Analysis
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max time kernel
136s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 18:09
Static task
static1
Behavioral task
behavioral1
Sample
12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll
Resource
win7-20240903-en
General
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Target
12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll
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Size
660KB
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MD5
42365e836f1ca9b7bb57fd254070ef4b
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SHA1
b1c46d683f59efb06daab841341b9a56fff12baf
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SHA256
12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185
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SHA512
1c8f9c427044cca5664f53bb282479f8c4f9c5d0bb1abc4cea68e9762d728bed2c1143877f90ab5841fd24af2595d7c8c090bb3613774d84e8675e31f05c921f
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SSDEEP
12288:hr7tPMgvzJAHX/18nLrOo2HYJnfA/QCwirzKA0thR3Hm/zZe+sB9qF6+Z2ncwH2i:ffdA3/18nLrOoaYNfvPhabS10
Malware Config
Extracted
emotet
Epoch5
46.41.130.218:8080
168.197.250.14:80
195.77.239.39:8080
210.57.209.142:8080
203.153.216.46:443
45.71.195.104:8080
185.148.168.15:8080
78.46.73.125:443
116.124.128.206:8080
68.183.93.250:443
54.37.106.167:8080
66.42.57.149:443
103.41.204.169:8080
62.171.178.147:8080
37.59.209.141:8080
61.7.231.229:443
185.148.168.220:8080
139.196.72.155:8080
194.9.172.107:8080
191.252.103.16:80
195.154.146.35:443
61.7.231.226:443
59.148.253.194:443
217.182.143.207:443
118.98.72.86:443
37.44.244.177:8080
85.214.67.203:8080
54.37.228.122:443
198.199.98.78:8080
104.131.62.48:8080
54.38.242.185:443
78.47.204.80:443
190.90.233.66:443
27.254.174.84:8080
207.148.81.119:8080
128.199.192.135:8080
185.184.25.78:8080
159.69.237.188:443
93.104.209.107:8080
173.203.78.138:443
Signatures
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Emotet family
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid Process 4608 regsvr32.exe -
Drops file in System32 directory 1 IoCs
Processes:
regsvr32.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\Yrupyd\lmktaisfbrae.iim regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
regsvr32.exeregsvr32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid Process 4608 regsvr32.exe 4608 regsvr32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
regsvr32.exepid Process 4960 regsvr32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
regsvr32.exeregsvr32.exedescription pid Process procid_target PID 1792 wrote to memory of 4960 1792 regsvr32.exe 83 PID 1792 wrote to memory of 4960 1792 regsvr32.exe 83 PID 1792 wrote to memory of 4960 1792 regsvr32.exe 83 PID 4960 wrote to memory of 4608 4960 regsvr32.exe 86 PID 4960 wrote to memory of 4608 4960 regsvr32.exe 86 PID 4960 wrote to memory of 4608 4960 regsvr32.exe 86
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\12c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185.dll2⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Yrupyd\lmktaisfbrae.iim"3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4608
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
660KB
MD542365e836f1ca9b7bb57fd254070ef4b
SHA1b1c46d683f59efb06daab841341b9a56fff12baf
SHA25612c5ca2053e268d0003cba9e8b89220f876ee482cd283a5382be0ee713083185
SHA5121c8f9c427044cca5664f53bb282479f8c4f9c5d0bb1abc4cea68e9762d728bed2c1143877f90ab5841fd24af2595d7c8c090bb3613774d84e8675e31f05c921f