Analysis
-
max time kernel
131s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
18-04-2023 23:31
Static task
static1
Behavioral task
behavioral1
Sample
KBDYAK.exe
Resource
win7-20230220-en
General
-
Target
KBDYAK.exe
-
Size
848KB
-
MD5
a4513379dad5233afa402cc56a8b9222
-
SHA1
805727279208de9cf49e6374b1f3a6dc0052620e
-
SHA256
ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6
-
SHA512
10b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f
-
SSDEEP
6144:/TaQZdJnaB1kNOlFSm9tc6c6c6c6c6c6c6c6c6csImOksMWNIDK:/GQfJyFrz7
Malware Config
Extracted
emotet
Epoch2
67.68.210.95:80
162.241.242.173:8080
45.55.36.51:443
45.55.219.163:443
68.188.112.97:80
46.105.131.79:8080
78.24.219.147:8080
37.70.8.161:80
153.232.188.106:80
209.141.54.221:8080
203.117.253.142:80
152.168.248.128:443
93.147.212.206:80
24.137.76.62:80
189.212.199.126:443
204.197.146.48:80
137.119.36.33:80
185.94.252.104:443
139.130.242.43:80
203.153.216.189:7080
200.114.213.233:8080
41.60.200.34:80
107.5.122.110:80
139.162.108.71:8080
137.59.187.107:8080
181.230.116.163:80
24.43.99.75:80
83.169.36.251:8080
95.179.229.244:8080
85.152.162.105:80
37.139.21.175:8080
98.109.204.230:80
139.59.60.244:8080
75.139.38.211:80
61.19.246.238:443
79.98.24.39:8080
69.30.203.214:8080
68.171.118.7:80
50.81.3.113:80
89.205.113.80:80
87.106.136.232:8080
74.109.108.202:80
95.213.236.64:8080
24.179.13.119:80
121.124.124.40:7080
70.121.172.89:80
74.120.55.163:80
104.131.44.150:8080
74.208.45.104:8080
1.221.254.82:80
187.161.206.24:80
188.219.31.12:80
180.92.239.110:8080
47.146.117.214:80
103.86.49.11:8080
190.55.181.54:443
104.236.246.93:8080
97.82.79.83:80
91.211.88.52:7080
84.39.182.7:80
110.145.77.103:80
94.23.237.171:443
85.105.205.77:8080
87.106.139.101:8080
200.41.121.90:80
157.245.99.39:8080
169.239.182.217:8080
67.205.85.243:8080
176.111.60.55:8080
174.45.13.118:80
167.86.90.214:8080
174.102.48.180:443
112.185.64.233:80
173.81.218.65:80
139.99.158.11:443
113.160.130.116:8443
201.173.217.124:443
62.75.141.82:80
174.137.65.18:80
172.91.208.86:80
5.196.74.210:8080
85.66.181.138:80
47.144.21.12:443
194.187.133.160:443
168.235.67.138:7080
104.131.11.150:443
190.160.53.126:80
37.187.72.193:8080
109.74.5.95:8080
120.150.60.189:80
94.200.114.161:80
216.208.76.186:80
173.62.217.22:443
62.30.7.67:443
5.39.91.110:7080
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
NlsLexicons0007.exepid process 1216 NlsLexicons0007.exe -
Drops file in System32 directory 1 IoCs
Processes:
KBDYAK.exedescription ioc process File opened for modification C:\Windows\SysWOW64\catsrvps\NlsLexicons0007.exe KBDYAK.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Processes:
NlsLexicons0007.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 NlsLexicons0007.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 NlsLexicons0007.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 NlsLexicons0007.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 NlsLexicons0007.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 NlsLexicons0007.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 NlsLexicons0007.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
NlsLexicons0007.exepid process 1216 NlsLexicons0007.exe 1216 NlsLexicons0007.exe 1216 NlsLexicons0007.exe 1216 NlsLexicons0007.exe 1216 NlsLexicons0007.exe 1216 NlsLexicons0007.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
KBDYAK.exepid process 1740 KBDYAK.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
KBDYAK.exeNlsLexicons0007.exepid process 1740 KBDYAK.exe 1740 KBDYAK.exe 1216 NlsLexicons0007.exe 1216 NlsLexicons0007.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
KBDYAK.exedescription pid process target process PID 1740 wrote to memory of 1216 1740 KBDYAK.exe NlsLexicons0007.exe PID 1740 wrote to memory of 1216 1740 KBDYAK.exe NlsLexicons0007.exe PID 1740 wrote to memory of 1216 1740 KBDYAK.exe NlsLexicons0007.exe PID 1740 wrote to memory of 1216 1740 KBDYAK.exe NlsLexicons0007.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe"C:\Users\Admin\AppData\Local\Temp\KBDYAK.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\catsrvps\NlsLexicons0007.exe"C:\Windows\SysWOW64\catsrvps\NlsLexicons0007.exe"2⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015Filesize
61KB
MD5e71c8443ae0bc2e282c73faead0a6dd3
SHA10c110c1b01e68edfacaeae64781a37b1995fa94b
SHA25695b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72
SHA512b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015Filesize
342B
MD5cebfe8a68323ec4aef790eb407f3af68
SHA1bae3d8aba730f8ad6e4666cfa337ab7f08567583
SHA256c6175f58ae6ba22a9fb8883a869e3d222af06533aea781a588bff756cd5766ff
SHA5126de8aab692763400d30750be43b4e59c69332db618a21c8227e75782ddb7fa865e1cb4b0db1ad871cf8ecb86230dcaa781f86965adfe6a28a9d0a87d916072c5
-
C:\Users\Admin\AppData\Local\Temp\Cab38DF.tmpFilesize
61KB
MD5fc4666cbca561e864e7fdf883a9e6661
SHA12f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5
SHA25610f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b
SHA512c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d
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C:\Users\Admin\AppData\Local\Temp\Tar3A2D.tmpFilesize
161KB
MD5be2bec6e8c5653136d3e72fe53c98aa3
SHA1a8182d6db17c14671c3d5766c72e58d87c0810de
SHA2561919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd
SHA5120d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff
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C:\Windows\SysWOW64\catsrvps\NlsLexicons0007.exeFilesize
848KB
MD5a4513379dad5233afa402cc56a8b9222
SHA1805727279208de9cf49e6374b1f3a6dc0052620e
SHA256ccd380ea868ffad4f960d7455fecf88c2ac3550001bbb6c21c31ae70b3bbf4f6
SHA51210b23a9721bc9692f225a864f541d722761e622ff94e92f08c367a14fb7398199d4f4d3895ca456064889871246c6cbfc15fb2e593be21f384fb49e084cf3f9f
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memory/1216-60-0x0000000000240000-0x000000000024C000-memory.dmpFilesize
48KB
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memory/1216-64-0x0000000000240000-0x000000000024C000-memory.dmpFilesize
48KB
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memory/1216-65-0x0000000000220000-0x0000000000221000-memory.dmpFilesize
4KB
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memory/1740-54-0x0000000000260000-0x000000000026C000-memory.dmpFilesize
48KB
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memory/1740-58-0x0000000000250000-0x0000000000259000-memory.dmpFilesize
36KB