Analysis
- max time kernel
7s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
01/07/2024, 03:44
General
- Target e1b343ba8a8e3d87436bf5f880a17f4bc43a1ac4acf2cbb90bf51207554cbb3d.exe
- Size 1.7MB
- Sample240701-eayp4avgkb
- SHA256 e1b343ba8a8e3d87436bf5f880a17f4bc43a1ac4acf2cbb90bf51207554cbb3d
Malware Config
Extracted
-
remcos
-
1.7 Pro
-
Host
-
213.183.58.19:4000
-
audio_folder
audio
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
true
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
true
-
keylog_file
read.dat
-
keylog_flag
false
-
keylog_folder
CastC
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
remcos_sccafsoidz
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screens
-
screenshot_path
%AppData%
-
screenshot_time
1
-
startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e1b343ba8a8e3d87436bf5f880a17f4bc43a1ac4acf2cbb90bf51207554cbb3d.exe"C:\Users\Admin\AppData\Local\Temp\e1b343ba8a8e3d87436bf5f880a17f4bc43a1ac4acf2cbb90bf51207554cbb3d.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"2⤵
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"3⤵
-
-
-
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=4080,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4208 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
sbietrcl.exe
memory/1204-29-0x0000000075400000-0x00000000759B1000-memory.dmp
memory/1204-44-0x0000000075400000-0x00000000759B1000-memory.dmp
memory/1204-31-0x0000000075400000-0x00000000759B1000-memory.dmp
memory/1204-32-0x0000000075400000-0x00000000759B1000-memory.dmp
memory/1204-30-0x0000000075400000-0x00000000759B1000-memory.dmp
memory/2084-43-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2084-37-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2084-42-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2084-40-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2084-36-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2084-33-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2084-47-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2132-28-0x0000000075400000-0x00000000759B1000-memory.dmp
memory/2132-5-0x0000000075400000-0x00000000759B1000-memory.dmp
memory/2132-6-0x0000000075400000-0x00000000759B1000-memory.dmp
memory/2132-2-0x0000000075400000-0x00000000759B1000-memory.dmp
memory/2132-0-0x0000000075402000-0x0000000075403000-memory.dmp
memory/2132-1-0x0000000075400000-0x00000000759B1000-memory.dmp