Analysis
- max time kernel
148s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
13/08/2024, 16:58
General
- Target Etkt9oJ08ZyhAlm.exe
- Size 910KB
- Sample240813-vg754svgph
- SHA256 51aa6be003977c67c7eaf393b81af1e5ff9ad99850ce86ba7c3dafe7e12728c6
Malware Config
Extracted
-
remcos
-
RemoteHost
-
192.3.243.155:7643
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
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copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-C9YEJ8
-
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.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kFkVqvIpoatJkA.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kFkVqvIpoatJkA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7D2.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"C:\Users\Admin\AppData\Local\Temp\Etkt9oJ08ZyhAlm.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_cn5xnjsv.akg.ps1
tmpD7D2.tmp
memory/928-18-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/928-104-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/928-84-0x0000000075690000-0x00000000756DC000-memory.dmp
memory/928-44-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/928-20-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/1828-94-0x0000000007070000-0x0000000007078000-memory.dmp
memory/1828-62-0x0000000075690000-0x00000000756DC000-memory.dmp
memory/1828-15-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/1828-17-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/1828-14-0x0000000002110000-0x0000000002146000-memory.dmp
memory/1828-99-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/1828-83-0x0000000007090000-0x00000000070AA000-memory.dmp
memory/1828-21-0x0000000004A90000-0x0000000004AB2000-memory.dmp
memory/1828-23-0x0000000005400000-0x0000000005466000-memory.dmp
memory/1828-24-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/1828-82-0x0000000006F90000-0x0000000006FA4000-memory.dmp
memory/1828-81-0x0000000006F80000-0x0000000006F8E000-memory.dmp
memory/1828-80-0x0000000006F50000-0x0000000006F61000-memory.dmp
memory/1828-79-0x0000000006FD0000-0x0000000007066000-memory.dmp
memory/1828-54-0x0000000005A30000-0x0000000005A4E000-memory.dmp
memory/1828-78-0x0000000006DC0000-0x0000000006DCA000-memory.dmp
memory/1828-57-0x0000000005F10000-0x0000000005F5C000-memory.dmp
memory/1828-38-0x0000000005470000-0x00000000057C4000-memory.dmp
memory/1828-74-0x0000000007390000-0x0000000007A0A000-memory.dmp
memory/1828-75-0x0000000006D50000-0x0000000006D6A000-memory.dmp
memory/1828-61-0x0000000006030000-0x0000000006062000-memory.dmp
memory/1828-16-0x0000000004B00000-0x0000000005128000-memory.dmp
memory/1828-73-0x0000000006A40000-0x0000000006AE3000-memory.dmp
memory/1828-72-0x0000000005FC0000-0x0000000005FDE000-memory.dmp
memory/1828-22-0x00000000052E0000-0x0000000005346000-memory.dmp
memory/3268-7-0x0000000005590000-0x00000000055A6000-memory.dmp
memory/3268-1-0x00000000006A0000-0x000000000078A000-memory.dmp
memory/3268-2-0x0000000005640000-0x0000000005BE4000-memory.dmp
memory/3268-6-0x0000000005360000-0x000000000537E000-memory.dmp
memory/3268-3-0x0000000005170000-0x0000000005202000-memory.dmp
memory/3268-4-0x0000000005230000-0x000000000523A000-memory.dmp
memory/3268-9-0x000000000BC10000-0x000000000BCAC000-memory.dmp
memory/3268-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp
memory/3268-5-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/3268-8-0x0000000008AB0000-0x0000000008B70000-memory.dmp
memory/3268-53-0x0000000074E00000-0x00000000755B0000-memory.dmp
memory/3280-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-77-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-96-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-111-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-112-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-119-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-120-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-127-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-128-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-135-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3280-136-0x0000000000400000-0x0000000000482000-memory.dmp