Analysis
-
max time kernel
1545s -
max time network
1515s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-05-2024 12:26
Static task
static1
Behavioral task
behavioral1
Sample
J_3Q.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
J_3Q.dll
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
J_3Q.dll
Resource
win10v2004-20240508-en
General
-
Target
J_3Q.dll
-
Size
348KB
-
MD5
ba32e0e7d1851f0b9450745036e081c7
-
SHA1
cddb67e77ab6c900c9c547a66f5998ae839ab75f
-
SHA256
92538ce0e54b480320d1d5d85a5b464f4c95fddc042e887b293082e3641c9b80
-
SHA512
6fe2107b8e30bcde8585812ff0445258b939397c20d86e6d6abe06e55cf49c475e1ea995988bd8e1a785506755bfab0aec39c1e00478cd741441c7ffd154fe60
-
SSDEEP
3072:Sa99Ky1S0SD8MHjO73Ba01/H/7FlwZ2RJJBvX+WUE742Lg:SaGy1nS8MHi7xai73JtkWUEn0
Malware Config
Extracted
emotet
Epoch1
181.10.46.92:80
2.58.16.88:8080
206.189.232.2:8080
178.250.54.208:8080
167.71.148.58:443
202.134.4.210:7080
187.162.248.237:80
78.206.229.130:80
85.214.26.7:8080
5.196.35.138:7080
1.226.84.243:8080
110.39.162.2:443
185.183.16.47:80
152.231.89.226:80
138.97.60.141:7080
94.176.234.118:443
46.101.58.37:8080
93.146.143.191:80
70.32.84.74:8080
137.74.106.111:7080
80.15.100.37:80
68.183.190.199:8080
154.127.113.242:80
70.32.115.157:8080
12.163.208.58:80
31.27.59.105:80
110.39.160.38:443
68.183.170.114:8080
87.106.46.107:8080
105.209.235.113:8080
185.94.252.27:443
209.236.123.42:8080
60.93.23.51:80
186.177.174.163:80
177.85.167.10:80
111.67.12.221:8080
191.241.233.198:80
149.202.72.142:7080
12.162.84.2:8080
217.13.106.14:8080
197.232.36.108:80
192.232.229.53:4143
143.0.85.206:7080
177.23.7.151:80
213.52.74.198:80
51.255.165.160:8080
181.30.61.163:443
93.149.120.214:80
212.71.237.140:8080
51.15.7.145:80
190.247.139.101:80
188.135.15.49:80
155.186.9.160:80
91.233.197.70:80
95.76.153.115:80
46.43.2.95:8080
152.169.22.67:80
138.197.99.250:8080
104.131.41.185:8080
211.215.18.93:8080
81.215.230.173:443
152.170.79.100:80
190.114.254.163:8080
190.251.216.100:80
201.241.127.190:80
82.208.146.142:7080
172.245.248.239:8080
190.64.88.186:443
192.175.111.212:7080
50.28.51.143:8080
81.17.93.134:80
202.79.24.136:443
190.24.243.186:80
190.162.232.138:80
62.84.75.50:80
190.210.246.253:80
190.45.24.210:80
172.104.169.32:8080
82.48.39.246:80
188.225.32.231:7080
45.16.226.117:443
178.211.45.66:8080
138.97.60.140:8080
122.201.23.45:443
170.81.48.2:80
81.214.253.80:443
80.249.176.206:80
83.169.21.32:7080
46.105.114.137:8080
83.144.109.70:80
191.223.36.170:80
200.75.39.254:80
201.185.69.28:443
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2288 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Marprbbzsnmreht\ydpxgwuomudmfs.rbf rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1016 2288 WerFault.exe rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 2388 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 4692 wrote to memory of 2388 4692 rundll32.exe rundll32.exe PID 4692 wrote to memory of 2388 4692 rundll32.exe rundll32.exe PID 4692 wrote to memory of 2388 4692 rundll32.exe rundll32.exe PID 2388 wrote to memory of 2288 2388 rundll32.exe rundll32.exe PID 2388 wrote to memory of 2288 2388 rundll32.exe rundll32.exe PID 2388 wrote to memory of 2288 2388 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\J_3Q.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\J_3Q.dll,#12⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Marprbbzsnmreht\ydpxgwuomudmfs.rbf",qKTCKIsJtijVx3⤵
- Loads dropped DLL
PID:2288 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 4764⤵
- Program crash
PID:1016
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 2288 -ip 22881⤵PID:3088
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\Marprbbzsnmreht\ydpxgwuomudmfs.rbfFilesize
348KB
MD5ba32e0e7d1851f0b9450745036e081c7
SHA1cddb67e77ab6c900c9c547a66f5998ae839ab75f
SHA25692538ce0e54b480320d1d5d85a5b464f4c95fddc042e887b293082e3641c9b80
SHA5126fe2107b8e30bcde8585812ff0445258b939397c20d86e6d6abe06e55cf49c475e1ea995988bd8e1a785506755bfab0aec39c1e00478cd741441c7ffd154fe60
-
memory/2288-5-0x0000000010000000-0x000000001005C000-memory.dmpFilesize
368KB
-
memory/2288-6-0x0000000010000000-0x000000001005C000-memory.dmpFilesize
368KB
-
memory/2288-8-0x0000000010000000-0x0000000010024000-memory.dmpFilesize
144KB
-
memory/2388-0-0x0000000001690000-0x00000000016B1000-memory.dmpFilesize
132KB
-
memory/2388-1-0x0000000010000000-0x0000000010024000-memory.dmpFilesize
144KB
-
memory/2388-3-0x0000000010000000-0x0000000010024000-memory.dmpFilesize
144KB