Analysis
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max time kernel
144s -
max time network
23s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
30-09-2021 15:18
Static task
static1
Behavioral task
behavioral1
Sample
687550f98527483a1c49ab185a2105ea.dll
Resource
win7-en-20210920
General
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Target
687550f98527483a1c49ab185a2105ea.dll
-
Size
471KB
-
MD5
687550f98527483a1c49ab185a2105ea
-
SHA1
42d0db4cdc64e1fc2e57025f031f285cf0ba45a3
-
SHA256
6f63742c25fd3a2dae5995f182254c253003066488ef86e754f661e8ba1d76fd
-
SHA512
2b92d4cb037c0a6dd6855819d8e44ec036bc3fac71d7c2ee537bb6dfe907888b69b97958ebaa7b102e473f76ce6d1811ce090fb1e7ab38c18d2b1c6098403fc5
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 932 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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Modifies data under HKEY_USERS 10 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp\635e212 = e5092344eccdb2d8a47416df0a8b7a4ad717d04e22f2be2c7bf7a681cc95b8bbbaaaf8a15ef90e904227f19a446953ce24a9b172263e585027c3fa1c31b446b7ea3cdd732636c6caa30b63815b explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp\33aa325c = 1e115446be59283e279e351cc95059b13b419f163caa1d7241f58293900cc59da33942658ab297ea70d152b792394b395c26d6b7d03b8ece304d136c3dd6715e9195cfb8ff239648e3ac35a9e41155f856f0e739c7f6fc8863f7d6d7a0f000e610f682a3a691340aedce629f28 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp\4ce35daa = 7c5773e9c25b5effb459882ac6d1f50e8c708c7aff55bf0df48138d439ede4a000e4e49ee78e4d58c2ffe000feb5eca2f04e7835f9fa83bbbc6cf4db6dbcceef5aa7330f8a5ab6d105f315e94afefdc60d636836e52aac008d04e5459277478633e7f2b0e0 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp\c1c0ea81 = eca523a67ded8449dc3f9cf837e566c6243b21eddcbacaa63638af96556c61ffc7d163dee8cf7836ba42b844f92e825b9ed7532b320eea7cd28d05eba31d54b8 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp\4ce35daa = 7c5764e9c25b6bca33501fb029963811bc44879b81716e45c85554c94e447824060ed06d62f3455a8517cea96a7ec79faedf6e19d43ddbb5cc7c0e05c1a674512ed431c743a810b59578f47d188b64d1 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp\797c8de4 = 5f01e2a12b9731ab5c385c6446f84b5c5418df0ca2eb6c6e11b376be9e26edd12f194e02fcef28f656d506f1cd44eccb9ebdef092c1d5b4479e47a8b3d9f309572ac5b0ebb0242d28dd933b01e4379e8dc9381ff4dc2106ef4b56a65d4a90230b2f522242657758c explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp\7b3dad98 = 4c47aaf9592be888ab25f4ce14634739b1b0aeb98acbf08bb6833d5e5e301c06043bdf00ee0e0a366931aa6de74a0b29825847a9cec58b18 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp\c381cafd = fb60767e5079d0886ed8e15c58f90a2bd2d711bf6113104462f89581bbbc44de746f28e1b0e1db47288b5502cd1f9bd2969a158336d72d8a64ed671759a104edb0bf092a9bedf6ee8839ef854bf4083e14183951bf10390e80 explorer.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Hsykuyejkmp\be898577 = 8b89b1c272c36fe3dbc32c2f4783b9ed3dd738a30bd8351dbdde122ee453e3c6d0e214d81fd8b9d77894e8720dd3859880f2bd314632101f596fefcf4b9c8522b80f3e0b90eb663744b6ee0a72 explorer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 1256 rundll32.exe 932 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
rundll32.exeregsvr32.exepid process 1256 rundll32.exe 932 regsvr32.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
rundll32.exerundll32.exeexplorer.exetaskeng.exeregsvr32.exeregsvr32.exeexplorer.exedescription pid process target process PID 1236 wrote to memory of 1256 1236 rundll32.exe rundll32.exe PID 1236 wrote to memory of 1256 1236 rundll32.exe rundll32.exe PID 1236 wrote to memory of 1256 1236 rundll32.exe rundll32.exe PID 1236 wrote to memory of 1256 1236 rundll32.exe rundll32.exe PID 1236 wrote to memory of 1256 1236 rundll32.exe rundll32.exe PID 1236 wrote to memory of 1256 1236 rundll32.exe rundll32.exe PID 1236 wrote to memory of 1256 1236 rundll32.exe rundll32.exe PID 1256 wrote to memory of 1632 1256 rundll32.exe explorer.exe PID 1256 wrote to memory of 1632 1256 rundll32.exe explorer.exe PID 1256 wrote to memory of 1632 1256 rundll32.exe explorer.exe PID 1256 wrote to memory of 1632 1256 rundll32.exe explorer.exe PID 1256 wrote to memory of 1632 1256 rundll32.exe explorer.exe PID 1256 wrote to memory of 1632 1256 rundll32.exe explorer.exe PID 1632 wrote to memory of 952 1632 explorer.exe schtasks.exe PID 1632 wrote to memory of 952 1632 explorer.exe schtasks.exe PID 1632 wrote to memory of 952 1632 explorer.exe schtasks.exe PID 1632 wrote to memory of 952 1632 explorer.exe schtasks.exe PID 1644 wrote to memory of 364 1644 taskeng.exe regsvr32.exe PID 1644 wrote to memory of 364 1644 taskeng.exe regsvr32.exe PID 1644 wrote to memory of 364 1644 taskeng.exe regsvr32.exe PID 1644 wrote to memory of 364 1644 taskeng.exe regsvr32.exe PID 1644 wrote to memory of 364 1644 taskeng.exe regsvr32.exe PID 364 wrote to memory of 932 364 regsvr32.exe regsvr32.exe PID 364 wrote to memory of 932 364 regsvr32.exe regsvr32.exe PID 364 wrote to memory of 932 364 regsvr32.exe regsvr32.exe PID 364 wrote to memory of 932 364 regsvr32.exe regsvr32.exe PID 364 wrote to memory of 932 364 regsvr32.exe regsvr32.exe PID 364 wrote to memory of 932 364 regsvr32.exe regsvr32.exe PID 364 wrote to memory of 932 364 regsvr32.exe regsvr32.exe PID 932 wrote to memory of 1164 932 regsvr32.exe explorer.exe PID 932 wrote to memory of 1164 932 regsvr32.exe explorer.exe PID 932 wrote to memory of 1164 932 regsvr32.exe explorer.exe PID 932 wrote to memory of 1164 932 regsvr32.exe explorer.exe PID 932 wrote to memory of 1164 932 regsvr32.exe explorer.exe PID 932 wrote to memory of 1164 932 regsvr32.exe explorer.exe PID 1164 wrote to memory of 1316 1164 explorer.exe reg.exe PID 1164 wrote to memory of 1316 1164 explorer.exe reg.exe PID 1164 wrote to memory of 1316 1164 explorer.exe reg.exe PID 1164 wrote to memory of 1316 1164 explorer.exe reg.exe PID 1164 wrote to memory of 1252 1164 explorer.exe reg.exe PID 1164 wrote to memory of 1252 1164 explorer.exe reg.exe PID 1164 wrote to memory of 1252 1164 explorer.exe reg.exe PID 1164 wrote to memory of 1252 1164 explorer.exe reg.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.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 use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ancbqjfq /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll\"" /SC ONCE /Z /ST 15:20 /ET 15:324⤵
- Creates scheduled task(s)
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C:\Windows\system32\taskeng.exetaskeng.exe {5914C539-2BBE-4370-8860-FBB5691CA16E} 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\687550f98527483a1c49ab185a2105ea.dll"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe-s "C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe4⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\ProgramData\Microsoft\Wjcrfhzwcsa" /d "0"5⤵
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C:\Windows\system32\reg.exeC:\Windows\system32\reg.exe ADD "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /f /t REG_DWORD /v "C:\Users\Admin\AppData\Roaming\Microsoft\Idtfipal" /d "0"5⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dllMD5
687550f98527483a1c49ab185a2105ea
SHA142d0db4cdc64e1fc2e57025f031f285cf0ba45a3
SHA2566f63742c25fd3a2dae5995f182254c253003066488ef86e754f661e8ba1d76fd
SHA5122b92d4cb037c0a6dd6855819d8e44ec036bc3fac71d7c2ee537bb6dfe907888b69b97958ebaa7b102e473f76ce6d1811ce090fb1e7ab38c18d2b1c6098403fc5
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\??\PIPE\wkssvcMD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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\Users\Admin\AppData\Local\Temp\687550f98527483a1c49ab185a2105ea.dllMD5
687550f98527483a1c49ab185a2105ea
SHA142d0db4cdc64e1fc2e57025f031f285cf0ba45a3
SHA2566f63742c25fd3a2dae5995f182254c253003066488ef86e754f661e8ba1d76fd
SHA5122b92d4cb037c0a6dd6855819d8e44ec036bc3fac71d7c2ee537bb6dfe907888b69b97958ebaa7b102e473f76ce6d1811ce090fb1e7ab38c18d2b1c6098403fc5
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memory/364-64-0x0000000000000000-mapping.dmp
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memory/364-65-0x000007FEFC351000-0x000007FEFC353000-memory.dmpFilesize
8KB
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memory/932-78-0x0000000000160000-0x0000000000161000-memory.dmpFilesize
4KB
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memory/932-71-0x0000000010000000-0x0000000010081000-memory.dmpFilesize
516KB
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memory/932-67-0x0000000000000000-mapping.dmp
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memory/952-61-0x0000000000000000-mapping.dmp
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memory/1164-72-0x0000000000000000-mapping.dmp
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memory/1164-79-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
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memory/1252-77-0x0000000000000000-mapping.dmp
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memory/1256-62-0x0000000000650000-0x0000000000651000-memory.dmpFilesize
4KB
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memory/1256-56-0x0000000010000000-0x0000000010021000-memory.dmpFilesize
132KB
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memory/1256-54-0x0000000000000000-mapping.dmp
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memory/1256-57-0x0000000010000000-0x0000000010081000-memory.dmpFilesize
516KB
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memory/1256-55-0x0000000076851000-0x0000000076853000-memory.dmpFilesize
8KB
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memory/1316-76-0x0000000000000000-mapping.dmp
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memory/1632-63-0x0000000000080000-0x00000000000A1000-memory.dmpFilesize
132KB
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memory/1632-60-0x0000000074C11000-0x0000000074C13000-memory.dmpFilesize
8KB
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memory/1632-58-0x0000000000000000-mapping.dmp