Analysis
-
max time kernel
128s -
max time network
123s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
28-04-2021 23:31
Static task
static1
Behavioral task
behavioral1
Sample
file.dll
Resource
win7v20210410
General
-
Target
file.dll
-
Size
400KB
-
MD5
41b7cc33149ed08e5f2e49261ee1076f
-
SHA1
2dd8aa9a36ff1eeebba54ccca7663585b74aa1d8
-
SHA256
d097dc7cb2dc21ccae2921e383818dfd0eeae09b0ff09f0f4805e30aa0236729
-
SHA512
654183eb66542ee5b24807290a3304831d43bd3c7a1463b53f4350d950ae36923971eecfa2d722c65545758e00c51ee7ba2060e0e415750c76f0037f583f4ace
Malware Config
Extracted
qakbot
401.138
biden02
1614154620
98.173.34.213:995
160.3.187.114:443
73.25.124.140:2222
24.50.118.93:443
82.127.125.209:990
83.110.109.106:2222
79.129.121.81:995
189.223.234.23:995
125.63.101.62:443
113.22.175.141:443
172.78.30.215:443
47.146.169.85:443
47.22.148.6:443
76.25.142.196:443
78.63.226.32:443
105.198.236.101:443
75.67.192.125:443
176.181.247.197:443
105.96.8.96:443
108.31.15.10:995
176.205.222.30:2078
115.133.243.6:443
83.110.11.244:2222
195.43.173.70:443
197.51.82.72:443
89.137.211.239:995
105.198.236.99:443
144.139.47.206:443
202.188.138.162:443
24.43.22.218:993
69.58.147.82:2078
157.131.108.180:443
92.59.35.196:2222
195.12.154.8:443
86.160.137.132:443
59.90.246.200:443
96.57.188.174:2222
172.87.157.235:3389
189.211.177.183:995
173.184.119.153:995
50.244.112.106:443
144.139.166.18:443
90.65.236.181:2222
81.150.181.168:2222
68.186.192.69:443
74.222.204.82:995
197.161.154.132:443
38.92.225.121:443
197.45.110.165:995
71.117.132.169:443
85.52.72.32:2222
217.133.54.140:32100
193.248.221.184:2222
95.77.223.148:443
83.110.103.152:443
80.227.5.69:443
209.210.187.52:995
50.29.166.232:995
108.160.123.244:443
24.152.219.253:995
81.97.154.100:443
203.198.96.37:443
80.11.173.82:8443
97.69.160.4:2222
196.151.252.84:443
172.115.177.204:2222
98.121.187.78:443
47.187.108.172:443
216.201.162.158:443
140.82.49.12:443
71.199.192.62:443
71.88.193.17:443
182.48.193.200:443
71.187.170.235:443
77.211.30.202:995
77.27.204.204:995
96.37.113.36:993
187.250.39.162:443
122.148.156.131:995
173.21.10.71:2222
119.153.43.235:3389
71.74.12.34:443
75.118.1.141:443
75.136.26.147:443
67.6.12.4:443
71.197.126.250:443
78.185.59.190:443
125.239.152.76:995
45.46.53.140:2222
98.240.24.57:443
199.19.117.131:443
113.211.120.112:443
74.68.144.202:443
73.153.211.227:443
98.252.118.134:443
189.222.59.177:443
187.250.177.33:995
186.28.55.211:443
189.210.115.207:443
90.101.117.122:2222
72.240.200.181:2222
151.205.102.42:443
24.55.112.61:443
82.12.157.95:995
189.146.183.105:443
72.252.201.69:443
109.12.111.14:443
24.229.150.54:995
209.210.187.52:443
67.8.103.21:443
47.196.192.184:443
24.139.72.117:443
79.115.174.55:443
94.53.92.42:443
86.236.77.68:2222
89.3.198.238:443
213.60.147.140:443
84.247.55.190:8443
2.7.116.188:2222
106.51.85.162:443
87.202.87.210:2222
142.117.191.18:2222
196.221.207.137:995
188.26.91.212:443
108.46.145.30:443
125.209.114.182:995
27.223.92.142:995
173.25.45.66:443
32.210.98.6:443
65.27.228.247:443
108.29.32.251:443
189.223.97.175:443
78.97.207.104:443
181.48.190.78:443
2.232.253.79:995
136.232.34.70:443
207.246.77.75:2222
45.77.115.208:443
207.246.77.75:8443
45.63.107.192:443
45.77.117.108:2222
45.77.117.108:8443
45.77.115.208:995
45.77.117.108:443
144.202.38.185:2222
149.28.98.196:995
144.202.38.185:995
149.28.101.90:8443
149.28.99.97:995
45.32.211.207:995
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 292 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:
regsvr32.exepid process 2036 regsvr32.exe 2036 regsvr32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
regsvr32.exepid process 2036 regsvr32.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
regsvr32.exeregsvr32.exeexplorer.exetaskeng.exeregsvr32.exedescription pid process target process PID 368 wrote to memory of 2036 368 regsvr32.exe regsvr32.exe PID 368 wrote to memory of 2036 368 regsvr32.exe regsvr32.exe PID 368 wrote to memory of 2036 368 regsvr32.exe regsvr32.exe PID 368 wrote to memory of 2036 368 regsvr32.exe regsvr32.exe PID 368 wrote to memory of 2036 368 regsvr32.exe regsvr32.exe PID 368 wrote to memory of 2036 368 regsvr32.exe regsvr32.exe PID 368 wrote to memory of 2036 368 regsvr32.exe regsvr32.exe PID 2036 wrote to memory of 612 2036 regsvr32.exe explorer.exe PID 2036 wrote to memory of 612 2036 regsvr32.exe explorer.exe PID 2036 wrote to memory of 612 2036 regsvr32.exe explorer.exe PID 2036 wrote to memory of 612 2036 regsvr32.exe explorer.exe PID 2036 wrote to memory of 612 2036 regsvr32.exe explorer.exe PID 2036 wrote to memory of 612 2036 regsvr32.exe explorer.exe PID 612 wrote to memory of 332 612 explorer.exe schtasks.exe PID 612 wrote to memory of 332 612 explorer.exe schtasks.exe PID 612 wrote to memory of 332 612 explorer.exe schtasks.exe PID 612 wrote to memory of 332 612 explorer.exe schtasks.exe PID 1152 wrote to memory of 328 1152 taskeng.exe regsvr32.exe PID 1152 wrote to memory of 328 1152 taskeng.exe regsvr32.exe PID 1152 wrote to memory of 328 1152 taskeng.exe regsvr32.exe PID 1152 wrote to memory of 328 1152 taskeng.exe regsvr32.exe PID 1152 wrote to memory of 328 1152 taskeng.exe regsvr32.exe PID 328 wrote to memory of 292 328 regsvr32.exe regsvr32.exe PID 328 wrote to memory of 292 328 regsvr32.exe regsvr32.exe PID 328 wrote to memory of 292 328 regsvr32.exe regsvr32.exe PID 328 wrote to memory of 292 328 regsvr32.exe regsvr32.exe PID 328 wrote to memory of 292 328 regsvr32.exe regsvr32.exe PID 328 wrote to memory of 292 328 regsvr32.exe regsvr32.exe PID 328 wrote to memory of 292 328 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\file.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\file.dll2⤵
- 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 vencvinkn /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\file.dll\"" /SC ONCE /Z /ST 01:23 /ET 01:354⤵
- Creates scheduled task(s)
-
C:\Windows\system32\taskeng.exetaskeng.exe {897F8B55-B7BC-49AA-A9C0-21890B2582E9} 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\file.dll"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\file.dll"3⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\file.dllMD5
b09322ff1b182fded1b0e09e770c003b
SHA1c67a7cb00a601e9d60a1b1a376348391a3e7b411
SHA256a3ab63f43d4e6af369e174ff52bd1d7d637eb8fb3128b09f8923679aba386779
SHA5123e18f88291ca49381259d1e58c1cf71498532c688e1577db658624db98de7539e3cad347e736b54c77b2de12eb9698e8bf7ec40ec2511f7800cca66a36bcedd8
-
\Users\Admin\AppData\Local\Temp\file.dllMD5
b09322ff1b182fded1b0e09e770c003b
SHA1c67a7cb00a601e9d60a1b1a376348391a3e7b411
SHA256a3ab63f43d4e6af369e174ff52bd1d7d637eb8fb3128b09f8923679aba386779
SHA5123e18f88291ca49381259d1e58c1cf71498532c688e1577db658624db98de7539e3cad347e736b54c77b2de12eb9698e8bf7ec40ec2511f7800cca66a36bcedd8
-
memory/292-72-0x0000000000000000-mapping.dmp
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memory/328-69-0x0000000000000000-mapping.dmp
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memory/332-67-0x0000000000000000-mapping.dmp
-
memory/368-59-0x000007FEFBDC1000-0x000007FEFBDC3000-memory.dmpFilesize
8KB
-
memory/612-66-0x00000000747D1000-0x00000000747D3000-memory.dmpFilesize
8KB
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memory/612-64-0x0000000000000000-mapping.dmp
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memory/612-68-0x0000000000080000-0x00000000000B5000-memory.dmpFilesize
212KB
-
memory/2036-63-0x0000000010000000-0x0000000010066000-memory.dmpFilesize
408KB
-
memory/2036-62-0x0000000000220000-0x00000000002A0000-memory.dmpFilesize
512KB
-
memory/2036-61-0x0000000076661000-0x0000000076663000-memory.dmpFilesize
8KB
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memory/2036-60-0x0000000000000000-mapping.dmp