Analysis
- max time kernel
151s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
09/05/2024, 10:06
General
- Target 825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5.exe
- Size 1.1MB
- Sample240509-l43dpscc2v
- SHA256 825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5
Malware Config
Extracted
-
remcos
-
Host
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64.44.83.130:2465
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audio_folder
MicRecords
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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
-
delete_file
false
-
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-B0W1R4
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screenshot_crypt
false
-
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.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 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).
- 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5.exe"C:\Users\Admin\AppData\Local\Temp\825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5.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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EwwYuiTtGESO.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EwwYuiTtGESO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC34B.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5.exe"C:\Users\Admin\AppData\Local\Temp\825c10e7def43190b1e706de34bcce9dca867d770a153d0e93a6a3bb7f1784d5.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
__PSScriptPolicyTest_zdvsx1tm.zao.ps1
tmpC34B.tmp
memory/1256-82-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-88-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-87-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-81-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-94-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-100-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1256-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2080-19-0x00000000052C0000-0x00000000052F6000-memory.dmp
memory/2080-47-0x0000000006440000-0x0000000006794000-memory.dmp
memory/2080-21-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/2080-20-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/2080-78-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/2080-75-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/2080-18-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/2080-74-0x0000000007F70000-0x0000000007F78000-memory.dmp
memory/2080-34-0x00000000058C0000-0x00000000058E2000-memory.dmp
memory/2080-35-0x0000000005960000-0x00000000059C6000-memory.dmp
memory/2080-37-0x0000000006000000-0x0000000006066000-memory.dmp
memory/2080-23-0x00000000059D0000-0x0000000005FF8000-memory.dmp
memory/2080-73-0x0000000007F90000-0x0000000007FAA000-memory.dmp
memory/2080-72-0x0000000007E90000-0x0000000007EA4000-memory.dmp
memory/2080-48-0x0000000006300000-0x000000000631E000-memory.dmp
memory/2080-49-0x0000000006970000-0x00000000069BC000-memory.dmp
memory/2080-52-0x00000000714F0000-0x000000007153C000-memory.dmp
memory/2080-51-0x0000000006F50000-0x0000000006F82000-memory.dmp
memory/2080-62-0x0000000006EF0000-0x0000000006F0E000-memory.dmp
memory/2080-63-0x0000000007B30000-0x0000000007BD3000-memory.dmp
memory/2080-65-0x0000000008290000-0x000000000890A000-memory.dmp
memory/2080-66-0x0000000007C50000-0x0000000007C6A000-memory.dmp
memory/2080-67-0x0000000007CC0000-0x0000000007CCA000-memory.dmp
memory/2080-68-0x0000000007ED0000-0x0000000007F66000-memory.dmp
memory/2080-69-0x0000000006CA0000-0x0000000006CB1000-memory.dmp
memory/2080-70-0x0000000007E80000-0x0000000007E8E000-memory.dmp
memory/4504-12-0x0000000007090000-0x000000000712C000-memory.dmp
memory/4504-11-0x00000000751EE000-0x00000000751EF000-memory.dmp
memory/4504-16-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/4504-0-0x00000000751EE000-0x00000000751EF000-memory.dmp
memory/4504-28-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/4504-10-0x0000000008870000-0x0000000008930000-memory.dmp
memory/4504-9-0x00000000057D0000-0x000000000589A000-memory.dmp
memory/4504-8-0x00000000054E0000-0x00000000054F4000-memory.dmp
memory/4504-7-0x00000000054C0000-0x00000000054CE000-memory.dmp
memory/4504-6-0x0000000005490000-0x00000000054A8000-memory.dmp
memory/4504-5-0x0000000005480000-0x000000000548A000-memory.dmp
memory/4504-4-0x00000000751E0000-0x0000000075990000-memory.dmp
memory/4504-3-0x00000000053B0000-0x0000000005442000-memory.dmp
memory/4504-2-0x00000000058B0000-0x0000000005E54000-memory.dmp
memory/4504-1-0x00000000008B0000-0x00000000009C4000-memory.dmp