Analysis
- max time kernel
130s - max time network
114s - platform
windows10_x64 - resource
win10v20210408 - submitted
12/10/2021, 13:05
Static task
static1
Behavioral task
behavioral1
Sample
ocrafh.html.dll
Resource
win7-en-20210920
General
- Target ocrafh.html.dll
- Size 819KB
- Sample211012-qbw4facdd7
- SHA256 956ecb4afa437eafe56f958b34b6a78303ad626baee004715dc6634b7546bf85
- MD5 2897721785645ad5b2a8fb524ed650c0
- SHA1 d836fa75f0682b4c393418231aefca97169d551e
- SHA512 f40e3cd7ab855c3d5513efb0c84b831a538226a8baa7d743368989dcb5461b3d0ef7dd5cdd9a538a48835aebe60044e9bfdc063e5fb19cce7fecabe213c2786a
- MD5 SHA1 SHA512
Malware Config
Extracted
-
qakbot
-
402.363
-
tr
-
1633597626
-
120.150.218.241:995
-
185.250.148.74:443
-
89.137.52.44:443
-
66.103.170.104:2222
-
86.8.177.143:443
-
216.201.162.158:443
-
174.54.193.186:443
-
103.148.120.144:443
-
188.50.169.158:443
-
124.123.42.115:2222
-
140.82.49.12:443
-
199.27.127.129:443
-
81.241.252.59:2078
-
209.142.97.161:995
-
209.50.20.255:443
-
73.230.205.91:443
-
200.232.214.222:995
-
103.142.10.177:443
-
2.222.167.138:443
-
41.228.22.180:443
-
122.11.220.212:2222
-
78.191.58.219:995
-
47.22.148.6:443
-
74.72.237.54:443
-
217.17.56.163:465
-
96.57.188.174:2078
-
94.200.181.154:443
-
37.210.152.224:995
-
201.93.111.2:995
-
202.134.178.157:443
-
89.101.97.139:443
-
73.52.50.32:443
-
188.55.235.110:995
-
27.223.92.142:995
-
181.118.183.94:443
-
136.232.34.70:443
-
186.32.163.199:443
-
72.173.78.211:443
-
76.25.142.196:443
-
45.46.53.140:2222
-
98.157.235.126:443
-
173.21.10.71:2222
-
73.151.236.31:443
-
71.74.12.34:443
-
75.75.179.226:443
-
167.248.117.81:443
-
67.165.206.193:993
-
47.40.196.233:2222
-
72.252.201.69:443
-
181.4.53.6:465
-
109.12.111.14:443
-
24.171.50.5:443
-
24.139.72.117:443
-
24.55.112.61:443
-
24.229.150.54:995
-
77.57.204.78:443
-
81.250.153.227:2222
-
49.33.237.65:443
-
66.177.215.152:50010
-
177.170.201.134:995
-
75.188.35.168:443
-
120.151.47.189:443
-
173.25.162.221:443
-
201.6.246.227:995
-
66.177.215.152:443
-
217.17.56.163:2222
-
202.165.32.158:2222
-
39.52.229.8:995
-
42.60.70.14:443
-
73.140.38.124:443
-
167.248.100.227:443
-
63.70.164.200:443
-
69.30.186.190:443
-
189.131.221.201:443
-
68.204.7.158:443
-
181.84.114.46:443
-
167.248.99.149:443
-
177.94.21.110:995
-
50.54.32.149:443
-
189.224.181.39:443
-
24.119.214.7:443
-
63.70.164.200:995
-
177.94.125.59:995
-
82.18.173.253:2222
-
73.130.180.25:443
-
217.17.56.163:2078
-
162.244.227.34:443
-
75.66.88.33:443
-
206.47.134.234:2222
-
167.248.54.34:2222
-
73.77.87.137:443
-
181.4.53.6:443
-
190.198.206.189:2222
-
167.248.111.245:443
-
96.46.103.226:443
-
73.25.124.140:2222
-
24.152.219.253:995
-
68.186.192.69:443
-
162.210.220.137:443
-
174.54.58.170:443
-
103.246.130.114:1194
-
103.246.130.35:21
-
103.246.130.2:20
-
103.246.130.122:20
-
105.198.236.99:443
-
103.157.122.198:995
-
4.34.193.180:995
-
159.2.51.200:2222
-
110.174.64.179:995
-
187.101.25.96:32100
-
76.84.230.103:443
-
174.59.35.191:443
-
173.63.245.129:443
-
68.117.229.117:443
-
75.163.81.130:995
-
76.84.32.159:443
-
147.92.51.49:443
-
76.84.226.17:443
-
68.13.157.69:443
-
167.248.126.223:443
-
72.196.22.184:443
-
98.22.92.139:995
-
97.98.130.50:443
-
196.117.224.53:995
-
191.191.38.8:443
-
188.210.210.122:443
-
96.46.103.109:2222
-
37.117.191.19:2222
-
197.90.137.161:61201
-
24.32.174.175:443
-
76.84.225.21:443
-
78.145.153.73:995
-
69.30.190.105:995
-
167.248.81.60:443
-
69.80.113.148:443
-
217.17.56.163:443
-
62.23.194.38:443
-
62.23.194.41:995
-
189.210.115.207:443
-
174.59.226.6:443
-
73.130.237.36:443
-
69.253.197.100:443
-
174.59.242.9:443
Signatures
- Loads dropped DLL 1 IoCs
pid Process 2124 regsvr32.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3600 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3156 rundll32.exe 3156 rundll32.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3156 rundll32.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 532 wrote to memory of 3156 532 rundll32.exe 70 PID 532 wrote to memory of 3156 532 rundll32.exe 70 PID 532 wrote to memory of 3156 532 rundll32.exe 70 PID 3156 wrote to memory of 3016 3156 rundll32.exe 76 PID 3156 wrote to memory of 3016 3156 rundll32.exe 76 PID 3156 wrote to memory of 3016 3156 rundll32.exe 76 PID 3156 wrote to memory of 3016 3156 rundll32.exe 76 PID 3156 wrote to memory of 3016 3156 rundll32.exe 76 PID 3016 wrote to memory of 3600 3016 explorer.exe 77 PID 3016 wrote to memory of 3600 3016 explorer.exe 77 PID 3016 wrote to memory of 3600 3016 explorer.exe 77 PID 2004 wrote to memory of 2124 2004 regsvr32.exe 81 PID 2004 wrote to memory of 2124 2004 regsvr32.exe 81 PID 2004 wrote to memory of 2124 2004 regsvr32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ocrafh.html.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ocrafh.html.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn aernstdhol /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\ocrafh.html.dll\"" /SC ONCE /Z /ST 20:24 /ET 20:364⤵
- Creates scheduled task(s)
PID:3600
-
-
-
-
\??\c:\windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\ocrafh.html.dll"1⤵
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\ocrafh.html.dll"2⤵
- Loads dropped DLL
PID:2124
-