Analysis
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max time kernel
122s -
max time network
129s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
29-10-2021 12:35
Static task
static1
Behavioral task
behavioral1
Sample
6628819927788177272-DEKONT.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
6628819927788177272-DEKONT.exe
Resource
win10-en-20211014
General
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Target
6628819927788177272-DEKONT.exe
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Size
561KB
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MD5
ffe72c0b077d5f676be820489ecec81a
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SHA1
cde15eab3928df21425863da28c42dd34b708f4e
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SHA256
675b0dff6f40d1838f3e386abdb322f9491069f7b57a9fc1dd33fde9805d923b
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SHA512
c4e475affe7225e77ef7f14acedd4ff14e37cab7efe792c85a8b60d3943e1662daa5a7bd42a2cb42a5dfe6962be6d512821a9126c791b9761bdef0cdf1fba03c
Malware Config
Signatures
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A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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A310logger Executable 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe a310logger -
Executes dropped EXE 1 IoCs
Processes:
Fox.exepid process 1160 Fox.exe -
Loads dropped DLL 1 IoCs
Processes:
6628819927788177272-DEKONT.exepid process 272 6628819927788177272-DEKONT.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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 profiles 1 TTPs 3 IoCs
Processes:
Fox.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6628819927788177272-DEKONT.exedescription pid process target process PID 516 set thread context of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 4 IoCs
Processes:
6628819927788177272-DEKONT.exepid process 516 6628819927788177272-DEKONT.exe 516 6628819927788177272-DEKONT.exe 516 6628819927788177272-DEKONT.exe 516 6628819927788177272-DEKONT.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
6628819927788177272-DEKONT.exedescription pid process Token: SeDebugPrivilege 516 6628819927788177272-DEKONT.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
6628819927788177272-DEKONT.exepid process 272 6628819927788177272-DEKONT.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
6628819927788177272-DEKONT.exe6628819927788177272-DEKONT.exedescription pid process target process PID 516 wrote to memory of 1884 516 6628819927788177272-DEKONT.exe schtasks.exe PID 516 wrote to memory of 1884 516 6628819927788177272-DEKONT.exe schtasks.exe PID 516 wrote to memory of 1884 516 6628819927788177272-DEKONT.exe schtasks.exe PID 516 wrote to memory of 1884 516 6628819927788177272-DEKONT.exe schtasks.exe PID 516 wrote to memory of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 516 wrote to memory of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 516 wrote to memory of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 516 wrote to memory of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 516 wrote to memory of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 516 wrote to memory of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 516 wrote to memory of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 516 wrote to memory of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 516 wrote to memory of 272 516 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 272 wrote to memory of 1160 272 6628819927788177272-DEKONT.exe Fox.exe PID 272 wrote to memory of 1160 272 6628819927788177272-DEKONT.exe Fox.exe PID 272 wrote to memory of 1160 272 6628819927788177272-DEKONT.exe Fox.exe PID 272 wrote to memory of 1160 272 6628819927788177272-DEKONT.exe Fox.exe -
outlook_office_path 1 IoCs
Processes:
Fox.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe -
outlook_win_path 1 IoCs
Processes:
Fox.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe"C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DkmTmLL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85C3.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe"C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeMD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeMD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeMD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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memory/272-66-0x00000000000F0000-0x00000000000F6000-memory.dmpFilesize
24KB
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memory/272-68-0x00000000755A1000-0x00000000755A3000-memory.dmpFilesize
8KB
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memory/272-60-0x0000000000400000-0x0000000000456000-memory.dmpFilesize
344KB
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memory/272-61-0x0000000000400000-0x0000000000456000-memory.dmpFilesize
344KB
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memory/272-62-0x0000000000400000-0x0000000000456000-memory.dmpFilesize
344KB
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memory/272-64-0x0000000000400000-0x0000000000456000-memory.dmpFilesize
344KB
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memory/272-65-0x0000000000401B9C-mapping.dmp
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memory/272-69-0x0000000000400000-0x0000000000456000-memory.dmpFilesize
344KB
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memory/272-67-0x00000000000F0000-0x00000000000FA000-memory.dmpFilesize
40KB
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memory/516-54-0x0000000000AE0000-0x0000000000AE1000-memory.dmpFilesize
4KB
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memory/516-58-0x0000000005C00000-0x0000000005C78000-memory.dmpFilesize
480KB
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memory/516-57-0x00000000005C0000-0x00000000005C6000-memory.dmpFilesize
24KB
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memory/516-56-0x0000000004450000-0x0000000004451000-memory.dmpFilesize
4KB
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memory/1160-71-0x0000000000000000-mapping.dmp
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memory/1160-74-0x00000000003E0000-0x00000000003E1000-memory.dmpFilesize
4KB
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memory/1160-76-0x000000001B0E0000-0x000000001B0E2000-memory.dmpFilesize
8KB
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memory/1884-59-0x0000000000000000-mapping.dmp