Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
24/07/2024, 01:19
General
- Target Erste_Group_Zahlungsbenachrichtigung.pdf.exe
- Size 969KB
- Sample240724-bplsasshnd
- SHA256 cb810150b6ce80f61a808726d5abfbf598239c2e8f260f83bc27d6be9488f45e
Malware Config
Extracted
-
remcos
-
RemoteHost
-
212.162.149.42:7118
-
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-WYBPPO
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Erste_Group_Zahlungsbenachrichtigung.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Erste_Group_Zahlungsbenachrichtigung.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\Erste_Group_Zahlungsbenachrichtigung.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Erste_Group_Zahlungsbenachrichtigung.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Erste_Group_Zahlungsbenachrichtigung.pdf.exe"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_5xvb3f4r.cu2.ps1
memory/1444-59-0x0000000007C70000-0x0000000007D06000-memory.dmp
memory/1444-61-0x0000000007C20000-0x0000000007C2E000-memory.dmp
memory/1444-37-0x0000000006660000-0x00000000066AC000-memory.dmp
memory/1444-67-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/1444-64-0x0000000007D10000-0x0000000007D18000-memory.dmp
memory/1444-63-0x0000000007D30000-0x0000000007D4A000-memory.dmp
memory/1444-62-0x0000000007C30000-0x0000000007C44000-memory.dmp
memory/1444-36-0x0000000006620000-0x000000000663E000-memory.dmp
memory/1444-60-0x0000000007BF0000-0x0000000007C01000-memory.dmp
memory/1444-58-0x0000000007A60000-0x0000000007A6A000-memory.dmp
memory/1444-57-0x00000000079F0000-0x0000000007A0A000-memory.dmp
memory/1444-56-0x0000000008040000-0x00000000086BA000-memory.dmp
memory/1444-55-0x0000000007840000-0x00000000078E3000-memory.dmp
memory/1444-54-0x0000000007820000-0x000000000783E000-memory.dmp
memory/1444-16-0x0000000002D20000-0x0000000002D56000-memory.dmp
memory/1444-20-0x0000000005890000-0x0000000005EB8000-memory.dmp
memory/1444-19-0x0000000074ABE000-0x0000000074ABF000-memory.dmp
memory/1444-44-0x00000000713A0000-0x00000000713EC000-memory.dmp
memory/1444-43-0x0000000006C20000-0x0000000006C52000-memory.dmp
memory/1444-21-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/1444-22-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/1444-23-0x0000000005780000-0x00000000057A2000-memory.dmp
memory/1444-24-0x0000000005820000-0x0000000005886000-memory.dmp
memory/1444-35-0x0000000006130000-0x0000000006484000-memory.dmp
memory/1444-25-0x0000000005FC0000-0x0000000006026000-memory.dmp
memory/2712-4-0x0000000005340000-0x000000000534A000-memory.dmp
memory/2712-1-0x0000000000860000-0x0000000000956000-memory.dmp
memory/2712-3-0x00000000053A0000-0x0000000005432000-memory.dmp
memory/2712-10-0x0000000074ABE000-0x0000000074ABF000-memory.dmp
memory/2712-8-0x0000000005880000-0x000000000588E000-memory.dmp
memory/2712-5-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/2712-6-0x0000000005660000-0x00000000056FC000-memory.dmp
memory/2712-18-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/2712-7-0x0000000005870000-0x0000000005880000-memory.dmp
memory/2712-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp
memory/2712-9-0x0000000006690000-0x000000000674E000-memory.dmp
memory/2712-2-0x00000000058B0000-0x0000000005E54000-memory.dmp
memory/3920-14-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-38-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-11-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-13-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-17-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-40-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-69-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-68-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-39-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-70-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-72-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-71-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3920-76-0x0000000000400000-0x000000000047F000-memory.dmp