Analysis
-
max time kernel
149s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
23-06-2022 15:54
Static task
static1
Behavioral task
behavioral1
Sample
C.dll
Resource
win7-20220414-en
General
-
Target
C.dll
-
Size
1.1MB
-
MD5
8b81e6a7702f58b93fdc2b57ab401ffb
-
SHA1
2990b8adc8891564c404190bedab55df5027da32
-
SHA256
500f85201bcfc0ae49204bd31ed4f055cac1b0b7f8e74339907f5c14b8e711a8
-
SHA512
957929d5000d17bd44d9ef21b5b1d6bf3c1e153527000ad545cec7fc8ed9470e15fb4c7316acfd66d3004cc109f2fc483daaebbc27ff1264fc6539c827618659
Malware Config
Extracted
qakbot
403.780
AA
1655971687
38.70.253.226:2222
47.23.89.60:993
120.150.218.241:995
117.248.109.38:21
37.34.253.233:443
86.132.14.70:2078
111.125.245.116:995
217.165.85.191:993
176.45.232.204:995
5.32.41.45:443
93.48.80.198:995
100.38.242.113:995
94.59.252.166:2222
74.14.5.179:2222
71.13.93.154:2222
193.253.44.249:2222
108.60.213.141:443
45.241.231.78:993
217.128.122.65:2222
40.134.246.185:995
1.161.124.241:443
70.46.220.114:443
24.43.99.75:443
32.221.224.140:995
80.11.74.81:2222
31.215.184.140:2222
39.49.85.29:995
67.209.195.198:443
186.90.153.162:2222
148.64.96.100:443
67.165.206.193:993
210.246.4.69:995
208.107.221.224:443
89.101.97.139:443
88.234.116.71:443
121.7.223.45:2222
104.34.212.7:32103
69.14.172.24:443
41.228.22.180:443
197.87.182.60:443
24.178.196.158:2222
1.161.124.241:995
189.78.107.163:32101
39.52.74.55:995
2.34.12.8:443
182.191.92.203:995
173.21.10.71:2222
39.41.2.45:995
90.114.10.16:2222
184.97.29.26:443
76.25.142.196:443
47.156.129.52:443
24.55.67.176:443
190.252.242.69:443
70.51.132.161:2222
72.252.157.93:995
90.120.209.197:2078
72.252.157.93:993
72.252.157.93:990
177.45.64.254:32101
24.139.72.117:443
187.250.202.2:443
94.36.193.176:2222
109.12.111.14:443
89.86.33.217:443
179.158.105.44:443
63.143.92.99:995
45.46.53.140:2222
31.215.67.68:2222
188.136.218.225:61202
187.208.115.219:443
31.215.184.140:1194
39.57.60.246:995
24.122.142.181:443
84.241.8.23:32103
191.250.120.152:443
202.134.152.2:2222
91.177.173.10:995
148.0.43.48:443
172.115.177.204:2222
81.193.30.90:443
68.204.15.28:443
197.94.94.206:443
87.109.229.215:995
102.182.232.3:995
196.203.37.215:80
81.250.191.49:2222
83.110.94.105:443
201.176.6.24:995
173.174.216.62:443
31.215.70.37:443
175.145.235.37:443
174.69.215.101:443
187.172.164.12:443
201.172.23.68:2222
41.84.249.56:995
191.34.121.84:443
113.53.152.11:443
86.195.158.178:2222
109.228.220.196:443
82.41.63.217:443
82.152.39.39:443
106.51.48.188:50001
103.246.242.202:443
41.38.167.179:995
98.50.191.202:443
185.56.243.146:443
191.112.28.64:443
39.44.30.209:995
47.157.227.70:443
187.251.132.144:22
31.35.28.29:443
148.252.133.168:443
42.103.132.91:2222
180.129.108.214:995
138.186.28.253:443
89.137.52.44:443
120.61.2.218:443
122.118.129.227:995
124.109.35.171:995
75.99.168.194:61201
103.91.182.114:2222
37.210.156.247:2222
58.105.167.36:50000
187.207.131.50:61202
76.70.9.169:2222
187.211.80.39:443
176.67.56.94:443
103.116.178.85:995
143.0.219.6:995
79.80.80.29:2222
-
salt
jHxastDcds)oMc=jvh7wdUhxcsdt2
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 620 regsvr32.exe -
Drops file in System32 directory 1 IoCs
Processes:
powershell.exedescription ioc process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Modifies data under HKEY_USERS 2 IoCs
Processes:
powershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 603342802a87d801 powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exeexplorer.exepowershell.exepid process 1672 rundll32.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 524 powershell.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe 980 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 1672 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 524 powershell.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exepowershell.exeregsvr32.exedescription pid process target process PID 740 wrote to memory of 1672 740 rundll32.exe rundll32.exe PID 740 wrote to memory of 1672 740 rundll32.exe rundll32.exe PID 740 wrote to memory of 1672 740 rundll32.exe rundll32.exe PID 740 wrote to memory of 1672 740 rundll32.exe rundll32.exe PID 740 wrote to memory of 1672 740 rundll32.exe rundll32.exe PID 740 wrote to memory of 1672 740 rundll32.exe rundll32.exe PID 740 wrote to memory of 1672 740 rundll32.exe rundll32.exe PID 1672 wrote to memory of 980 1672 rundll32.exe explorer.exe PID 1672 wrote to memory of 980 1672 rundll32.exe explorer.exe PID 1672 wrote to memory of 980 1672 rundll32.exe explorer.exe PID 1672 wrote to memory of 980 1672 rundll32.exe explorer.exe PID 1672 wrote to memory of 980 1672 rundll32.exe explorer.exe PID 1672 wrote to memory of 980 1672 rundll32.exe explorer.exe PID 980 wrote to memory of 1952 980 explorer.exe schtasks.exe PID 980 wrote to memory of 1952 980 explorer.exe schtasks.exe PID 980 wrote to memory of 1952 980 explorer.exe schtasks.exe PID 980 wrote to memory of 1952 980 explorer.exe schtasks.exe PID 1168 wrote to memory of 524 1168 taskeng.exe powershell.exe PID 1168 wrote to memory of 524 1168 taskeng.exe powershell.exe PID 1168 wrote to memory of 524 1168 taskeng.exe powershell.exe PID 524 wrote to memory of 1096 524 powershell.exe regsvr32.exe PID 524 wrote to memory of 1096 524 powershell.exe regsvr32.exe PID 524 wrote to memory of 1096 524 powershell.exe regsvr32.exe PID 524 wrote to memory of 1096 524 powershell.exe regsvr32.exe PID 524 wrote to memory of 1096 524 powershell.exe regsvr32.exe PID 1096 wrote to memory of 620 1096 regsvr32.exe regsvr32.exe PID 1096 wrote to memory of 620 1096 regsvr32.exe regsvr32.exe PID 1096 wrote to memory of 620 1096 regsvr32.exe regsvr32.exe PID 1096 wrote to memory of 620 1096 regsvr32.exe regsvr32.exe PID 1096 wrote to memory of 620 1096 regsvr32.exe regsvr32.exe PID 1096 wrote to memory of 620 1096 regsvr32.exe regsvr32.exe PID 1096 wrote to memory of 620 1096 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\C.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\C.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /Z /ST 17:56 /tn lsetlydlgr /ET 18:07 /tr "powershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAQwAuAGQAbABsACIA" /SC ONCE4⤵
- Creates scheduled task(s)
-
C:\Windows\system32\taskeng.exetaskeng.exe {5E609F33-84F1-4C58-9272-7B0F155986C5} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -encodedCommand cgBlAGcAcwB2AHIAMwAyAC4AZQB4AGUAIAAiAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwAQwAuAGQAbABsACIA2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exe"C:\Windows\system32\regsvr32.exe" C:\Users\Admin\AppData\Local\Temp\C.dll3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exeC:\Users\Admin\AppData\Local\Temp\C.dll4⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\C.dllFilesize
1.1MB
MD58b81e6a7702f58b93fdc2b57ab401ffb
SHA12990b8adc8891564c404190bedab55df5027da32
SHA256500f85201bcfc0ae49204bd31ed4f055cac1b0b7f8e74339907f5c14b8e711a8
SHA512957929d5000d17bd44d9ef21b5b1d6bf3c1e153527000ad545cec7fc8ed9470e15fb4c7316acfd66d3004cc109f2fc483daaebbc27ff1264fc6539c827618659
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\Users\Admin\AppData\Local\Temp\C.dllFilesize
1.1MB
MD58b81e6a7702f58b93fdc2b57ab401ffb
SHA12990b8adc8891564c404190bedab55df5027da32
SHA256500f85201bcfc0ae49204bd31ed4f055cac1b0b7f8e74339907f5c14b8e711a8
SHA512957929d5000d17bd44d9ef21b5b1d6bf3c1e153527000ad545cec7fc8ed9470e15fb4c7316acfd66d3004cc109f2fc483daaebbc27ff1264fc6539c827618659
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memory/524-69-0x0000000000000000-mapping.dmp
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memory/524-70-0x000007FEFB721000-0x000007FEFB723000-memory.dmpFilesize
8KB
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memory/524-71-0x000007FEF33A0000-0x000007FEF3DC3000-memory.dmpFilesize
10.1MB
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memory/524-74-0x0000000000980000-0x0000000000A00000-memory.dmpFilesize
512KB
-
memory/524-73-0x0000000000980000-0x0000000000A00000-memory.dmpFilesize
512KB
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memory/524-72-0x000007FEF2840000-0x000007FEF339D000-memory.dmpFilesize
11.4MB
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memory/620-83-0x0000000000360000-0x0000000000382000-memory.dmpFilesize
136KB
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memory/620-85-0x0000000000310000-0x0000000000332000-memory.dmpFilesize
136KB
-
memory/620-84-0x0000000000360000-0x0000000000382000-memory.dmpFilesize
136KB
-
memory/620-82-0x0000000000360000-0x0000000000382000-memory.dmpFilesize
136KB
-
memory/620-81-0x00000000007E0000-0x00000000008ED000-memory.dmpFilesize
1.1MB
-
memory/620-78-0x0000000000000000-mapping.dmp
-
memory/620-86-0x0000000000360000-0x0000000000382000-memory.dmpFilesize
136KB
-
memory/980-64-0x0000000074241000-0x0000000074243000-memory.dmpFilesize
8KB
-
memory/980-68-0x0000000000080000-0x00000000000A2000-memory.dmpFilesize
136KB
-
memory/980-62-0x0000000000000000-mapping.dmp
-
memory/980-66-0x0000000000080000-0x00000000000A2000-memory.dmpFilesize
136KB
-
memory/1096-75-0x0000000000000000-mapping.dmp
-
memory/1672-57-0x00000000002C0000-0x00000000002E2000-memory.dmpFilesize
136KB
-
memory/1672-56-0x0000000000390000-0x000000000049D000-memory.dmpFilesize
1.1MB
-
memory/1672-65-0x00000000002C0000-0x00000000002E2000-memory.dmpFilesize
136KB
-
memory/1672-55-0x0000000075871000-0x0000000075873000-memory.dmpFilesize
8KB
-
memory/1672-61-0x00000000002C0000-0x00000000002E2000-memory.dmpFilesize
136KB
-
memory/1672-60-0x0000000000260000-0x0000000000282000-memory.dmpFilesize
136KB
-
memory/1672-58-0x00000000002C0000-0x00000000002E2000-memory.dmpFilesize
136KB
-
memory/1672-59-0x00000000002C0000-0x00000000002E2000-memory.dmpFilesize
136KB
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memory/1672-54-0x0000000000000000-mapping.dmp
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memory/1952-67-0x0000000000000000-mapping.dmp