Analysis
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max time kernel
120s -
max time network
124s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
29-10-2021 19:12
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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suricata: ET MALWARE a310Logger Stealer Exfil (SMTP)
suricata: ET MALWARE a310Logger Stealer Exfil (SMTP)
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A310logger Executable 2 IoCs
Processes:
resource yara_rule 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 1776 Fox.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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Fox.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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 2928 set thread context of 1212 2928 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 2928 6628819927788177272-DEKONT.exe 2928 6628819927788177272-DEKONT.exe 2928 6628819927788177272-DEKONT.exe 2928 6628819927788177272-DEKONT.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
6628819927788177272-DEKONT.exedescription pid process Token: SeDebugPrivilege 2928 6628819927788177272-DEKONT.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
6628819927788177272-DEKONT.exepid process 1212 6628819927788177272-DEKONT.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
6628819927788177272-DEKONT.exe6628819927788177272-DEKONT.exeWinMail.exedescription pid process target process PID 2928 wrote to memory of 1120 2928 6628819927788177272-DEKONT.exe schtasks.exe PID 2928 wrote to memory of 1120 2928 6628819927788177272-DEKONT.exe schtasks.exe PID 2928 wrote to memory of 1120 2928 6628819927788177272-DEKONT.exe schtasks.exe PID 2928 wrote to memory of 1212 2928 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 2928 wrote to memory of 1212 2928 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 2928 wrote to memory of 1212 2928 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 2928 wrote to memory of 1212 2928 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 2928 wrote to memory of 1212 2928 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 2928 wrote to memory of 1212 2928 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 2928 wrote to memory of 1212 2928 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 2928 wrote to memory of 1212 2928 6628819927788177272-DEKONT.exe 6628819927788177272-DEKONT.exe PID 1212 wrote to memory of 1776 1212 6628819927788177272-DEKONT.exe Fox.exe PID 1212 wrote to memory of 1776 1212 6628819927788177272-DEKONT.exe Fox.exe PID 1212 wrote to memory of 2148 1212 6628819927788177272-DEKONT.exe WinMail.exe PID 1212 wrote to memory of 2148 1212 6628819927788177272-DEKONT.exe WinMail.exe PID 1212 wrote to memory of 2148 1212 6628819927788177272-DEKONT.exe WinMail.exe PID 2148 wrote to memory of 2264 2148 WinMail.exe WinMail.exe PID 2148 wrote to memory of 2264 2148 WinMail.exe WinMail.exe -
outlook_office_path 1 IoCs
Processes:
Fox.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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-1-5-21-941723256-3451054534-3089625102-1000\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
PID:2928 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DkmTmLL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B11.tmp"2⤵
- Creates scheduled task(s)
PID:1120 -
C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe"C:\Users\Admin\AppData\Local\Temp\6628819927788177272-DEKONT.exe"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212 -
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
PID:1776 -
C:\Program Files (x86)\Windows Mail\WinMail.exe"C:\Program Files (x86)\Windows Mail\WinMail" OCInstallUserConfigOE3⤵
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Program Files\Windows Mail\WinMail.exe"C:\Program Files\Windows Mail\WinMail" OCInstallUserConfigOE4⤵PID:2264
Network
MITRE ATT&CK Enterprise 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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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\credentials.txtMD5
055c857272026583a61e1b5821c69a24
SHA1ec39d34f16487682801dd2b319554cbed57feca4
SHA256190db16bb64995e3bdea04b9e6fc1994dacfea3253a7559732205b1d41362b84
SHA512d7833c4651683e95959107e05b07b60d2e963b9fbecd0106b329e2087d1dfc9aedb962b334e22b6b462699cbce86097d4d50ce5d1310ad098e3531efaa4e204b
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memory/1120-127-0x0000000000000000-mapping.dmp
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memory/1212-128-0x0000000000400000-0x0000000000456000-memory.dmpFilesize
344KB
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memory/1212-129-0x0000000000401B9C-mapping.dmp
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memory/1776-132-0x0000000000000000-mapping.dmp
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memory/1776-137-0x000000001B1C0000-0x000000001B1C2000-memory.dmpFilesize
8KB
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memory/1776-135-0x0000000000470000-0x0000000000471000-memory.dmpFilesize
4KB
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memory/2148-139-0x0000000000000000-mapping.dmp
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memory/2264-140-0x0000000000000000-mapping.dmp
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memory/2928-126-0x00000000017D0000-0x0000000001848000-memory.dmpFilesize
480KB
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memory/2928-122-0x00000000059F0000-0x0000000005EEE000-memory.dmpFilesize
5.0MB
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memory/2928-121-0x0000000005890000-0x0000000005891000-memory.dmpFilesize
4KB
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memory/2928-118-0x0000000000E90000-0x0000000000E91000-memory.dmpFilesize
4KB
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memory/2928-123-0x0000000005980000-0x0000000005981000-memory.dmpFilesize
4KB
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memory/2928-120-0x0000000005EF0000-0x0000000005EF1000-memory.dmpFilesize
4KB
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memory/2928-125-0x0000000001730000-0x0000000001731000-memory.dmpFilesize
4KB
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memory/2928-124-0x0000000008F10000-0x0000000008F16000-memory.dmpFilesize
24KB