Analysis
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max time kernel
31s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
31-05-2023 10:16
Static task
static1
Behavioral task
behavioral1
Sample
aaecf776a6f8850da8a1b4d63bc15e6c.exe
Resource
win7-20230220-en
General
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Target
aaecf776a6f8850da8a1b4d63bc15e6c.exe
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Size
1.1MB
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MD5
aaecf776a6f8850da8a1b4d63bc15e6c
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SHA1
a17344b14cc9bf756d8b52666dfb665e19e8bb31
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SHA256
7c4e0b95c73cc6c75ad1c74bc4bb7ea27444015c9934a000cf183eb5d4948a3b
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SHA512
8f8a04540d5c3dde132dd876376dc1b0195cc911c0ca746f67a4761d5c00602c7cb1cf1958d03cbddf3736cfe46a22c7ae1ad634b5260db4c89cb3aae2950f8d
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SSDEEP
24576:iu6J33O0c+JY5UZ+XC0kGsoTGcjr1I1lOq6sb8hTH7NWYu:Eu0c++OCvkGsEGcjr1i6skHUYu
Malware Config
Extracted
pony
http://185.79.156.18/bit/03/gate.php
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 1908 cmd.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 web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts RegAsm.exe -
Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.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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AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral1/memory/1520-54-0x0000000000F30000-0x0000000001058000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
aaecf776a6f8850da8a1b4d63bc15e6c.exedescription pid process target process PID 1520 set thread context of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 468 timeout.exe -
Suspicious use of AdjustPrivilegeToken 32 IoCs
Processes:
RegAsm.exedescription pid process Token: SeImpersonatePrivilege 1948 RegAsm.exe Token: SeTcbPrivilege 1948 RegAsm.exe Token: SeChangeNotifyPrivilege 1948 RegAsm.exe Token: SeCreateTokenPrivilege 1948 RegAsm.exe Token: SeBackupPrivilege 1948 RegAsm.exe Token: SeRestorePrivilege 1948 RegAsm.exe Token: SeIncreaseQuotaPrivilege 1948 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 1948 RegAsm.exe Token: SeImpersonatePrivilege 1948 RegAsm.exe Token: SeTcbPrivilege 1948 RegAsm.exe Token: SeChangeNotifyPrivilege 1948 RegAsm.exe Token: SeCreateTokenPrivilege 1948 RegAsm.exe Token: SeBackupPrivilege 1948 RegAsm.exe Token: SeRestorePrivilege 1948 RegAsm.exe Token: SeIncreaseQuotaPrivilege 1948 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 1948 RegAsm.exe Token: SeImpersonatePrivilege 1948 RegAsm.exe Token: SeTcbPrivilege 1948 RegAsm.exe Token: SeChangeNotifyPrivilege 1948 RegAsm.exe Token: SeCreateTokenPrivilege 1948 RegAsm.exe Token: SeBackupPrivilege 1948 RegAsm.exe Token: SeRestorePrivilege 1948 RegAsm.exe Token: SeIncreaseQuotaPrivilege 1948 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 1948 RegAsm.exe Token: SeImpersonatePrivilege 1948 RegAsm.exe Token: SeTcbPrivilege 1948 RegAsm.exe Token: SeChangeNotifyPrivilege 1948 RegAsm.exe Token: SeCreateTokenPrivilege 1948 RegAsm.exe Token: SeBackupPrivilege 1948 RegAsm.exe Token: SeRestorePrivilege 1948 RegAsm.exe Token: SeIncreaseQuotaPrivilege 1948 RegAsm.exe Token: SeAssignPrimaryTokenPrivilege 1948 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
aaecf776a6f8850da8a1b4d63bc15e6c.exepid process 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
aaecf776a6f8850da8a1b4d63bc15e6c.exepid process 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
aaecf776a6f8850da8a1b4d63bc15e6c.execmd.exeRegAsm.exedescription pid process target process PID 1520 wrote to memory of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe PID 1520 wrote to memory of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe PID 1520 wrote to memory of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe PID 1520 wrote to memory of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe PID 1520 wrote to memory of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe PID 1520 wrote to memory of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe PID 1520 wrote to memory of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe PID 1520 wrote to memory of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe PID 1520 wrote to memory of 1948 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe RegAsm.exe PID 1520 wrote to memory of 1908 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe cmd.exe PID 1520 wrote to memory of 1908 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe cmd.exe PID 1520 wrote to memory of 1908 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe cmd.exe PID 1520 wrote to memory of 1908 1520 aaecf776a6f8850da8a1b4d63bc15e6c.exe cmd.exe PID 1908 wrote to memory of 468 1908 cmd.exe timeout.exe PID 1908 wrote to memory of 468 1908 cmd.exe timeout.exe PID 1908 wrote to memory of 468 1908 cmd.exe timeout.exe PID 1908 wrote to memory of 468 1908 cmd.exe timeout.exe PID 1948 wrote to memory of 1652 1948 RegAsm.exe cmd.exe PID 1948 wrote to memory of 1652 1948 RegAsm.exe cmd.exe PID 1948 wrote to memory of 1652 1948 RegAsm.exe cmd.exe PID 1948 wrote to memory of 1652 1948 RegAsm.exe cmd.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\aaecf776a6f8850da8a1b4d63bc15e6c.exe"C:\Users\Admin\AppData\Local\Temp\aaecf776a6f8850da8a1b4d63bc15e6c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_win_path
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\7089262.bat" "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "3⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\aaecf776a6f8850da8a1b4d63bc15e6c.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exeTimeOut 13⤵
- Delays execution with timeout.exe
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\7089262.batFilesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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C:\Users\Admin\AppData\Local\Temp\7089262.batFilesize
94B
MD53880eeb1c736d853eb13b44898b718ab
SHA14eec9d50360cd815211e3c4e6bdd08271b6ec8e6
SHA256936d9411d5226b7c5a150ecaf422987590a8870c8e095e1caa072273041a86e7
SHA5123eaa3dddd7a11942e75acd44208fbe3d3ff8f4006951cd970fb9ab748c160739409803450d28037e577443504707fc310c634e9dc54d0c25e8cfe6094f017c6b
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memory/1520-54-0x0000000000F30000-0x0000000001058000-memory.dmpFilesize
1.2MB
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memory/1948-57-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/1948-58-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB
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memory/1948-62-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1948-65-0x0000000000400000-0x0000000000419000-memory.dmpFilesize
100KB