Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
13/02/2024, 03:05
General
- Target 2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
- Size 990KB
- Sample240213-dk7v3sdh4x
- SHA256 2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847
Malware Config
Extracted
-
remcos
-
DESK
-
198.27.121.194:2024
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
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connect_interval
1
-
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-EQJXDT
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 24 IoCs
- Detects executables built or packed with MPress PE compressor 16 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
- NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
- Nirsoft 6 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 27 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 33 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"1⤵
- Checks computer location settings
- 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\LCIBkTUxHQE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFACB.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LCIBkTUxHQE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exeC:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\lgilhlrpqsxjeojpwygpwfcu"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exeC:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\jedsgtgnukfeuinlfotol"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exeC:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\jedsgtgnukfeuinlfotol"3⤵
-
-
C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exeC:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\ykxaoavtgcnsruzhwd"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_1wfry0t1.lr2.ps1
tmpFACB.tmp
ykxaoavtgcnsruzhwd
memory/452-100-0x0000000000400000-0x0000000000457000-memory.dmp
memory/452-86-0x0000000000400000-0x0000000000457000-memory.dmp
memory/452-93-0x0000000000400000-0x0000000000457000-memory.dmp
memory/452-99-0x0000000000400000-0x0000000000457000-memory.dmp
memory/488-85-0x0000000000400000-0x0000000000478000-memory.dmp
memory/488-92-0x0000000000400000-0x0000000000478000-memory.dmp
memory/488-90-0x0000000000400000-0x0000000000478000-memory.dmp
memory/488-104-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4044-101-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4044-102-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4044-95-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4044-88-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4148-66-0x0000000007DF0000-0x0000000007E86000-memory.dmp
memory/4148-76-0x0000000007EB0000-0x0000000007ECA000-memory.dmp
memory/4148-26-0x0000000006170000-0x00000000061D6000-memory.dmp
memory/4148-17-0x00000000052A0000-0x00000000052D6000-memory.dmp
memory/4148-28-0x0000000006250000-0x00000000062B6000-memory.dmp
memory/4148-82-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/4148-40-0x00000000063C0000-0x0000000006714000-memory.dmp
memory/4148-74-0x0000000007DA0000-0x0000000007DAE000-memory.dmp
memory/4148-77-0x0000000007E90000-0x0000000007E98000-memory.dmp
memory/4148-44-0x0000000006840000-0x000000000685E000-memory.dmp
memory/4148-46-0x0000000006DE0000-0x0000000006E2C000-memory.dmp
memory/4148-75-0x0000000007DB0000-0x0000000007DC4000-memory.dmp
memory/4148-47-0x000000007F4B0000-0x000000007F4C0000-memory.dmp
memory/4148-49-0x0000000073680000-0x00000000736CC000-memory.dmp
memory/4148-18-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/4148-24-0x0000000005880000-0x00000000058A2000-memory.dmp
memory/4148-22-0x0000000002E00000-0x0000000002E10000-memory.dmp
memory/4148-21-0x0000000002E00000-0x0000000002E10000-memory.dmp
memory/4148-19-0x0000000005910000-0x0000000005F38000-memory.dmp
memory/4148-48-0x0000000007A50000-0x0000000007A82000-memory.dmp
memory/4148-62-0x0000000007A90000-0x0000000007B33000-memory.dmp
memory/4148-61-0x0000000002E00000-0x0000000002E10000-memory.dmp
memory/4148-64-0x0000000007B70000-0x0000000007B8A000-memory.dmp
memory/4148-63-0x00000000081C0000-0x000000000883A000-memory.dmp
memory/4148-65-0x0000000007BE0000-0x0000000007BEA000-memory.dmp
memory/4148-60-0x0000000002E00000-0x0000000002E10000-memory.dmp
memory/4148-59-0x0000000006E30000-0x0000000006E4E000-memory.dmp
memory/4148-67-0x0000000007D70000-0x0000000007D81000-memory.dmp
memory/4168-111-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-110-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4168-119-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-69-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-68-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-73-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-79-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-72-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-71-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-70-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-83-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-84-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-116-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-113-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4168-106-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4168-109-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4168-112-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4804-9-0x0000000007FE0000-0x0000000007FEE000-memory.dmp
memory/4804-41-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/4804-0-0x0000000000680000-0x000000000077E000-memory.dmp
memory/4804-10-0x0000000008140000-0x0000000008206000-memory.dmp
memory/4804-4-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/4804-2-0x0000000005770000-0x0000000005D14000-memory.dmp
memory/4804-7-0x0000000007FB0000-0x0000000007FC4000-memory.dmp
memory/4804-6-0x0000000007C80000-0x0000000007D1C000-memory.dmp
memory/4804-3-0x00000000051C0000-0x0000000005252000-memory.dmp
memory/4804-1-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/4804-11-0x0000000074BE0000-0x0000000075390000-memory.dmp
memory/4804-12-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/4804-5-0x0000000005160000-0x000000000516A000-memory.dmp
memory/4804-8-0x0000000007FD0000-0x0000000007FDA000-memory.dmp