Analysis
- max time kernel
148s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240709-en - resource tags
- submitted
26/07/2024, 11:16
General
- Target d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
- Size 939KB
- Sample240726-ndfhcsvapj
- SHA256 d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd
Malware Config
Extracted
-
remcos
-
RemoteHost
-
204.10.160.230:7983
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
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-O7QOC3
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
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.
- 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe"C:\Users\Admin\AppData\Local\Temp\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.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\HODoCxSdp.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\HODoCxSdp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFFB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe"C:\Users\Admin\AppData\Local\Temp\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_t4jgl3yq.oq1.ps1
tmpFFFB.tmp
memory/1840-17-0x0000000005410000-0x0000000005A3A000-memory.dmp
memory/1840-96-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/1840-69-0x0000000075590000-0x00000000755DC000-memory.dmp
memory/1840-29-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/1840-23-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/1840-22-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/2124-66-0x0000000007750000-0x000000000776E000-memory.dmp
memory/2124-57-0x0000000075590000-0x00000000755DC000-memory.dmp
memory/2124-16-0x0000000002D60000-0x0000000002D96000-memory.dmp
memory/2124-95-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/2124-88-0x0000000007C00000-0x0000000007C08000-memory.dmp
memory/2124-19-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/2124-20-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/2124-87-0x0000000007C10000-0x0000000007C2A000-memory.dmp
memory/2124-86-0x0000000007B10000-0x0000000007B25000-memory.dmp
memory/2124-85-0x0000000007B00000-0x0000000007B0E000-memory.dmp
memory/2124-84-0x0000000007AD0000-0x0000000007AE1000-memory.dmp
memory/2124-30-0x00000000057D0000-0x00000000057F2000-memory.dmp
memory/2124-83-0x0000000007B50000-0x0000000007BE6000-memory.dmp
memory/2124-80-0x0000000007940000-0x000000000794A000-memory.dmp
memory/2124-50-0x0000000006100000-0x0000000006457000-memory.dmp
memory/2124-78-0x0000000007F00000-0x000000000857A000-memory.dmp
memory/2124-36-0x0000000006090000-0x00000000060F6000-memory.dmp
memory/2124-79-0x00000000078C0000-0x00000000078DA000-memory.dmp
memory/2124-67-0x0000000007780000-0x0000000007824000-memory.dmp
memory/2124-34-0x0000000005FB0000-0x0000000006016000-memory.dmp
memory/2124-31-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/2124-56-0x0000000007510000-0x0000000007544000-memory.dmp
memory/2124-52-0x0000000006570000-0x000000000658E000-memory.dmp
memory/2124-53-0x0000000006B10000-0x0000000006B5C000-memory.dmp
memory/2208-4-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/2208-8-0x00000000062F0000-0x00000000062FE000-memory.dmp
memory/2208-10-0x00000000064E0000-0x000000000659E000-memory.dmp
memory/2208-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp
memory/2208-5-0x0000000006260000-0x000000000626A000-memory.dmp
memory/2208-1-0x00000000004D0000-0x00000000005BE000-memory.dmp
memory/2208-2-0x0000000005010000-0x00000000050A2000-memory.dmp
memory/2208-11-0x0000000074CEE000-0x0000000074CEF000-memory.dmp
memory/2208-51-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/2208-3-0x0000000005660000-0x0000000005C06000-memory.dmp
memory/2208-18-0x0000000074CE0000-0x0000000075491000-memory.dmp
memory/2208-9-0x0000000006310000-0x000000000631E000-memory.dmp
memory/2208-6-0x0000000006330000-0x00000000063CC000-memory.dmp
memory/2208-7-0x00000000063D0000-0x00000000064A0000-memory.dmp
memory/4608-33-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-54-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-37-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-68-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-35-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-55-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-97-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-98-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-99-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-32-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-102-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-103-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-104-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-106-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-107-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-108-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-109-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-110-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-111-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-112-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-113-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4608-114-0x0000000000400000-0x000000000047F000-memory.dmp