Analysis
- max time kernel
148s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
12/02/2024, 07:52
General
- Target Specifications.scr
- Size 1020KB
- Sample240212-jqpvcaaa35
- SHA256 a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f
Malware Config
Extracted
-
remcos
-
RemoteHost
-
lora1.taiwantradeglobal.com:2404
-
lora2.taiwantradeglobal.com:2404
-
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-R9UMK0
-
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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Specifications.scr"C:\Users\Admin\AppData\Local\Temp\Specifications.scr" /S1⤵
- 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\Specifications.scr"2⤵
- 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\QfWagJoK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QfWagJoK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA76B.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ig4h0cqj.4u4.ps1
tmpA76B.tmp
memory/568-8-0x0000000007B00000-0x0000000007B0E000-memory.dmp
memory/568-11-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/568-6-0x0000000005310000-0x0000000005324000-memory.dmp
memory/568-7-0x0000000007AF0000-0x0000000007AFA000-memory.dmp
memory/568-4-0x0000000005170000-0x0000000005180000-memory.dmp
memory/568-9-0x0000000007B50000-0x0000000007C10000-memory.dmp
memory/568-10-0x0000000007E00000-0x0000000007E9C000-memory.dmp
memory/568-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp
memory/568-12-0x0000000005170000-0x0000000005180000-memory.dmp
memory/568-52-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/568-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp
memory/568-2-0x0000000005570000-0x0000000005B14000-memory.dmp
memory/568-0-0x00000000003E0000-0x00000000004E2000-memory.dmp
memory/568-1-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/3480-84-0x00000000049F0000-0x0000000004A00000-memory.dmp
memory/3480-72-0x000000007F650000-0x000000007F660000-memory.dmp
memory/3480-92-0x0000000007430000-0x0000000007444000-memory.dmp
memory/3480-23-0x00000000049F0000-0x0000000004A00000-memory.dmp
memory/3480-22-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/3480-91-0x0000000007420000-0x000000000742E000-memory.dmp
memory/3480-27-0x00000000056D0000-0x0000000005736000-memory.dmp
memory/3480-33-0x0000000005890000-0x00000000058F6000-memory.dmp
memory/3480-90-0x00000000073F0000-0x0000000007401000-memory.dmp
memory/3480-24-0x00000000049F0000-0x0000000004A00000-memory.dmp
memory/3480-89-0x0000000007470000-0x0000000007506000-memory.dmp
memory/3480-74-0x0000000006EB0000-0x0000000006F53000-memory.dmp
memory/3480-56-0x0000000005EC0000-0x0000000005EDE000-memory.dmp
memory/3480-101-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/3480-87-0x00000000071F0000-0x000000000720A000-memory.dmp
memory/3480-57-0x0000000005F70000-0x0000000005FBC000-memory.dmp
memory/3480-93-0x0000000007530000-0x000000000754A000-memory.dmp
memory/3480-47-0x0000000005B40000-0x0000000005E94000-memory.dmp
memory/3480-59-0x00000000730C0000-0x000000007310C000-memory.dmp
memory/3480-70-0x00000000064F0000-0x000000000650E000-memory.dmp
memory/3480-73-0x00000000049F0000-0x0000000004A00000-memory.dmp
memory/3480-94-0x0000000007510000-0x0000000007518000-memory.dmp
memory/3876-20-0x0000000002B00000-0x0000000002B10000-memory.dmp
memory/3876-85-0x0000000002B00000-0x0000000002B10000-memory.dmp
memory/3876-71-0x00000000730C0000-0x000000007310C000-memory.dmp
memory/3876-86-0x0000000007C60000-0x00000000082DA000-memory.dmp
memory/3876-88-0x0000000007690000-0x000000000769A000-memory.dmp
memory/3876-102-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/3876-17-0x0000000002A00000-0x0000000002A36000-memory.dmp
memory/3876-60-0x000000007F6E0000-0x000000007F6F0000-memory.dmp
memory/3876-18-0x00000000745F0000-0x0000000074DA0000-memory.dmp
memory/3876-58-0x0000000007290000-0x00000000072C2000-memory.dmp
memory/3876-19-0x0000000002B00000-0x0000000002B10000-memory.dmp
memory/3876-21-0x0000000005520000-0x0000000005B48000-memory.dmp
memory/3876-25-0x0000000005430000-0x0000000005452000-memory.dmp
memory/4612-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-104-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-105-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-107-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-110-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-111-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-113-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-119-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-121-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-122-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-123-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-125-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-126-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-127-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-129-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-130-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-131-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-133-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-134-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-135-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-137-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-138-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-139-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-141-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-142-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-143-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-145-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-146-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-147-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-149-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-150-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-151-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-153-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-154-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-155-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-157-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-158-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-159-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-161-0x0000000000400000-0x0000000000482000-memory.dmp