Analysis
-
max time kernel
31s -
max time network
16s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
11-06-2021 09:27
Static task
static1
Behavioral task
behavioral1
Sample
hret.dll
Resource
win7v20210408
General
-
Target
hret.dll
-
Size
1.8MB
-
MD5
5a6e614b4c79041ede71dc56e9d4523a
-
SHA1
d30cd8392133d35d11704d2a1556a4572078fb0e
-
SHA256
338b41182264fbc390c82f349f934242f85f2adcd82e37cc064855793abc01e2
-
SHA512
7d55fa5f271690ceeb5062d6d94255a126cc863f0b1e9e4ca53ae70c6c53d32cfc0b5cdc5dd8ca057948ece318b27b2229aca72f015baaab608a16553a93a2fd
Malware Config
Extracted
qakbot
402.68
obama58
1623325182
71.41.184.10:3389
81.214.126.173:2222
50.29.166.232:995
105.198.236.101:443
86.220.62.251:2222
190.85.91.154:443
140.82.49.12:443
68.186.192.69:443
24.95.61.62:443
90.65.234.26:2222
197.45.110.165:995
96.61.23.88:995
67.165.206.193:993
184.185.103.157:443
71.163.222.223:443
24.179.77.236:443
97.69.160.4:2222
75.67.192.125:443
24.152.219.253:995
105.198.236.99:443
92.59.35.196:2222
216.201.162.158:443
109.12.111.14:443
47.22.148.6:443
81.97.154.100:443
136.232.34.70:443
27.223.92.142:995
188.26.91.212:443
144.139.47.206:443
125.239.40.149:995
71.74.12.34:443
76.25.142.196:443
73.151.236.31:443
75.118.1.141:443
98.192.185.86:443
95.77.223.148:443
173.21.10.71:2222
98.252.118.134:443
72.252.201.69:443
151.205.102.42:443
189.210.115.207:443
75.137.47.174:443
72.240.200.181:2222
45.46.53.140:2222
24.55.112.61:443
24.229.150.54:995
172.78.33.243:443
83.110.108.43:2222
175.136.38.142:443
45.63.107.192:2222
45.63.107.192:443
45.32.211.207:443
45.32.211.207:8443
149.28.101.90:995
207.246.116.237:8443
207.246.116.237:995
207.246.116.237:2222
45.77.117.108:2222
45.77.117.108:8443
149.28.98.196:995
149.28.101.90:443
45.77.117.108:443
45.32.211.207:995
45.32.211.207:2222
45.77.115.208:995
149.28.98.196:2222
207.246.77.75:995
45.77.115.208:8443
207.246.77.75:2222
144.202.38.185:443
207.246.116.237:443
149.28.101.90:2222
149.28.101.90:8443
45.77.115.208:2222
45.77.115.208:443
45.77.117.108:995
149.28.98.196:443
144.202.38.185:995
207.246.77.75:8443
207.246.77.75:443
144.202.38.185:2222
149.28.99.97:443
149.28.99.97:995
149.28.99.97:2222
45.63.107.192:995
24.139.72.117:443
92.96.3.180:2078
71.187.170.235:443
68.204.7.158:443
108.27.245.228:443
83.196.56.65:2222
50.244.112.106:443
96.37.113.36:993
24.122.166.173:443
73.25.124.140:2222
86.173.143.211:443
47.196.213.73:443
186.154.175.13:443
70.163.161.79:443
78.63.226.32:443
195.6.1.154:2222
76.168.147.166:993
64.121.114.87:443
77.27.207.217:995
31.4.242.233:995
125.62.192.220:443
195.12.154.8:443
71.117.132.169:443
96.21.251.127:2222
71.199.192.62:443
70.168.130.172:995
82.12.157.95:995
209.210.187.52:995
209.210.187.52:443
67.6.12.4:443
189.222.59.177:443
174.104.22.30:443
142.117.191.18:2222
189.146.183.105:443
213.60.147.140:443
196.221.207.137:995
108.46.145.30:443
187.250.238.164:995
2.7.116.188:2222
195.43.173.70:443
106.250.150.98:443
45.67.231.247:443
83.110.103.152:443
83.110.9.71:2222
78.97.207.104:443
59.90.246.200:443
80.227.5.69:443
125.63.101.62:443
86.236.77.68:2222
109.106.69.138:2222
84.72.35.226:443
217.133.54.140:32100
197.161.154.132:443
89.137.211.239:995
74.222.204.82:995
122.148.156.131:995
156.223.110.23:443
144.139.166.18:443
202.185.166.181:443
76.94.200.148:995
71.63.120.101:443
196.151.252.84:443
202.188.138.162:443
74.68.144.202:443
69.58.147.82:2078
Signatures
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 496 rundll32.exe 496 rundll32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 496 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exedescription pid process target process PID 680 wrote to memory of 496 680 rundll32.exe rundll32.exe PID 680 wrote to memory of 496 680 rundll32.exe rundll32.exe PID 680 wrote to memory of 496 680 rundll32.exe rundll32.exe PID 496 wrote to memory of 1864 496 rundll32.exe explorer.exe PID 496 wrote to memory of 1864 496 rundll32.exe explorer.exe PID 496 wrote to memory of 1864 496 rundll32.exe explorer.exe PID 496 wrote to memory of 1864 496 rundll32.exe explorer.exe PID 496 wrote to memory of 1864 496 rundll32.exe explorer.exe PID 1864 wrote to memory of 2852 1864 explorer.exe schtasks.exe PID 1864 wrote to memory of 2852 1864 explorer.exe schtasks.exe PID 1864 wrote to memory of 2852 1864 explorer.exe schtasks.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hret.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hret.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn mtoxxunwjp /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\hret.dll\"" /SC ONCE /Z /ST 09:33 /ET 09:454⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
-
memory/496-114-0x0000000000000000-mapping.dmp
-
memory/496-115-0x0000000073A30000-0x0000000073A6D000-memory.dmpFilesize
244KB
-
memory/496-116-0x0000000073A30000-0x0000000073C1E000-memory.dmpFilesize
1.9MB
-
memory/496-117-0x00000000008D0000-0x00000000008D1000-memory.dmpFilesize
4KB
-
memory/1864-118-0x0000000000000000-mapping.dmp
-
memory/1864-122-0x0000000000A00000-0x0000000000A3D000-memory.dmpFilesize
244KB
-
memory/2852-119-0x0000000000000000-mapping.dmp