Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
02/07/2024, 01:30
General
- Target 6b585caaf4299c406c45a3beb76a8624d159404e1aac48a292976119c6d9b72c.exe
- Size 988KB
- Sample240702-bwsjesvfkn
- SHA256 6b585caaf4299c406c45a3beb76a8624d159404e1aac48a292976119c6d9b72c
Malware Config
Extracted
-
remcos
-
REVOLT
-
94.156.69.93:2973
-
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-HKC0PV
-
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).
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6b585caaf4299c406c45a3beb76a8624d159404e1aac48a292976119c6d9b72c.exe"C:\Users\Admin\AppData\Local\Temp\6b585caaf4299c406c45a3beb76a8624d159404e1aac48a292976119c6d9b72c.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\6b585caaf4299c406c45a3beb76a8624d159404e1aac48a292976119c6d9b72c.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\jdSldfVS.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\jdSldfVS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF8E.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\6b585caaf4299c406c45a3beb76a8624d159404e1aac48a292976119c6d9b72c.exe"C:\Users\Admin\AppData\Local\Temp\6b585caaf4299c406c45a3beb76a8624d159404e1aac48a292976119c6d9b72c.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
-
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 --field-trial-handle=4032,i,14648456027158448592,4956305794400220180,262144 --variations-seed-version --mojo-platform-channel-handle=3212 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_eaxduyzo.zd2.ps1
tmpFF8E.tmp
memory/1284-77-0x00000000759F0000-0x0000000075A3C000-memory.dmp
memory/1284-100-0x0000000075170000-0x0000000075920000-memory.dmp
memory/1284-54-0x0000000075170000-0x0000000075920000-memory.dmp
memory/1284-57-0x0000000075170000-0x0000000075920000-memory.dmp
memory/1284-51-0x0000000075170000-0x0000000075920000-memory.dmp
memory/1640-136-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-128-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-127-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-120-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-119-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-111-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-112-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-108-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-135-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1640-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3028-5-0x0000000075170000-0x0000000075920000-memory.dmp
memory/3028-4-0x00000000051D0000-0x00000000051DA000-memory.dmp
memory/3028-52-0x0000000075170000-0x0000000075920000-memory.dmp
memory/3028-6-0x0000000005740000-0x0000000005750000-memory.dmp
memory/3028-7-0x0000000006B80000-0x0000000006B8C000-memory.dmp
memory/3028-8-0x0000000006BE0000-0x0000000006CA0000-memory.dmp
memory/3028-0-0x000000007517E000-0x000000007517F000-memory.dmp
memory/3028-9-0x0000000009340000-0x00000000093DC000-memory.dmp
memory/3028-3-0x0000000005240000-0x00000000052D2000-memory.dmp
memory/3028-2-0x0000000005750000-0x0000000005CF4000-memory.dmp
memory/3028-1-0x00000000006F0000-0x00000000007EC000-memory.dmp
memory/3556-20-0x0000000005150000-0x00000000051B6000-memory.dmp
memory/3556-87-0x00000000073F0000-0x00000000073FA000-memory.dmp
memory/3556-76-0x0000000007380000-0x000000000739A000-memory.dmp
memory/3556-88-0x0000000007600000-0x0000000007696000-memory.dmp
memory/3556-89-0x0000000007580000-0x0000000007591000-memory.dmp
memory/3556-90-0x00000000075B0000-0x00000000075BE000-memory.dmp
memory/3556-91-0x00000000075C0000-0x00000000075D4000-memory.dmp
memory/3556-92-0x00000000076C0000-0x00000000076DA000-memory.dmp
memory/3556-93-0x00000000076A0000-0x00000000076A8000-memory.dmp
memory/3556-96-0x0000000075170000-0x0000000075920000-memory.dmp
memory/3556-75-0x00000000079C0000-0x000000000803A000-memory.dmp
memory/3556-62-0x0000000006FD0000-0x0000000007002000-memory.dmp
memory/3556-73-0x0000000006FB0000-0x0000000006FCE000-memory.dmp
memory/3556-74-0x0000000007020000-0x00000000070C3000-memory.dmp
memory/3556-63-0x00000000759F0000-0x0000000075A3C000-memory.dmp
memory/3556-59-0x0000000006130000-0x000000000617C000-memory.dmp
memory/3556-35-0x0000000075170000-0x0000000075920000-memory.dmp
memory/3556-58-0x0000000006050000-0x000000000606E000-memory.dmp
memory/3556-40-0x0000000005A60000-0x0000000005DB4000-memory.dmp
memory/3556-19-0x00000000050B0000-0x00000000050D2000-memory.dmp
memory/3556-21-0x00000000058B0000-0x0000000005916000-memory.dmp
memory/3556-17-0x0000000075170000-0x0000000075920000-memory.dmp
memory/3556-16-0x0000000005210000-0x0000000005838000-memory.dmp
memory/3556-15-0x0000000075170000-0x0000000075920000-memory.dmp
memory/3556-14-0x0000000002730000-0x0000000002766000-memory.dmp