Analysis
-
max time kernel
148s -
max time network
9s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
24-02-2021 22:48
Static task
static1
Behavioral task
behavioral1
Sample
90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb.dll
Resource
win7v20201028
General
-
Target
90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb.dll
-
Size
556KB
-
MD5
891d09e0b6f27be252b9d3c84b9ee752
-
SHA1
7e0627981c803376d35056d68ad395218e668b43
-
SHA256
90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb
-
SHA512
05a34e14ae3b572599ac0c1f4d410b3ddeb38fc5eba91cb7ba5da85aa40f6bf4802fe36f608cf084f40339be5404922778ce8738e9dae81f7c0bcf3e5ae6da44
Malware Config
Extracted
qakbot
krk01
1611569149
31.5.21.66:995
89.3.198.238:443
202.188.138.162:443
188.24.128.253:443
175.141.219.71:443
151.60.15.183:443
184.189.122.72:443
80.227.5.70:443
140.82.49.12:443
89.211.241.100:995
81.97.154.100:443
77.27.174.49:995
92.154.83.96:2078
42.3.8.54:443
71.187.170.235:443
46.153.36.53:995
71.182.142.63:443
105.186.102.16:443
50.244.112.106:443
78.63.226.32:443
85.132.36.111:2222
68.186.192.69:443
75.136.40.155:443
68.225.60.77:995
144.139.47.206:443
79.129.121.81:995
98.121.187.78:443
75.67.192.125:443
216.201.162.158:443
2.50.2.216:443
75.136.26.147:443
84.72.35.226:443
172.78.30.215:443
105.198.236.99:443
83.110.102.100:443
193.248.221.184:2222
190.85.91.154:443
96.37.113.36:993
83.110.108.181:2222
88.233.91.244:443
95.77.223.148:443
207.246.77.75:2222
86.236.77.68:2222
207.246.77.75:443
45.63.107.192:995
77.211.30.202:995
149.28.99.97:443
207.246.77.75:8443
149.28.98.196:2222
207.246.116.237:995
207.246.116.237:8443
149.28.99.97:995
207.246.77.75:995
207.246.116.237:2222
45.77.115.208:443
45.32.211.207:995
149.28.101.90:8443
149.28.101.90:443
149.28.99.97:2222
172.115.177.204:2222
144.202.38.185:995
207.246.116.237:443
149.28.98.196:443
144.202.38.185:443
149.28.101.90:995
45.32.211.207:2222
45.32.211.207:443
45.32.211.207:8443
149.28.98.196:995
144.202.38.185:2222
45.63.107.192:443
149.28.101.90:2222
45.63.107.192:2222
45.77.115.208:2222
196.151.252.84:443
105.198.236.101:443
82.76.47.211:443
45.77.115.208:995
45.77.115.208:8443
213.60.147.140:443
92.59.35.196:2222
47.22.148.6:443
203.106.195.67:443
202.185.50.15:443
173.70.165.101:995
50.240.77.238:22
86.98.93.124:2078
172.87.157.235:3389
197.45.110.165:995
76.25.142.196:443
106.51.52.111:443
188.25.63.105:443
83.110.12.140:2222
64.121.114.87:443
50.29.166.232:995
217.133.54.140:32100
122.148.156.131:995
173.21.10.71:2222
45.46.53.140:2222
67.6.91.75:443
47.156.65.184:443
76.111.128.194:443
75.118.1.141:443
65.27.228.247:443
71.74.12.34:443
74.68.144.202:443
98.240.24.57:443
47.196.192.184:443
71.14.110.199:443
71.197.126.250:443
24.253.38.139:993
197.161.154.132:443
80.7.129.64:995
47.208.8.187:443
89.137.211.239:995
86.220.60.133:2222
94.53.92.42:443
78.97.207.104:443
106.250.150.98:443
67.8.103.21:443
41.39.134.183:443
2.50.161.6:2222
96.19.117.140:443
199.19.117.131:443
104.37.20.207:995
216.150.207.100:2222
189.222.111.204:443
73.216.60.90:2222
69.123.179.70:443
189.237.7.9:443
89.137.221.232:443
109.12.111.14:443
125.63.101.62:443
2.7.69.217:2222
89.211.247.202:443
201.130.149.43:995
186.155.151.167:443
201.127.37.219:443
151.205.102.42:443
189.210.115.207:443
97.69.160.4:2222
72.240.200.181:2222
72.252.201.69:443
172.87.134.226:995
209.210.187.52:995
209.210.187.52:443
108.46.145.30:443
24.229.150.54:995
186.84.90.232:443
80.11.5.65:2222
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1464 regsvr32.exe -
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 1384 rundll32.exe 1384 rundll32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 1384 rundll32.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exedescription pid process target process PID 1908 wrote to memory of 1384 1908 rundll32.exe rundll32.exe PID 1908 wrote to memory of 1384 1908 rundll32.exe rundll32.exe PID 1908 wrote to memory of 1384 1908 rundll32.exe rundll32.exe PID 1908 wrote to memory of 1384 1908 rundll32.exe rundll32.exe PID 1908 wrote to memory of 1384 1908 rundll32.exe rundll32.exe PID 1908 wrote to memory of 1384 1908 rundll32.exe rundll32.exe PID 1908 wrote to memory of 1384 1908 rundll32.exe rundll32.exe PID 1384 wrote to memory of 324 1384 rundll32.exe explorer.exe PID 1384 wrote to memory of 324 1384 rundll32.exe explorer.exe PID 1384 wrote to memory of 324 1384 rundll32.exe explorer.exe PID 1384 wrote to memory of 324 1384 rundll32.exe explorer.exe PID 1384 wrote to memory of 324 1384 rundll32.exe explorer.exe PID 1384 wrote to memory of 324 1384 rundll32.exe explorer.exe PID 324 wrote to memory of 308 324 explorer.exe schtasks.exe PID 324 wrote to memory of 308 324 explorer.exe schtasks.exe PID 324 wrote to memory of 308 324 explorer.exe schtasks.exe PID 324 wrote to memory of 308 324 explorer.exe schtasks.exe PID 916 wrote to memory of 1544 916 taskeng.exe regsvr32.exe PID 916 wrote to memory of 1544 916 taskeng.exe regsvr32.exe PID 916 wrote to memory of 1544 916 taskeng.exe regsvr32.exe PID 916 wrote to memory of 1544 916 taskeng.exe regsvr32.exe PID 916 wrote to memory of 1544 916 taskeng.exe regsvr32.exe PID 1544 wrote to memory of 1464 1544 regsvr32.exe regsvr32.exe PID 1544 wrote to memory of 1464 1544 regsvr32.exe regsvr32.exe PID 1544 wrote to memory of 1464 1544 regsvr32.exe regsvr32.exe PID 1544 wrote to memory of 1464 1544 regsvr32.exe regsvr32.exe PID 1544 wrote to memory of 1464 1544 regsvr32.exe regsvr32.exe PID 1544 wrote to memory of 1464 1544 regsvr32.exe regsvr32.exe PID 1544 wrote to memory of 1464 1544 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb.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 jxenziy /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb.dll\"" /SC ONCE /Z /ST 22:55 /ET 23:074⤵
- Creates scheduled task(s)
-
C:\Windows\system32\taskeng.exetaskeng.exe {CAA2B45D-4E85-4097-BEFE-311862711A09} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb.dll"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb.dll"3⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb.dllMD5
ab335c2a416383c748615aed31707260
SHA16afaf5458cd0caef19db7755d5ef8aa7a6f39474
SHA256060fd250d8ef9ae8a143790cbd787ac09516c58ba60eda57aa68b412d58ef2cd
SHA5121acb60cbcb5ecd9280395567670ed965267e7ca5f42df5bac889457d10d122b650c267252e9520b76be814c4414f320ca7cc5eb62bbf7cd970ec2b88cbf161fd
-
\Users\Admin\AppData\Local\Temp\90c3faf9691d30b6f5e5b68badba815800b28f5ca815c606c20579fd1c1494fb.dllMD5
ab335c2a416383c748615aed31707260
SHA16afaf5458cd0caef19db7755d5ef8aa7a6f39474
SHA256060fd250d8ef9ae8a143790cbd787ac09516c58ba60eda57aa68b412d58ef2cd
SHA5121acb60cbcb5ecd9280395567670ed965267e7ca5f42df5bac889457d10d122b650c267252e9520b76be814c4414f320ca7cc5eb62bbf7cd970ec2b88cbf161fd
-
memory/308-9-0x0000000000000000-mapping.dmp
-
memory/324-10-0x0000000000080000-0x00000000000B5000-memory.dmpFilesize
212KB
-
memory/324-11-0x0000000000080000-0x00000000000B5000-memory.dmpFilesize
212KB
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memory/324-6-0x0000000000000000-mapping.dmp
-
memory/324-8-0x00000000747F1000-0x00000000747F3000-memory.dmpFilesize
8KB
-
memory/1384-5-0x0000000000180000-0x0000000000181000-memory.dmpFilesize
4KB
-
memory/1384-2-0x0000000000000000-mapping.dmp
-
memory/1384-4-0x0000000010000000-0x0000000010035000-memory.dmpFilesize
212KB
-
memory/1384-3-0x0000000076271000-0x0000000076273000-memory.dmpFilesize
8KB
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memory/1464-15-0x0000000000000000-mapping.dmp
-
memory/1544-12-0x0000000000000000-mapping.dmp
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memory/1544-13-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmpFilesize
8KB