Analysis
- max time kernel
148s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
03/05/2024, 09:51
General
- Target fatura.bat.exe
- Size 977KB
- Sample240503-lvgqmsca2s
- SHA256 6703df15130444806d68473d071445cfe26efb0570f06df656711a74d18264f6
Malware Config
Extracted
-
remcos
-
RemoteHost
-
sembe.duckdns.org:14645
-
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
nots.dat
-
keylog_flag
false
-
keylog_folder
note
-
keylog_path
%Temp%
-
mouse_option
false
-
mutex
Rmc-999Z97
-
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.
- 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).
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fatura.bat.exe"C:\Users\Admin\AppData\Local\Temp\fatura.bat.exe"1⤵
- 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\Roaming\KGuxmqSTXgJca.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KGuxmqSTXgJca" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6590.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\fatura.bat.exe"C:\Users\Admin\AppData\Local\Temp\fatura.bat.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\fatura.bat.exe"C:\Users\Admin\AppData\Local\Temp\fatura.bat.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_kt53vtt3.lzs.ps1
nots.dat
tmp6590.tmp
memory/2596-6-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/2596-4-0x0000000005380000-0x000000000538A000-memory.dmp
memory/2596-5-0x00000000056B0000-0x000000000574C000-memory.dmp
memory/2596-42-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/2596-7-0x0000000005620000-0x0000000005636000-memory.dmp
memory/2596-8-0x0000000005650000-0x0000000005666000-memory.dmp
memory/2596-9-0x0000000006C00000-0x0000000006CC0000-memory.dmp
memory/2596-3-0x0000000005390000-0x0000000005422000-memory.dmp
memory/2596-0-0x00000000752CE000-0x00000000752CF000-memory.dmp
memory/2596-2-0x0000000005A80000-0x0000000006024000-memory.dmp
memory/2596-1-0x00000000009E0000-0x0000000000AD4000-memory.dmp
memory/2956-78-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-111-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-109-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-110-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-77-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-108-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-107-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-94-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-86-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-87-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2956-83-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3212-36-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/3212-67-0x0000000007620000-0x00000000076B6000-memory.dmp
memory/3212-68-0x00000000075A0000-0x00000000075B1000-memory.dmp
memory/3212-69-0x00000000075D0000-0x00000000075DE000-memory.dmp
memory/3212-70-0x00000000075E0000-0x00000000075F4000-memory.dmp
memory/3212-71-0x00000000076E0000-0x00000000076FA000-memory.dmp
memory/3212-72-0x00000000076C0000-0x00000000076C8000-memory.dmp
memory/3212-75-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/3212-66-0x0000000007410000-0x000000000741A000-memory.dmp
memory/3212-16-0x0000000005370000-0x0000000005998000-memory.dmp
memory/3212-14-0x0000000002750000-0x0000000002786000-memory.dmp
memory/3212-65-0x00000000073A0000-0x00000000073BA000-memory.dmp
memory/3212-64-0x00000000079F0000-0x000000000806A000-memory.dmp
memory/3212-63-0x0000000007080000-0x0000000007123000-memory.dmp
memory/3212-62-0x0000000006640000-0x000000000665E000-memory.dmp
memory/3212-52-0x0000000075B50000-0x0000000075B9C000-memory.dmp
memory/3212-51-0x0000000007040000-0x0000000007072000-memory.dmp
memory/3212-45-0x0000000006110000-0x000000000615C000-memory.dmp
memory/3212-44-0x0000000006080000-0x000000000609E000-memory.dmp
memory/3212-15-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/3212-20-0x0000000005250000-0x00000000052B6000-memory.dmp
memory/3212-19-0x00000000752C0000-0x0000000075A70000-memory.dmp
memory/3212-31-0x0000000005A60000-0x0000000005DB4000-memory.dmp
memory/3212-18-0x00000000051B0000-0x00000000051D2000-memory.dmp
memory/3212-21-0x00000000059A0000-0x0000000005A06000-memory.dmp