Analysis
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max time kernel
128s -
max time network
127s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
06-11-2020 10:36
Static task
static1
Behavioral task
behavioral1
Sample
DT-01063.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
DT-01063.exe
Resource
win10v20201028
General
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Target
DT-01063.exe
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Size
664KB
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MD5
b347b895c17430c07f771ad695abc8a0
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SHA1
b024ba272a024bbce783d1001fbba1ace2b395e8
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SHA256
2d9f9ff984d156fc523502763a5829055eb82f17a819c0ef33d3a53e7c801ddd
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SHA512
e3ea43af73a516d322c8216b1742211fea7b92c74446dd02e555958fcd4d3525255b981baef4c8a714d0c7e5d30831e2524fc3fe80071760d483859bcea6e9bb
Malware Config
Extracted
azorult
http://209.141.54.122/vin/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:
ohsg.exeAddInProcess32.exepid process 2604 ohsg.exe 620 AddInProcess32.exe -
Loads dropped DLL 7 IoCs
Processes:
ohsg.exeAddInProcess32.exepid process 2604 ohsg.exe 620 AddInProcess32.exe 620 AddInProcess32.exe 620 AddInProcess32.exe 620 AddInProcess32.exe 620 AddInProcess32.exe 620 AddInProcess32.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral2/memory/412-3-0x0000000002850000-0x0000000002875000-memory.dmp agile_net -
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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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\msogu = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\ohsg.exe" reg.exe -
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 1 IoCs
Processes:
ohsg.exedescription pid process target process PID 2604 set thread context of 620 2604 ohsg.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 17 IoCs
Processes:
DT-01063.exeohsg.exeAddInProcess32.exepid process 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 412 DT-01063.exe 2604 ohsg.exe 620 AddInProcess32.exe 620 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
DT-01063.exeohsg.exedescription pid process Token: SeDebugPrivilege 412 DT-01063.exe Token: SeTakeOwnershipPrivilege 412 DT-01063.exe Token: SeRestorePrivilege 412 DT-01063.exe Token: SeDebugPrivilege 2604 ohsg.exe Token: SeTakeOwnershipPrivilege 2604 ohsg.exe Token: SeRestorePrivilege 2604 ohsg.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
DT-01063.execmd.exeohsg.exedescription pid process target process PID 412 wrote to memory of 732 412 DT-01063.exe cmd.exe PID 412 wrote to memory of 732 412 DT-01063.exe cmd.exe PID 412 wrote to memory of 732 412 DT-01063.exe cmd.exe PID 732 wrote to memory of 1460 732 cmd.exe reg.exe PID 732 wrote to memory of 1460 732 cmd.exe reg.exe PID 732 wrote to memory of 1460 732 cmd.exe reg.exe PID 412 wrote to memory of 2604 412 DT-01063.exe ohsg.exe PID 412 wrote to memory of 2604 412 DT-01063.exe ohsg.exe PID 412 wrote to memory of 2604 412 DT-01063.exe ohsg.exe PID 2604 wrote to memory of 620 2604 ohsg.exe AddInProcess32.exe PID 2604 wrote to memory of 620 2604 ohsg.exe AddInProcess32.exe PID 2604 wrote to memory of 620 2604 ohsg.exe AddInProcess32.exe PID 2604 wrote to memory of 620 2604 ohsg.exe AddInProcess32.exe PID 2604 wrote to memory of 620 2604 ohsg.exe AddInProcess32.exe PID 2604 wrote to memory of 620 2604 ohsg.exe AddInProcess32.exe PID 2604 wrote to memory of 620 2604 ohsg.exe AddInProcess32.exe PID 2604 wrote to memory of 620 2604 ohsg.exe AddInProcess32.exe PID 2604 wrote to memory of 620 2604 ohsg.exe AddInProcess32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DT-01063.exe"C:\Users\Admin\AppData\Local\Temp\DT-01063.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v msogu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ohsg.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v msogu /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ohsg.exe"3⤵
- Adds Run key to start application
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C:\Users\Admin\ohsg.exe"C:\Users\Admin\ohsg.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK 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\ohsg.exeMD5
b347b895c17430c07f771ad695abc8a0
SHA1b024ba272a024bbce783d1001fbba1ace2b395e8
SHA2562d9f9ff984d156fc523502763a5829055eb82f17a819c0ef33d3a53e7c801ddd
SHA512e3ea43af73a516d322c8216b1742211fea7b92c74446dd02e555958fcd4d3525255b981baef4c8a714d0c7e5d30831e2524fc3fe80071760d483859bcea6e9bb
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C:\Users\Admin\ohsg.exeMD5
b347b895c17430c07f771ad695abc8a0
SHA1b024ba272a024bbce783d1001fbba1ace2b395e8
SHA2562d9f9ff984d156fc523502763a5829055eb82f17a819c0ef33d3a53e7c801ddd
SHA512e3ea43af73a516d322c8216b1742211fea7b92c74446dd02e555958fcd4d3525255b981baef4c8a714d0c7e5d30831e2524fc3fe80071760d483859bcea6e9bb
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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\2fda\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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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/412-0-0x0000000073AD0000-0x00000000741BE000-memory.dmpFilesize
6.9MB
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memory/412-6-0x0000000005000000-0x0000000005001000-memory.dmpFilesize
4KB
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memory/412-5-0x0000000004F00000-0x0000000004F01000-memory.dmpFilesize
4KB
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memory/412-4-0x0000000005500000-0x0000000005501000-memory.dmpFilesize
4KB
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memory/412-3-0x0000000002850000-0x0000000002875000-memory.dmpFilesize
148KB
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memory/412-1-0x00000000004D0000-0x00000000004D1000-memory.dmpFilesize
4KB
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memory/620-21-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/620-24-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/620-22-0x000000000041A1F8-mapping.dmp
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memory/732-7-0x0000000000000000-mapping.dmp
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memory/1460-8-0x0000000000000000-mapping.dmp
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memory/2604-19-0x0000000006760000-0x0000000006776000-memory.dmpFilesize
88KB
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memory/2604-12-0x0000000073AD0000-0x00000000741BE000-memory.dmpFilesize
6.9MB
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memory/2604-9-0x0000000000000000-mapping.dmp