Analysis
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max time kernel
121s -
max time network
43s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
30-09-2021 19:51
Static task
static1
Behavioral task
behavioral1
Sample
ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75.dll
Resource
win7-en-20210920
General
-
Target
ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75.dll
-
Size
436KB
-
MD5
1002d5fa61052e9d8f7dc1d539c5ae69
-
SHA1
286d7d2b507be8165b3a451ab5e8e26d32f13909
-
SHA256
ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75
-
SHA512
3e044db07af38841ac832fa8590ad1fe111bab49b72296b260acae665fac7e0251035967da0d8711090fa8c1cb1b570a3432ad4514e4f01d493d7c6a4039edab
Malware Config
Extracted
qakbot
402.363
tr
1632817399
105.198.236.99:443
140.82.49.12:443
37.210.152.224:995
89.101.97.139:443
81.241.252.59:2078
27.223.92.142:995
81.250.153.227:2222
73.151.236.31:443
47.22.148.6:443
122.11.220.212:2222
120.151.47.189:443
199.27.127.129:443
216.201.162.158:443
136.232.34.70:443
76.25.142.196:443
181.118.183.94:443
120.150.218.241:995
185.250.148.74:443
95.77.223.148:443
75.66.88.33:443
45.46.53.140:2222
173.25.166.81:443
103.148.120.144:443
173.21.10.71:2222
186.18.205.199:995
71.74.12.34:443
67.165.206.193:993
47.40.196.233:2222
68.204.7.158:443
24.229.150.54:995
109.12.111.14:443
177.130.82.197:2222
72.252.201.69:443
24.55.112.61:443
24.139.72.117:443
187.156.138.172:443
71.80.168.245:443
105.157.55.133:995
82.77.137.101:995
173.234.155.233:443
75.188.35.168:443
5.238.149.235:61202
73.77.87.137:443
182.176.112.182:443
96.37.113.36:993
162.244.227.34:443
92.59.35.196:2222
196.218.227.241:995
68.207.102.78:443
2.188.27.77:443
189.210.115.207:443
181.163.96.53:443
75.107.26.196:465
185.250.148.74:2222
68.186.192.69:443
Signatures
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1156 regsvr32.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
rundll32.exepid process 612 rundll32.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
rundll32.exepid process 612 rundll32.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exedescription pid process target process PID 1080 wrote to memory of 612 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 612 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 612 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 612 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 612 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 612 1080 rundll32.exe rundll32.exe PID 1080 wrote to memory of 612 1080 rundll32.exe rundll32.exe PID 612 wrote to memory of 952 612 rundll32.exe explorer.exe PID 612 wrote to memory of 952 612 rundll32.exe explorer.exe PID 612 wrote to memory of 952 612 rundll32.exe explorer.exe PID 612 wrote to memory of 952 612 rundll32.exe explorer.exe PID 612 wrote to memory of 952 612 rundll32.exe explorer.exe PID 612 wrote to memory of 952 612 rundll32.exe explorer.exe PID 952 wrote to memory of 964 952 explorer.exe schtasks.exe PID 952 wrote to memory of 964 952 explorer.exe schtasks.exe PID 952 wrote to memory of 964 952 explorer.exe schtasks.exe PID 952 wrote to memory of 964 952 explorer.exe schtasks.exe PID 1764 wrote to memory of 684 1764 taskeng.exe regsvr32.exe PID 1764 wrote to memory of 684 1764 taskeng.exe regsvr32.exe PID 1764 wrote to memory of 684 1764 taskeng.exe regsvr32.exe PID 1764 wrote to memory of 684 1764 taskeng.exe regsvr32.exe PID 1764 wrote to memory of 684 1764 taskeng.exe regsvr32.exe PID 684 wrote to memory of 1156 684 regsvr32.exe regsvr32.exe PID 684 wrote to memory of 1156 684 regsvr32.exe regsvr32.exe PID 684 wrote to memory of 1156 684 regsvr32.exe regsvr32.exe PID 684 wrote to memory of 1156 684 regsvr32.exe regsvr32.exe PID 684 wrote to memory of 1156 684 regsvr32.exe regsvr32.exe PID 684 wrote to memory of 1156 684 regsvr32.exe regsvr32.exe PID 684 wrote to memory of 1156 684 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75.dll,#12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn cxkuindznq /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75.dll\"" /SC ONCE /Z /ST 19:54 /ET 20:064⤵
- Creates scheduled task(s)
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C:\Windows\system32\taskeng.exetaskeng.exe {AB9EA0BB-FE33-4B08-81D4-E0584A70F069} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exeregsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75.dll"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75.dll"3⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75.dllMD5
1002d5fa61052e9d8f7dc1d539c5ae69
SHA1286d7d2b507be8165b3a451ab5e8e26d32f13909
SHA256ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75
SHA5123e044db07af38841ac832fa8590ad1fe111bab49b72296b260acae665fac7e0251035967da0d8711090fa8c1cb1b570a3432ad4514e4f01d493d7c6a4039edab
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\Users\Admin\AppData\Local\Temp\ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75.dllMD5
1002d5fa61052e9d8f7dc1d539c5ae69
SHA1286d7d2b507be8165b3a451ab5e8e26d32f13909
SHA256ef11f4669898bc77d8b336d72cc127066b0fe1fe94cd75cbbf3e548f894f2d75
SHA5123e044db07af38841ac832fa8590ad1fe111bab49b72296b260acae665fac7e0251035967da0d8711090fa8c1cb1b570a3432ad4514e4f01d493d7c6a4039edab
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memory/612-53-0x0000000000000000-mapping.dmp
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memory/612-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmpFilesize
8KB
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memory/612-56-0x0000000010000000-0x000000001007E000-memory.dmpFilesize
504KB
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memory/612-55-0x0000000010000000-0x0000000010021000-memory.dmpFilesize
132KB
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memory/612-57-0x0000000000100000-0x0000000000101000-memory.dmpFilesize
4KB
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memory/684-63-0x0000000000000000-mapping.dmp
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memory/684-64-0x000007FEFBFC1000-0x000007FEFBFC3000-memory.dmpFilesize
8KB
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memory/952-62-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
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memory/952-60-0x0000000074C01000-0x0000000074C03000-memory.dmpFilesize
8KB
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memory/952-58-0x0000000000000000-mapping.dmp
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memory/964-61-0x0000000000000000-mapping.dmp
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memory/1156-66-0x0000000000000000-mapping.dmp