Analysis
- max time kernel
125s - max time network
11s - platform
windows7_x64 - resource
win7v20201028 - submitted
22/01/2021, 22:08
Static task
static1
Behavioral task
behavioral1
Sample
aRcEZj.tmp.dll
Resource
win7v20201028
General
- Target aRcEZj.tmp.dll
- Size 552KB
- Sample210122-dp3n522ade
- SHA256 0f833d08789b9c7b5c9d23f4ddd30879ed7adc0407fe4dbb4b68aa95459b42fb
- MD5 640d9a1cb7f6afb8b39c4833a0e98ae0
- SHA1 57f526f8de39485d1ca6913ea8af06191425341d
- SHA512 883b4e2e430bbdd3b1cea0d22a0555e5b3da4280c6844ea81077d8c32b44daa5ae40ca3bad1359121eb359af63572fe5a84bf980ea5960d7831845fa40570a79
- MD5 SHA1 SHA512
Malware Config
Extracted
-
qakbot
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krk01
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1611226305
-
193.248.221.184:2222
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69.123.179.70:443
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197.45.110.165:995
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85.132.36.111:2222
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88.233.91.244:443
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149.28.98.196:2222
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207.246.116.237:995
-
45.32.211.207:995
-
149.28.101.90:995
-
207.246.116.237:2222
-
144.202.38.185:443
-
149.28.101.90:8443
-
45.32.211.207:8443
-
149.28.101.90:2222
-
207.246.77.75:443
-
207.246.116.237:443
-
45.63.107.192:2222
-
207.246.77.75:8443
-
207.246.77.75:2222
-
149.28.99.97:995
-
149.28.98.196:995
-
207.246.116.237:8443
-
149.28.98.196:443
-
45.77.115.208:443
-
149.28.99.97:2222
-
45.63.107.192:443
-
45.63.107.192:995
-
45.77.115.208:2222
-
144.202.38.185:2222
-
207.246.77.75:995
-
45.32.211.207:2222
-
144.202.38.185:995
-
45.32.211.207:443
-
149.28.99.97:443
-
149.28.101.90:443
-
106.51.52.111:443
-
83.110.12.140:2222
-
89.3.198.238:443
-
86.220.60.133:2222
-
45.77.115.208:8443
-
45.77.115.208:995
-
71.117.132.169:443
-
82.76.47.211:443
-
125.63.101.62:443
-
86.98.93.124:2078
-
178.152.70.12:995
-
78.97.207.104:443
-
77.27.174.49:995
-
173.70.165.101:995
-
64.121.114.87:443
-
188.24.128.253:443
-
89.137.211.239:995
-
80.227.5.70:443
-
81.97.154.100:443
-
98.121.187.78:443
-
42.3.8.54:443
-
31.5.21.66:995
-
80.7.129.64:995
-
84.72.35.226:443
-
188.25.63.105:443
-
140.82.49.12:443
-
216.201.162.158:443
-
2.50.2.216:443
-
75.136.40.155:443
-
79.129.252.62:2222
-
2.7.69.217:2222
-
51.9.198.164:2222
-
96.19.117.140:443
-
75.67.192.125:443
-
24.27.82.216:2222
-
105.198.236.99:443
-
95.77.223.148:443
-
97.69.160.4:2222
-
78.63.226.32:443
-
172.78.30.215:443
-
202.184.210.27:443
-
86.236.77.68:2222
-
197.161.154.132:443
-
105.198.236.101:443
-
41.205.16.179:443
-
203.106.195.67:443
-
172.87.157.235:3389
-
173.21.10.71:2222
-
27.223.92.142:995
-
86.124.93.144:443
-
217.133.54.140:32100
-
95.76.27.6:443
-
106.250.150.98:443
-
94.53.92.42:443
-
69.47.239.10:443
-
47.208.8.187:443
-
71.14.110.199:443
-
75.136.26.147:443
-
71.74.12.34:443
-
96.37.113.36:993
-
76.111.128.194:443
-
202.188.138.162:443
-
74.68.144.202:443
-
180.222.161.85:443
-
70.168.130.172:995
-
201.143.95.254:443
-
201.127.5.175:443
-
76.25.142.196:443
-
67.165.206.193:993
-
50.244.112.106:443
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90.175.88.99:2222
-
186.155.151.167:443
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24.201.61.153:2078
-
80.106.85.24:2222
-
72.204.242.138:443
-
151.60.82.200:443
-
96.227.127.13:995
-
83.110.248.121:995
-
184.189.122.72:443
-
47.146.169.85:443
-
47.22.148.6:443
-
76.94.200.148:995
-
71.197.126.250:443
-
92.59.35.196:2222
-
190.85.91.154:443
-
189.237.7.9:443
-
71.187.170.235:443
-
79.129.121.81:995
-
12.5.37.4:995
-
81.88.254.62:443
-
189.210.115.207:443
-
67.6.91.75:443
-
83.110.108.181:2222
-
24.152.219.253:995
-
108.160.123.244:443
-
50.29.166.232:995
-
105.226.208.140:443
-
45.46.53.140:2222
-
142.129.227.86:443
-
68.225.60.77:995
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184.179.14.130:22
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196.151.252.84:443
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78.96.168.18:443
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72.240.200.181:2222
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209.210.187.52:443
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74.75.237.11:443
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46.153.36.53:995
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84.232.252.202:2222
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24.43.22.218:993
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71.182.142.63:443
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31.215.69.207:443
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68.186.192.69:443
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98.116.21.115:443
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72.252.201.69:443
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151.205.102.42:443
Signatures
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1612 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1232 regsvr32.exe 1232 regsvr32.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1232 regsvr32.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1880 wrote to memory of 1232 1880 regsvr32.exe 26 PID 1880 wrote to memory of 1232 1880 regsvr32.exe 26 PID 1880 wrote to memory of 1232 1880 regsvr32.exe 26 PID 1880 wrote to memory of 1232 1880 regsvr32.exe 26 PID 1880 wrote to memory of 1232 1880 regsvr32.exe 26 PID 1880 wrote to memory of 1232 1880 regsvr32.exe 26 PID 1880 wrote to memory of 1232 1880 regsvr32.exe 26 PID 1232 wrote to memory of 1616 1232 regsvr32.exe 30 PID 1232 wrote to memory of 1616 1232 regsvr32.exe 30 PID 1232 wrote to memory of 1616 1232 regsvr32.exe 30 PID 1232 wrote to memory of 1616 1232 regsvr32.exe 30 PID 1232 wrote to memory of 1616 1232 regsvr32.exe 30 PID 1232 wrote to memory of 1616 1232 regsvr32.exe 30 PID 1616 wrote to memory of 1612 1616 explorer.exe 31 PID 1616 wrote to memory of 1612 1616 explorer.exe 31 PID 1616 wrote to memory of 1612 1616 explorer.exe 31 PID 1616 wrote to memory of 1612 1616 explorer.exe 31
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\aRcEZj.tmp.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\aRcEZj.tmp.dll2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn fmmhcbmc /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\aRcEZj.tmp.dll\"" /SC ONCE /Z /ST 23:08 /ET 23:204⤵
- Creates scheduled task(s)
PID:1612
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