Analysis
-
max time kernel
126s -
max time network
38s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
10-06-2021 14:44
Static task
static1
Behavioral task
behavioral1
Sample
zv.html.dll
Resource
win7v20210410
General
-
Target
zv.html.dll
-
Size
382KB
-
MD5
b717b23a7261b0f105c6c70e7827627a
-
SHA1
396c238649a64a3e4bdf6ae31be84cdf2a5248e5
-
SHA256
6d33d480c3334cbcbeec1284cafc821e168f73a15ef70f15fd98526ea820b33d
-
SHA512
a666522c1b0a25bd6d4fa71e9f6fa4e0f614582632e57e3190a2a097887ac5575a671c0622b22fc4d87d3804db9d10f229501ddd05044e532bc51698705e68d9
Malware Config
Extracted
qakbot
402.12
tr
1618935072
140.82.49.12:443
190.85.91.154:443
96.37.113.36:993
71.41.184.10:3389
186.31.46.121:443
73.25.124.140:2222
109.12.111.14:443
24.229.150.54:995
45.32.211.207:443
45.77.117.108:443
45.77.117.108:8443
149.28.98.196:443
149.28.98.196:2222
144.202.38.185:443
144.202.38.185:995
45.32.211.207:995
207.246.116.237:995
149.28.99.97:995
45.63.107.192:2222
149.28.101.90:995
45.77.115.208:2222
45.32.211.207:8443
45.32.211.207:2222
45.77.115.208:443
207.246.116.237:443
45.77.117.108:2222
149.28.98.196:995
45.63.107.192:443
149.28.101.90:8443
24.152.219.253:995
149.28.101.90:443
149.28.101.90:2222
45.77.115.208:995
45.77.115.208:8443
207.246.77.75:8443
207.246.77.75:2222
207.246.116.237:2222
45.77.117.108:995
149.28.99.97:443
144.202.38.185:2222
207.246.77.75:995
207.246.77.75:443
207.246.116.237:8443
24.55.112.61:443
47.22.148.6:443
216.201.162.158:443
197.45.110.165:995
24.117.107.120:443
71.163.222.243:443
189.210.115.207:443
149.28.99.97:2222
45.63.107.192:995
151.205.102.42:443
75.118.1.141:443
105.198.236.101:443
72.252.201.69:443
67.8.103.21:443
136.232.34.70:443
75.67.192.125:443
72.240.200.181:2222
75.137.47.174:443
78.63.226.32:443
95.77.223.148:443
81.97.154.100:443
105.198.236.99:443
83.110.109.164:2222
50.29.166.232:995
115.133.243.6:443
27.223.92.142:995
45.46.53.140:2222
173.21.10.71:2222
71.74.12.34:443
98.252.118.134:443
76.25.142.196:443
24.226.156.153:443
47.196.192.184:443
67.165.206.193:993
73.151.236.31:443
98.192.185.86:443
24.139.72.117:443
94.59.106.186:2078
188.26.91.212:443
184.185.103.157:443
172.78.47.100:443
195.6.1.154:2222
86.190.41.156:443
108.14.4.202:443
24.43.22.219:993
86.220.62.251:2222
97.69.160.4:2222
90.65.236.181:2222
71.187.170.235:443
50.244.112.106:443
96.61.23.88:995
64.121.114.87:443
144.139.47.206:443
222.153.174.162:995
77.27.207.217:995
24.95.61.62:443
77.211.30.202:995
92.59.35.196:2222
125.62.192.220:443
195.12.154.8:443
68.186.192.69:443
75.136.40.155:443
71.117.132.169:443
96.21.251.127:2222
71.199.192.62:443
70.168.130.172:995
83.196.56.65:2222
81.214.126.173:2222
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
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 364 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 1 IoCs
Processes:
rundll32.exepid process 1884 rundll32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 1884 rundll32.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exedescription pid process target process PID 1856 wrote to memory of 1884 1856 rundll32.exe rundll32.exe PID 1856 wrote to memory of 1884 1856 rundll32.exe rundll32.exe PID 1856 wrote to memory of 1884 1856 rundll32.exe rundll32.exe PID 1856 wrote to memory of 1884 1856 rundll32.exe rundll32.exe PID 1856 wrote to memory of 1884 1856 rundll32.exe rundll32.exe PID 1856 wrote to memory of 1884 1856 rundll32.exe rundll32.exe PID 1856 wrote to memory of 1884 1856 rundll32.exe rundll32.exe PID 1884 wrote to memory of 1572 1884 rundll32.exe explorer.exe PID 1884 wrote to memory of 1572 1884 rundll32.exe explorer.exe PID 1884 wrote to memory of 1572 1884 rundll32.exe explorer.exe PID 1884 wrote to memory of 1572 1884 rundll32.exe explorer.exe PID 1884 wrote to memory of 1572 1884 rundll32.exe explorer.exe PID 1884 wrote to memory of 1572 1884 rundll32.exe explorer.exe PID 1572 wrote to memory of 892 1572 explorer.exe schtasks.exe PID 1572 wrote to memory of 892 1572 explorer.exe schtasks.exe PID 1572 wrote to memory of 892 1572 explorer.exe schtasks.exe PID 1572 wrote to memory of 892 1572 explorer.exe schtasks.exe PID 1656 wrote to memory of 1892 1656 taskeng.exe regsvr32.exe PID 1656 wrote to memory of 1892 1656 taskeng.exe regsvr32.exe PID 1656 wrote to memory of 1892 1656 taskeng.exe regsvr32.exe PID 1656 wrote to memory of 1892 1656 taskeng.exe regsvr32.exe PID 1656 wrote to memory of 1892 1656 taskeng.exe regsvr32.exe PID 1892 wrote to memory of 364 1892 regsvr32.exe regsvr32.exe PID 1892 wrote to memory of 364 1892 regsvr32.exe regsvr32.exe PID 1892 wrote to memory of 364 1892 regsvr32.exe regsvr32.exe PID 1892 wrote to memory of 364 1892 regsvr32.exe regsvr32.exe PID 1892 wrote to memory of 364 1892 regsvr32.exe regsvr32.exe PID 1892 wrote to memory of 364 1892 regsvr32.exe regsvr32.exe PID 1892 wrote to memory of 364 1892 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\zv.html.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\zv.html.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 yxfcnjrh /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\zv.html.dll\"" /SC ONCE /Z /ST 14:50 /ET 15:024⤵
- Creates scheduled task(s)
-
C:\Windows\system32\taskeng.exetaskeng.exe {9AC55159-D050-432B-97BE-B1C5AFE40BC7} 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\zv.html.dll"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\zv.html.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\zv.html.dllMD5
edd1e59ef1c0721cd962016fb1e132b5
SHA1d02c2385d6dd74e60c3fe7581a196ee307909901
SHA256fad115fe61b77e0b2c2415fb8e25125f057e440b6db2c731fde4d86fd7b7db9c
SHA512bf2f99b6ee0740e7ec0b0d6ca1ee03cb0360499b9eb60a37f3f0f2ef3312e3d95e218f904a7a2d8bd47339ec68622a7afdd3b4fcb091679571fd52c073128f50
-
\Users\Admin\AppData\Local\Temp\zv.html.dllMD5
edd1e59ef1c0721cd962016fb1e132b5
SHA1d02c2385d6dd74e60c3fe7581a196ee307909901
SHA256fad115fe61b77e0b2c2415fb8e25125f057e440b6db2c731fde4d86fd7b7db9c
SHA512bf2f99b6ee0740e7ec0b0d6ca1ee03cb0360499b9eb60a37f3f0f2ef3312e3d95e218f904a7a2d8bd47339ec68622a7afdd3b4fcb091679571fd52c073128f50
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memory/364-71-0x0000000000000000-mapping.dmp
-
memory/892-67-0x0000000000000000-mapping.dmp
-
memory/1572-63-0x0000000000000000-mapping.dmp
-
memory/1572-65-0x0000000074B61000-0x0000000074B63000-memory.dmpFilesize
8KB
-
memory/1572-66-0x00000000000C0000-0x00000000000F9000-memory.dmpFilesize
228KB
-
memory/1884-62-0x0000000010000000-0x000000001005F000-memory.dmpFilesize
380KB
-
memory/1884-59-0x0000000000000000-mapping.dmp
-
memory/1884-61-0x00000000003B0000-0x000000000040F000-memory.dmpFilesize
380KB
-
memory/1884-60-0x0000000075FE1000-0x0000000075FE3000-memory.dmpFilesize
8KB
-
memory/1892-68-0x0000000000000000-mapping.dmp
-
memory/1892-69-0x000007FEFBD21000-0x000007FEFBD23000-memory.dmpFilesize
8KB