Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
06/04/2024, 01:33
General
- Target bf19328d703ff4ad6b67c9cd584147ed69ce2e82932350334f1705aad63316b4.exe
- Size 483KB
- Sample240406-byvrkagf31
- SHA256 bf19328d703ff4ad6b67c9cd584147ed69ce2e82932350334f1705aad63316b4
Malware Config
Extracted
-
remcos
-
RemoteHost
-
rxms.duckdns.org:57832
-
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
true
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
RmcTctTXerye8Yic-US5CLC
-
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.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 20 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bf19328d703ff4ad6b67c9cd584147ed69ce2e82932350334f1705aad63316b4.exe"C:\Users\Admin\AppData\Local\Temp\bf19328d703ff4ad6b67c9cd584147ed69ce2e82932350334f1705aad63316b4.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
\??\c:\program files (x86)\internet explorer\iexplore.exe"c:\program files (x86)\internet explorer\iexplore.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 --mojo-platform-channel-handle=3844 --field-trial-handle=2256,i,6057863739127169200,6895476048812676039,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
memory/1276-14-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-2-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-4-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-6-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-7-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-8-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-9-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-10-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-0-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-11-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-1-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-20-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-15-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-23-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-24-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-31-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-39-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-40-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-47-0x0000000000730000-0x00000000007B2000-memory.dmp
memory/1276-48-0x0000000000730000-0x00000000007B2000-memory.dmp