Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
09/08/2024, 09:09
General
- Target 통관용_AG-C016-24_ATLANTIC GOLD_NORTH WESTpdf.exe
- Size 893KB
- Sample240809-k4tacsserb
- SHA256 391ac1ceedd3c960f32890f834a86ba1570ee5a0cc12dcef1714d43bb29fc457
Malware Config
Extracted
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remcos
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RemoteHost
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194.169.175.190:2404
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-LBZ2BK
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Detected Nirsoft tools 9 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
- NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 4 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\통관용_AG-C016-24_ATLANTIC GOLD_NORTH WESTpdf.exe"C:\Users\Admin\AppData\Local\Temp\통관용_AG-C016-24_ATLANTIC GOLD_NORTH WESTpdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exe"C:\Users\Admin\AppData\Local\Temp\통관용_AG-C016-24_ATLANTIC GOLD_NORTH WESTpdf.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\idfgocxtkionrxscpwdphadgzgbe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\lfkypvhnyqgstmggygqisfxpintflow"3⤵
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-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\lfkypvhnyqgstmggygqisfxpintflow"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\vzqjqnsouzyeesdkprkkvrkgjcdomzuswn"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
idfgocxtkionrxscpwdphadgzgbe
memory/1372-34-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1372-40-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1372-38-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1372-41-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1372-36-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2592-33-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2592-28-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2592-31-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2592-39-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2592-42-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2884-17-0x0000000000050000-0x000000000023B000-memory.dmp
memory/2884-0-0x0000000000050000-0x000000000023B000-memory.dmp
memory/2884-12-0x0000000000C80000-0x0000000000C84000-memory.dmp
memory/3524-52-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3524-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-64-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-63-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-53-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3524-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-49-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3524-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3524-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4368-32-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4368-47-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4368-26-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4368-29-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4368-37-0x0000000000400000-0x0000000000478000-memory.dmp