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
TRFM.dll
Resource
win10v2004-20221111-en
General
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Target
TRFM.dll
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Size
382KB
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MD5
8c406cb2c6fdda6a4b6e7324ab5357b7
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SHA1
25b701f32a7822f4d33a121d8330cd80232cf9ff
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SHA256
733ef8ec07f44abd1f57373fd7abfb963499ad841760699bbfbb35841d0316f5
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SHA512
de7de6c2165d69932ecbc8a2500395197807f41eb63bdf8c0d82d806c47e8b8613bfcfa78ad6967628ea51d063d3f502c6b3f5a3b00dbc68c1a98ac82bdf1caf
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SSDEEP
6144:rXVdd7gp5MPtqeiv2GkNCjptr4nllpmMRaamGSxUpKOtXUb4:rFdqp5MPtqeiaNC/SaSI+Ro4
Malware Config
Extracted
emotet
Epoch5
202.28.34.99:8080
80.211.107.116:8080
175.126.176.79:8080
218.38.121.17:443
139.196.72.155:8080
103.71.99.57:8080
87.106.97.83:7080
178.62.112.199:8080
64.227.55.231:8080
46.101.98.60:8080
54.37.228.122:443
128.199.217.206:443
190.145.8.4:443
209.239.112.82:8080
85.214.67.203:8080
198.199.70.22:8080
128.199.242.164:8080
178.238.225.252:8080
103.85.95.4:8080
103.126.216.86:443
104.244.79.94:443
36.67.23.59:443
37.44.244.177:8080
160.16.143.191:8080
85.25.120.45:8080
103.56.149.105:8080
210.57.209.142:8080
195.77.239.39:8080
62.171.178.147:8080
118.98.72.86:443
103.224.241.74:8080
185.148.169.10:8080
103.41.204.169:8080
186.250.48.5:443
165.22.254.236:8080
93.104.209.107:8080
139.59.80.108:8080
196.44.98.190:8080
114.79.130.68:443
115.178.55.22:80
103.254.12.236:7080
172.105.115.71:8080
174.138.33.49:7080
51.75.33.122:443
83.229.80.93:8080
78.47.204.80:443
188.165.79.151:443
202.134.4.210:7080
82.98.180.154:7080
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DbkjMJaMsqCdsKKc.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MCcvUtMCNIe\\DbkjMJaMsqCdsKKc.dll\"" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 4300 regsvr32.exe 4300 regsvr32.exe 4728 regsvr32.exe 4728 regsvr32.exe 4728 regsvr32.exe 4728 regsvr32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
regsvr32.exepid process 4300 regsvr32.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
regsvr32.exedescription pid process target process PID 4300 wrote to memory of 4728 4300 regsvr32.exe regsvr32.exe PID 4300 wrote to memory of 4728 4300 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\TRFM.dll1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\MCcvUtMCNIe\DbkjMJaMsqCdsKKc.dll"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4728
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