Analysis
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max time kernel
102s -
max time network
79s -
platform
windows7_x64 -
resource
win7 -
submitted
20/10/2020, 22:23
Static task
static1
Behavioral task
behavioral1
Sample
doc_pack-334255853.xls
Resource
win7
Behavioral task
behavioral2
Sample
doc_pack-334255853.xls
Resource
win10v200722
General
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Target
doc_pack-334255853.xls
-
Size
62KB
-
MD5
7a0c85f988d75c1fb29c5e1fbf2fd8a2
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SHA1
977b4ec8f6094b975d766ca5c737b59ccc725520
-
SHA256
4d4e577b8f11d978d6b240970a88ed4ba69ac3e47da2a850f2f964ef8f23fe9c
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SHA512
7d0696ae77b5fbf96c5d73492f13ecd4e3dd7b47b33533a63d2ea667d07c4c966755da9150c153c34fbde4f5988399bbd9dbad6243aab3630a9516c21601f82b
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 1496 szvMhegn.exe 1020 szvMhegn.exe 844 nsaaurm.exe 528 nsaaurm.exe 1948 szvMhegn.exe -
Loads dropped DLL 2 IoCs
pid Process 1496 szvMhegn.exe 1496 szvMhegn.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 692 schtasks.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1152 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1496 szvMhegn.exe 1020 szvMhegn.exe 1020 szvMhegn.exe 844 nsaaurm.exe 528 nsaaurm.exe 528 nsaaurm.exe 584 explorer.exe 584 explorer.exe 1948 szvMhegn.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 844 nsaaurm.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE 1152 EXCEL.EXE -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 1152 wrote to memory of 1496 1152 EXCEL.EXE 30 PID 1152 wrote to memory of 1496 1152 EXCEL.EXE 30 PID 1152 wrote to memory of 1496 1152 EXCEL.EXE 30 PID 1152 wrote to memory of 1496 1152 EXCEL.EXE 30 PID 1496 wrote to memory of 1020 1496 szvMhegn.exe 31 PID 1496 wrote to memory of 1020 1496 szvMhegn.exe 31 PID 1496 wrote to memory of 1020 1496 szvMhegn.exe 31 PID 1496 wrote to memory of 1020 1496 szvMhegn.exe 31 PID 1496 wrote to memory of 844 1496 szvMhegn.exe 32 PID 1496 wrote to memory of 844 1496 szvMhegn.exe 32 PID 1496 wrote to memory of 844 1496 szvMhegn.exe 32 PID 1496 wrote to memory of 844 1496 szvMhegn.exe 32 PID 1496 wrote to memory of 692 1496 szvMhegn.exe 33 PID 1496 wrote to memory of 692 1496 szvMhegn.exe 33 PID 1496 wrote to memory of 692 1496 szvMhegn.exe 33 PID 1496 wrote to memory of 692 1496 szvMhegn.exe 33 PID 844 wrote to memory of 528 844 nsaaurm.exe 35 PID 844 wrote to memory of 528 844 nsaaurm.exe 35 PID 844 wrote to memory of 528 844 nsaaurm.exe 35 PID 844 wrote to memory of 528 844 nsaaurm.exe 35 PID 844 wrote to memory of 584 844 nsaaurm.exe 36 PID 844 wrote to memory of 584 844 nsaaurm.exe 36 PID 844 wrote to memory of 584 844 nsaaurm.exe 36 PID 844 wrote to memory of 584 844 nsaaurm.exe 36 PID 844 wrote to memory of 584 844 nsaaurm.exe 36 PID 1860 wrote to memory of 1948 1860 taskeng.exe 38 PID 1860 wrote to memory of 1948 1860 taskeng.exe 38 PID 1860 wrote to memory of 1948 1860 taskeng.exe 38 PID 1860 wrote to memory of 1948 1860 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\doc_pack-334255853.xls1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\COsuv\Wegerb\szvMhegn.exe"C:\COsuv\Wegerb\szvMhegn.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\COsuv\Wegerb\szvMhegn.exeC:\COsuv\Wegerb\szvMhegn.exe /C3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1020
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C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exeC:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:844 -
C:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exeC:\Users\Admin\AppData\Roaming\Microsoft\Cwmykkefb\nsaaurm.exe /C4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:528
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Suspicious behavior: EnumeratesProcesses
PID:584
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-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn rhwriuifwg /tr "\"C:\COsuv\Wegerb\szvMhegn.exe\" /I rhwriuifwg" /SC ONCE /Z /ST 22:34 /ET 22:463⤵
- Creates scheduled task(s)
PID:692
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-
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C:\Windows\system32\taskeng.exetaskeng.exe {B4E4B4E9-7428-4876-AC3A-286693B3BC83} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
PID:1860 -
C:\COsuv\Wegerb\szvMhegn.exeC:\COsuv\Wegerb\szvMhegn.exe /I rhwriuifwg2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1948
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