Analysis
- max time kernel
300s - max time network
299s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
03/08/2026, 13:06
General
- Target 装运文件 发票编号 KDK26161 订舱编号 TWLBK005473.vbs
- Size 331KB
- Sample260803-qb9pjayflf
- SHA256 985905fa96637bf908984747aafc968df44c7f82d6243c560f6377a1f7d5ba35
Malware Config
Extracted
-
remcos
-
Client
-
papilawdns.duckdns.org:2404
-
audio_folder
MicRecords
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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
Rmc-865YOU
-
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.
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Downloads MZ/PE file 1 IoCs
- Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\装运文件 发票编号 KDK26161 订舱编号 TWLBK005473.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -W H -nOp -noNI -enc JAB6AGwAWABXAFoATwA9AFsAcABvAHcAZQByAHMAaABlAGwAbABdADoAOgBDAHIAZQBhAHQAZQAoACkAOwBbAHYAbwBpAGQAXQAkAHoAbABYAFcAWgBPAC4AQQBkAGQAUwBjAHIAaQBwAHQAKABbAEUAbgB2AGkAcgBvAG4AbQBlAG4AdABdADoAOgBHAGUAdABFAG4AdgBpAHIAbwBuAG0AZQBuAHQAVgBhAHIAaQBhAGIAbABlACgAJwBHAEcATwBiADIAbwB1AEgAeQBQACcALAAnAFAAcgBvAGMAZQBzAHMAJwApACkAOwAkAHoAbABYAFcAWgBPAC4ASQBuAHYAbwBrAGUAKAApAA==2⤵
- Badlisted process makes network request
- Downloads MZ/PE file
- Registers new Windows logon scripts automatically executed at logon.
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWow64\winver.exeC:\Windows\SysWow64\winver.exe3⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- outlook_office_path
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1936-46-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-45-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-58-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-57-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-56-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-55-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-53-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-52-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-51-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-33-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-49-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-47-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-48-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-32-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-43-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-44-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-42-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-41-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1936-23-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-27-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-21-0x0000000001380000-0x0000000001381000-memory.dmp
memory/1936-28-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-20-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-40-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1936-39-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1936-50-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-30-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-34-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-35-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/1936-36-0x00000000012E0000-0x000000000136D000-memory.dmp
memory/4960-1-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-12-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-16-0x000001AD52D50000-0x000001AD52D9E000-memory.dmp
memory/4960-11-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-19-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-17-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-0-0x00007FFE4D74F000-0x00007FFE4D750000-memory.dmp
memory/4960-14-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-31-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-15-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-18-0x000001AD3A600000-0x000001AD3A612000-memory.dmp
memory/4960-13-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-10-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-9-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-8-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-7-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-6-0x000001AD52CB0000-0x000001AD52CD2000-memory.dmp
memory/4960-3-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp
memory/4960-2-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp