Analysis
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max time kernel
135s -
max time network
139s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
03-11-2020 16:51
Static task
static1
Behavioral task
behavioral1
Sample
gredtwq.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
gredtwq.exe
Resource
win10v20201028
General
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Target
gredtwq.exe
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Size
434KB
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MD5
a203b9a9fad64bf983b6d739905c9c2c
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SHA1
6a81b592a7382d74cf30b8db41f19f67ae18dc08
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SHA256
4ffa1fd1556f580d5a96587d425635f3e54650219a48524a98b1c57b86dd7c7f
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SHA512
671d066675ba4c230d61f51cfdf0f2bc259cbdbc4dc4a685f3af6576b979226c748eb37e2a494b6bc22ded5e4c3d748d09865f9395f80ef4ab922cfdbfd418a0
Malware Config
Extracted
azorult
http://alhelli.com/babtest/temp/mem/index.php
Signatures
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Executes dropped EXE 2 IoCs
Processes:
AddInProcess32.exeAddInProcess32.exepid process 3280 AddInProcess32.exe 2320 AddInProcess32.exe -
Loads dropped DLL 5 IoCs
Processes:
gredtwq.exeAddInProcess32.exepid process 500 gredtwq.exe 3280 AddInProcess32.exe 3280 AddInProcess32.exe 3280 AddInProcess32.exe 3280 AddInProcess32.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\2fda\nss3.dll js -
Suspicious use of SetThreadContext 2 IoCs
Processes:
gredtwq.exedescription pid process target process PID 500 set thread context of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 set thread context of 2320 500 gredtwq.exe AddInProcess32.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AddInProcess32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AddInProcess32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
gredtwq.exeAddInProcess32.exepid process 500 gredtwq.exe 3280 AddInProcess32.exe 3280 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
gredtwq.exedescription pid process Token: SeDebugPrivilege 500 gredtwq.exe Token: SeTakeOwnershipPrivilege 500 gredtwq.exe Token: SeRestorePrivilege 500 gredtwq.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
gredtwq.exedescription pid process target process PID 500 wrote to memory of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 3280 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 2320 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 2320 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 2320 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 2320 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 2320 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 2320 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 2320 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 2320 500 gredtwq.exe AddInProcess32.exe PID 500 wrote to memory of 2320 500 gredtwq.exe AddInProcess32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\gredtwq.exe"C:\Users\Admin\AppData\Local\Temp\gredtwq.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:500 -
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3280 -
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
PID:2320
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exeMD5
6a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exeMD5
6a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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\Users\Admin\AppData\Local\Temp\2fda\mozglue.dllMD5
9e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
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\Users\Admin\AppData\Local\Temp\2fda\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\Local\Temp\2fda\nss3.dllMD5
556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
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\Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\Local\Temp\b35bc50e-fc56-4239-a7d0-bb79118b31c9\AgileDotNetRT.dllMD5
14ff402962ad21b78ae0b4c43cd1f194
SHA1f8a510eb26666e875a5bdd1cadad40602763ad72
SHA256fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b
SHA512daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b
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memory/500-5-0x00000000057B0000-0x00000000057B1000-memory.dmpFilesize
4KB
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memory/500-7-0x0000000006990000-0x00000000069A6000-memory.dmpFilesize
88KB
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memory/500-6-0x00000000058C0000-0x00000000058C1000-memory.dmpFilesize
4KB
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memory/500-0-0x0000000073D50000-0x000000007443E000-memory.dmpFilesize
6.9MB
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memory/500-4-0x0000000005D20000-0x0000000005D21000-memory.dmpFilesize
4KB
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memory/500-3-0x00000000056D0000-0x00000000056F4000-memory.dmpFilesize
144KB
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memory/500-1-0x0000000000DD0000-0x0000000000DD1000-memory.dmpFilesize
4KB
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memory/2320-19-0x000000000041A1F8-mapping.dmp
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memory/3280-9-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3280-10-0x000000000041A1F8-mapping.dmp
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memory/3280-12-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB