Analysis
-
max time kernel
148s -
max time network
8s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
24-02-2021 20:42
Static task
static1
Behavioral task
behavioral1
Sample
f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll
Resource
win7v20201028
General
-
Target
f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll
-
Size
556KB
-
MD5
5454995814c5c0af5b18d5e49b361d69
-
SHA1
83e98d7c819a56c240926f8e36534ace3b681490
-
SHA256
f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3
-
SHA512
6ab4354a76835f0f52e95f83f5d6e768e7c080f7d1f1592e2e4f7aac5bea7375ed0ad735f728d6d63e787660092c399a11b527d44d8d03a2561c797858875976
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 1684 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 1092 rundll32.exe 1092 rundll32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 1092 rundll32.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exedescription pid process target process PID 1852 wrote to memory of 1092 1852 rundll32.exe rundll32.exe PID 1852 wrote to memory of 1092 1852 rundll32.exe rundll32.exe PID 1852 wrote to memory of 1092 1852 rundll32.exe rundll32.exe PID 1852 wrote to memory of 1092 1852 rundll32.exe rundll32.exe PID 1852 wrote to memory of 1092 1852 rundll32.exe rundll32.exe PID 1852 wrote to memory of 1092 1852 rundll32.exe rundll32.exe PID 1852 wrote to memory of 1092 1852 rundll32.exe rundll32.exe PID 1092 wrote to memory of 1676 1092 rundll32.exe explorer.exe PID 1092 wrote to memory of 1676 1092 rundll32.exe explorer.exe PID 1092 wrote to memory of 1676 1092 rundll32.exe explorer.exe PID 1092 wrote to memory of 1676 1092 rundll32.exe explorer.exe PID 1092 wrote to memory of 1676 1092 rundll32.exe explorer.exe PID 1092 wrote to memory of 1676 1092 rundll32.exe explorer.exe PID 1676 wrote to memory of 316 1676 explorer.exe schtasks.exe PID 1676 wrote to memory of 316 1676 explorer.exe schtasks.exe PID 1676 wrote to memory of 316 1676 explorer.exe schtasks.exe PID 1676 wrote to memory of 316 1676 explorer.exe schtasks.exe PID 1116 wrote to memory of 1348 1116 taskeng.exe regsvr32.exe PID 1116 wrote to memory of 1348 1116 taskeng.exe regsvr32.exe PID 1116 wrote to memory of 1348 1116 taskeng.exe regsvr32.exe PID 1116 wrote to memory of 1348 1116 taskeng.exe regsvr32.exe PID 1116 wrote to memory of 1348 1116 taskeng.exe regsvr32.exe PID 1348 wrote to memory of 1684 1348 regsvr32.exe regsvr32.exe PID 1348 wrote to memory of 1684 1348 regsvr32.exe regsvr32.exe PID 1348 wrote to memory of 1684 1348 regsvr32.exe regsvr32.exe PID 1348 wrote to memory of 1684 1348 regsvr32.exe regsvr32.exe PID 1348 wrote to memory of 1684 1348 regsvr32.exe regsvr32.exe PID 1348 wrote to memory of 1684 1348 regsvr32.exe regsvr32.exe PID 1348 wrote to memory of 1684 1348 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.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 twnwyap /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll\"" /SC ONCE /Z /ST 20:44 /ET 20:564⤵
- Creates scheduled task(s)
-
C:\Windows\system32\taskeng.exetaskeng.exe {AF7D967D-E49B-4ED4-8E03-4AD0974BAE90} 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\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dll"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.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\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dllMD5
ab335c2a416383c748615aed31707260
SHA16afaf5458cd0caef19db7755d5ef8aa7a6f39474
SHA256060fd250d8ef9ae8a143790cbd787ac09516c58ba60eda57aa68b412d58ef2cd
SHA5121acb60cbcb5ecd9280395567670ed965267e7ca5f42df5bac889457d10d122b650c267252e9520b76be814c4414f320ca7cc5eb62bbf7cd970ec2b88cbf161fd
-
\Users\Admin\AppData\Local\Temp\f540357d1b588091c99f739171e8846fb604a5ee0f9a3dd776f5584c023cb4a3.dllMD5
ab335c2a416383c748615aed31707260
SHA16afaf5458cd0caef19db7755d5ef8aa7a6f39474
SHA256060fd250d8ef9ae8a143790cbd787ac09516c58ba60eda57aa68b412d58ef2cd
SHA5121acb60cbcb5ecd9280395567670ed965267e7ca5f42df5bac889457d10d122b650c267252e9520b76be814c4414f320ca7cc5eb62bbf7cd970ec2b88cbf161fd
-
memory/316-9-0x0000000000000000-mapping.dmp
-
memory/1092-5-0x00000000001E0000-0x00000000001E1000-memory.dmpFilesize
4KB
-
memory/1092-2-0x0000000000000000-mapping.dmp
-
memory/1092-4-0x0000000010000000-0x0000000010035000-memory.dmpFilesize
212KB
-
memory/1092-3-0x00000000756C1000-0x00000000756C3000-memory.dmpFilesize
8KB
-
memory/1348-12-0x0000000000000000-mapping.dmp
-
memory/1348-13-0x000007FEFBE81000-0x000007FEFBE83000-memory.dmpFilesize
8KB
-
memory/1676-6-0x0000000000000000-mapping.dmp
-
memory/1676-8-0x0000000074A81000-0x0000000074A83000-memory.dmpFilesize
8KB
-
memory/1676-10-0x00000000000F0000-0x0000000000125000-memory.dmpFilesize
212KB
-
memory/1676-11-0x00000000000F0000-0x0000000000125000-memory.dmpFilesize
212KB
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memory/1684-15-0x0000000000000000-mapping.dmp