Analysis
- max time kernel
298s - max time network
276s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/10/2026, 14:33
General
- Target KELS2607576 TAX INVOICE - SKELS26007576_A - 0225535 (01-Oct-26).exe
- Size 1.0MB
- Sample261001-rwwtva1cmd
- SHA256 58d1bc7f41c9ca60f37070a0d6d9bae70e4d013a587aaa1a58ed95c2f3016991
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
172.94.15.100:6075
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
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
MS-Office-6O8SUV
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 1 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 1 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\KELS2607576 TAX INVOICE - SKELS26007576_A - 0225535 (01-Oct-26).exe"C:\Users\Admin\AppData\Local\Temp\KELS2607576 TAX INVOICE - SKELS26007576_A - 0225535 (01-Oct-26).exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\KELS2607576 TAX INVOICE - SKELS26007576_A - 0225535 (01-Oct-26).exe"C:\Users\Admin\AppData\Local\Temp\KELS2607576 TAX INVOICE - SKELS26007576_A - 0225535 (01-Oct-26).exe"2⤵
- Accesses Microsoft Outlook profiles
- Enumerates connected drives
- Reads the TCP/IP host and domain name from the registry
- outlook_office_path
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/4396-19-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/4396-1-0x0000000000860000-0x000000000096A000-memory.dmp
memory/4396-2-0x0000000005870000-0x0000000005E2A000-memory.dmp
memory/4396-3-0x0000000005350000-0x00000000053E2000-memory.dmp
memory/4396-4-0x0000000005330000-0x000000000533A000-memory.dmp
memory/4396-5-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/4396-6-0x0000000005570000-0x0000000005586000-memory.dmp
memory/4396-7-0x00000000750B2000-0x00000000750B3000-memory.dmp
memory/4396-8-0x00000000750A0000-0x000000007585C000-memory.dmp
memory/4396-9-0x0000000009360000-0x00000000093FC000-memory.dmp
memory/4396-10-0x0000000009400000-0x00000000094C6000-memory.dmp
memory/4396-11-0x0000000009A00000-0x0000000009F2C000-memory.dmp
memory/4396-12-0x0000000009F30000-0x000000000A3FC000-memory.dmp
memory/4396-0-0x00000000750B2000-0x00000000750B3000-memory.dmp
memory/5048-22-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-31-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-16-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-17-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-18-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-14-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-21-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-20-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-13-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-23-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/5048-26-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/5048-28-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/5048-27-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/5048-29-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/5048-30-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-15-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-32-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/5048-33-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-34-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-35-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-36-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-39-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-38-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-40-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-41-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-42-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-43-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-46-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-47-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-48-0x0000000000400000-0x0000000000490000-memory.dmp
memory/5048-49-0x0000000000400000-0x0000000000490000-memory.dmp