Analysis
-
max time kernel
110s -
max time network
22s -
platform
windows7_x64 -
resource
win7v200722 -
submitted
19/10/2020, 23:32
Static task
static1
Behavioral task
behavioral1
Sample
document-1311924528.xls
Resource
win7v200722
Behavioral task
behavioral2
Sample
document-1311924528.xls
Resource
win10v200722
General
-
Target
document-1311924528.xls
-
Size
426KB
-
MD5
239e3f828472fc7795bc8d34d1f64410
-
SHA1
4c87db53f28684be1ffa40a3af9ff71e81349aef
-
SHA256
4672c923c8680d66f43b4f960d8b2fc6d5c1b0bfaed766849a84dde4809fb8fe
-
SHA512
33c60e63cb9a50679b3499954e4a773da48142d07f545dc36b9650418f0d3bc5aba73e6bda40970860db539e59d4fe07a0a7f7b2723636fa9ef29b35efb72fea
Malware Config
Extracted
qakbot
tr01
1602688146
73.228.1.246:443
74.109.219.145:443
76.111.128.194:443
90.175.88.99:2222
108.191.28.158:443
68.225.60.77:443
75.136.40.155:443
5.193.181.221:2078
72.204.242.138:20
118.160.162.234:443
68.14.210.246:22
148.101.74.12:443
74.222.204.82:443
96.30.198.161:443
140.82.27.132:443
2.50.131.64:443
45.32.155.12:995
45.63.104.123:443
45.32.165.134:443
217.162.149.212:443
207.246.70.216:443
200.75.136.78:443
187.155.58.60:443
166.62.183.139:2078
35.134.202.234:443
67.170.137.8:443
70.45.126.135:443
173.21.10.71:2222
96.247.181.229:443
76.167.240.21:443
67.165.206.193:993
71.80.66.107:443
81.98.133.106:443
190.63.182.214:443
71.197.126.250:443
71.220.191.200:443
24.71.28.247:443
71.56.53.127:443
24.43.22.220:993
81.133.234.36:2222
69.47.239.10:443
80.195.103.146:2222
78.96.199.79:443
65.131.47.228:995
86.121.121.14:2222
96.243.35.201:443
173.70.165.101:995
80.14.209.42:2222
2.51.221.138:995
76.170.77.99:995
46.53.38.174:443
68.116.193.239:443
187.213.152.50:995
50.244.112.10:995
2.88.42.65:995
69.47.26.41:443
151.73.121.31:443
108.46.145.30:443
71.187.170.235:443
75.136.26.147:443
134.0.196.46:995
98.118.156.172:443
199.116.241.147:443
75.137.239.211:443
103.238.231.35:443
74.75.216.202:443
184.21.136.237:443
71.182.142.63:443
78.97.3.6:443
108.190.151.108:2222
85.121.42.12:995
67.6.55.77:443
141.158.47.123:443
98.240.24.57:443
68.46.142.48:995
151.205.102.42:443
172.87.134.226:443
187.213.186.154:443
72.204.242.138:443
72.240.200.181:2222
72.36.59.46:2222
24.229.150.54:995
100.4.179.64:443
190.85.91.154:443
31.215.98.218:443
47.28.131.209:443
207.255.161.8:993
207.246.75.201:443
77.159.149.74:443
45.77.193.83:443
71.19.217.23:443
86.121.215.99:443
207.255.161.8:995
184.180.157.203:2222
108.35.13.206:443
24.122.0.90:443
67.209.195.198:443
68.190.152.98:443
72.204.242.138:465
65.30.213.13:6882
188.27.178.166:443
207.255.161.8:32103
186.154.182.103:443
72.190.101.70:443
208.99.100.129:443
63.155.8.102:995
178.222.13.77:995
70.123.92.175:2222
108.5.33.110:443
70.168.130.172:995
45.32.154.10:443
199.247.22.145:443
80.240.26.178:443
85.204.189.105:443
102.190.183.108:443
207.255.161.8:443
66.215.32.224:443
71.28.7.23:443
86.176.25.92:2222
61.230.0.156:443
207.255.161.8:32100
41.228.59.195:443
67.60.113.253:2222
117.218.208.239:443
206.183.190.53:993
184.98.103.204:995
134.228.24.29:443
66.97.247.15:443
72.204.242.138:50001
72.204.242.138:32100
66.26.160.37:443
86.98.89.172:2222
72.82.15.220:443
24.37.178.158:443
47.44.217.98:443
72.204.242.138:995
95.179.247.224:443
172.78.30.215:443
39.36.156.196:995
24.234.86.201:995
71.163.222.203:443
72.204.242.138:53
93.149.253.201:2222
108.30.125.94:443
84.247.55.190:443
89.42.142.35:443
98.16.204.189:995
45.32.155.12:2222
72.204.242.138:32102
Signatures
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Executes dropped EXE 5 IoCs
pid Process 320 szvmhegu.exe 1216 szvmhegu.exe 820 estluin.exe 1268 estluin.exe 968 szvmhegu.exe -
Loads dropped DLL 2 IoCs
pid Process 320 szvmhegu.exe 320 szvmhegu.exe -
Office loads VBA resources, possible macro or embedded object present
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1360 schtasks.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 648 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 320 szvmhegu.exe 1216 szvmhegu.exe 1216 szvmhegu.exe 820 estluin.exe 1268 estluin.exe 1268 estluin.exe 1396 explorer.exe 1396 explorer.exe 968 szvmhegu.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 820 estluin.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 648 EXCEL.EXE 648 EXCEL.EXE 648 EXCEL.EXE 648 EXCEL.EXE 648 EXCEL.EXE -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 648 wrote to memory of 320 648 EXCEL.EXE 30 PID 648 wrote to memory of 320 648 EXCEL.EXE 30 PID 648 wrote to memory of 320 648 EXCEL.EXE 30 PID 648 wrote to memory of 320 648 EXCEL.EXE 30 PID 320 wrote to memory of 1216 320 szvmhegu.exe 31 PID 320 wrote to memory of 1216 320 szvmhegu.exe 31 PID 320 wrote to memory of 1216 320 szvmhegu.exe 31 PID 320 wrote to memory of 1216 320 szvmhegu.exe 31 PID 320 wrote to memory of 820 320 szvmhegu.exe 32 PID 320 wrote to memory of 820 320 szvmhegu.exe 32 PID 320 wrote to memory of 820 320 szvmhegu.exe 32 PID 320 wrote to memory of 820 320 szvmhegu.exe 32 PID 320 wrote to memory of 1360 320 szvmhegu.exe 33 PID 320 wrote to memory of 1360 320 szvmhegu.exe 33 PID 320 wrote to memory of 1360 320 szvmhegu.exe 33 PID 320 wrote to memory of 1360 320 szvmhegu.exe 33 PID 820 wrote to memory of 1268 820 estluin.exe 35 PID 820 wrote to memory of 1268 820 estluin.exe 35 PID 820 wrote to memory of 1268 820 estluin.exe 35 PID 820 wrote to memory of 1268 820 estluin.exe 35 PID 820 wrote to memory of 1396 820 estluin.exe 36 PID 820 wrote to memory of 1396 820 estluin.exe 36 PID 820 wrote to memory of 1396 820 estluin.exe 36 PID 820 wrote to memory of 1396 820 estluin.exe 36 PID 820 wrote to memory of 1396 820 estluin.exe 36 PID 1928 wrote to memory of 968 1928 taskeng.exe 38 PID 1928 wrote to memory of 968 1928 taskeng.exe 38 PID 1928 wrote to memory of 968 1928 taskeng.exe 38 PID 1928 wrote to memory of 968 1928 taskeng.exe 38
Processes
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C:\Program Files\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1311924528.xls1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:648 -
C:\WErtu\Reterd\szvmhegu.exe"C:\WErtu\Reterd\szvmhegu.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:320 -
C:\WErtu\Reterd\szvmhegu.exeC:\WErtu\Reterd\szvmhegu.exe /C3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1216
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-
C:\Users\Admin\AppData\Roaming\Microsoft\Kerein\estluin.exeC:\Users\Admin\AppData\Roaming\Microsoft\Kerein\estluin.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:820 -
C:\Users\Admin\AppData\Roaming\Microsoft\Kerein\estluin.exeC:\Users\Admin\AppData\Roaming\Microsoft\Kerein\estluin.exe /C4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1268
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-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Suspicious behavior: EnumeratesProcesses
PID:1396
-
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn hxucmxwa /tr "\"C:\WErtu\Reterd\szvmhegu.exe\" /I hxucmxwa" /SC ONCE /Z /ST 01:31 /ET 01:433⤵
- Creates scheduled task(s)
PID:1360
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-
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C:\Windows\system32\taskeng.exetaskeng.exe {88520026-0528-4BA0-A812-1F82662406F2} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\WErtu\Reterd\szvmhegu.exeC:\WErtu\Reterd\szvmhegu.exe /I hxucmxwa2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:968
-