Analysis
-
max time kernel
122s -
max time network
128s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
22-12-2021 17:29
Static task
static1
Behavioral task
behavioral1
Sample
1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll
Resource
win7-en-20211208
General
-
Target
1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll
-
Size
1.8MB
-
MD5
18395aac0377ac8ce575344f6717bcb9
-
SHA1
f5af9d161d5369fb0270a671d5505805a3140204
-
SHA256
1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd
-
SHA512
ac3a524b37a396b878ee131704213e32cf14044892ab49cae9ce8a4721dfb28e590787d03e5b93bd1b0706d762e95557c48827c29521b130ed2983d540a31868
Malware Config
Extracted
qakbot
403.10
cullinan
1640170781
14.96.108.245:61202
182.191.92.203:995
136.232.34.70:443
93.48.80.198:995
140.82.49.12:443
32.221.229.7:443
24.152.219.253:995
31.35.28.29:443
96.37.113.36:993
190.39.205.165:443
79.173.195.234:443
39.49.66.100:995
103.139.242.30:22
79.167.192.206:995
45.9.20.200:2211
24.95.61.62:443
37.210.226.125:61202
103.139.242.30:995
70.163.1.219:443
103.143.8.71:6881
76.169.147.192:32103
136.143.11.232:443
63.153.187.104:443
24.53.49.240:443
94.200.181.154:995
149.135.101.20:443
67.209.195.198:443
209.210.95.228:32100
96.80.109.57:995
80.14.196.176:2222
38.70.253.226:2222
24.222.20.254:443
102.65.38.67:443
217.128.93.27:2222
106.51.48.170:50001
218.101.110.3:995
82.152.39.39:443
24.178.196.158:2222
74.15.2.252:2222
103.142.10.177:443
217.165.123.47:61200
89.101.97.139:443
120.150.218.241:995
117.248.109.38:21
190.73.3.148:2222
105.106.30.144:443
186.64.87.213:443
96.21.251.127:2222
111.125.245.116:995
182.176.180.73:443
188.159.111.126:443
178.153.86.181:443
31.215.70.105:443
73.151.236.31:443
121.175.104.13:32100
182.56.66.96:443
41.228.22.180:443
217.164.247.241:2222
103.139.242.30:990
173.21.10.71:2222
59.6.7.83:61200
121.175.104.13:443
76.25.142.196:443
71.74.12.34:443
94.60.254.81:443
201.172.31.95:80
187.162.59.232:995
65.100.174.110:8443
100.1.119.41:443
70.51.134.181:2222
79.160.207.214:443
40.134.247.125:995
70.224.68.92:443
105.198.236.99:995
173.25.166.81:443
176.205.152.44:443
108.4.67.252:443
109.12.111.14:443
24.55.112.61:443
50.237.134.22:995
189.174.46.65:995
75.188.35.168:443
187.189.86.168:443
114.79.148.170:443
176.24.150.197:443
95.5.133.68:995
86.98.52.117:443
200.54.14.34:80
72.252.201.34:995
103.139.242.30:443
103.139.242.30:465
103.139.242.30:993
78.101.89.174:2222
78.101.89.174:443
73.5.119.219:443
23.233.146.92:443
89.137.52.44:443
74.5.148.57:443
68.186.192.69:443
50.33.112.74:995
70.93.80.154:995
75.169.58.229:32100
63.143.92.99:995
217.39.100.89:443
46.9.77.245:995
173.71.147.134:995
75.110.250.187:443
185.249.85.205:443
65.100.174.110:443
82.78.212.133:443
83.110.107.123:443
59.88.168.108:443
65.128.74.102:443
67.165.206.193:993
68.204.7.158:443
78.101.82.198:995
80.6.192.58:443
41.97.234.150:995
114.79.145.28:443
188.54.96.91:443
50.238.6.36:443
217.165.11.65:61200
103.143.8.71:995
2.178.67.97:61202
86.198.237.51:2222
88.253.171.236:995
187.172.146.123:443
92.167.4.71:2222
189.30.244.252:995
194.36.28.26:443
84.199.230.66:443
14.96.67.177:443
182.56.57.23:995
87.70.118.51:443
93.48.58.123:2222
69.46.15.180:443
23.82.128.108:443
5.36.7.212:443
200.75.131.234:443
82.77.137.101:995
187.201.90.81:443
201.172.31.95:443
216.238.72.121:443
216.238.71.31:995
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
-
Drops file in System32 directory 1 IoCs
Processes:
regsvr32.exedescription ioc process File opened for modification C:\Windows\System32\CatRoot2\dberr.txt 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 2644 regsvr32.exe 2644 regsvr32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
regsvr32.exepid process 2644 regsvr32.exe -
Suspicious use of FindShellTrayWindow 20 IoCs
Processes:
regsvr32.exepid process 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe -
Suspicious use of SendNotifyMessage 20 IoCs
Processes:
regsvr32.exepid process 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe 2644 regsvr32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
regsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 2568 wrote to memory of 2644 2568 regsvr32.exe regsvr32.exe PID 2568 wrote to memory of 2644 2568 regsvr32.exe regsvr32.exe PID 2568 wrote to memory of 2644 2568 regsvr32.exe regsvr32.exe PID 2644 wrote to memory of 1808 2644 regsvr32.exe explorer.exe PID 2644 wrote to memory of 1808 2644 regsvr32.exe explorer.exe PID 2644 wrote to memory of 1808 2644 regsvr32.exe explorer.exe PID 2644 wrote to memory of 1808 2644 regsvr32.exe explorer.exe PID 2644 wrote to memory of 1808 2644 regsvr32.exe explorer.exe PID 1808 wrote to memory of 3784 1808 explorer.exe schtasks.exe PID 1808 wrote to memory of 3784 1808 explorer.exe schtasks.exe PID 1808 wrote to memory of 3784 1808 explorer.exe schtasks.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- 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 ofusieeg /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\1992d7aa88249b15f7ba0936e1656cdd9aaf0fec81346afa8dc363c11293addd.dll\"" /SC ONCE /Z /ST 17:32 /ET 17:444⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1808-118-0x0000000000000000-mapping.dmp
-
memory/1808-120-0x0000000002B70000-0x0000000002B71000-memory.dmpFilesize
4KB
-
memory/1808-121-0x0000000002B70000-0x0000000002B71000-memory.dmpFilesize
4KB
-
memory/1808-122-0x0000000002570000-0x0000000002591000-memory.dmpFilesize
132KB
-
memory/2644-115-0x0000000000000000-mapping.dmp
-
memory/2644-117-0x0000000010000000-0x00000000101DC000-memory.dmpFilesize
1.9MB
-
memory/2644-116-0x00000000005F0000-0x00000000005F1000-memory.dmpFilesize
4KB
-
memory/3784-119-0x0000000000000000-mapping.dmp