Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-12-2024 19:40
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240903-en
General
-
Target
file.exe
-
Size
1.0MB
-
MD5
065a6053492ecc989755413d4b9cffea
-
SHA1
9955cde6556837bc877e596c5b206df39d060a00
-
SHA256
be5fbed126be0685414464f8d18c42027cbb09c884640c35e2420f96c0d254df
-
SHA512
1185623940e192747b0c794c3e63c56ad6f941dca6cccf5db2cbf57ccf3cca6b3ba49aa9922dfde87c82b69920c48222c249b70e13915e542dfb6e11072c9588
-
SSDEEP
24576:60u2uOCjadxmISCQDJ8wovaxTFfJDe4Pu2:6euCfLQ5xTFd5
Malware Config
Extracted
remcos
elvis
107.173.4.16:2560
-
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
Rmc-T6WK9E
-
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 family
-
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.
pid Process 2700 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation file.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3032 set thread context of 4468 3032 file.exe 101 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2212 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2700 powershell.exe 2700 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2700 powershell.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 3032 wrote to memory of 2700 3032 file.exe 97 PID 3032 wrote to memory of 2700 3032 file.exe 97 PID 3032 wrote to memory of 2700 3032 file.exe 97 PID 3032 wrote to memory of 2212 3032 file.exe 99 PID 3032 wrote to memory of 2212 3032 file.exe 99 PID 3032 wrote to memory of 2212 3032 file.exe 99 PID 3032 wrote to memory of 4468 3032 file.exe 101 PID 3032 wrote to memory of 4468 3032 file.exe 101 PID 3032 wrote to memory of 4468 3032 file.exe 101 PID 3032 wrote to memory of 4468 3032 file.exe 101 PID 3032 wrote to memory of 4468 3032 file.exe 101 PID 3032 wrote to memory of 4468 3032 file.exe 101 PID 3032 wrote to memory of 4468 3032 file.exe 101 PID 3032 wrote to memory of 4468 3032 file.exe 101 PID 3032 wrote to memory of 4468 3032 file.exe 101 PID 3032 wrote to memory of 4468 3032 file.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DcBNSgyxoJFip.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2700
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DcBNSgyxoJFip" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD060.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2212
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:4468
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD585ed6311fa1858321d306a9caa4d7f5d
SHA1b40fbe695a6e23275629f6f32f704354b4ac6696
SHA256143bca434c7078ea6557c9c3988b97962ea5a13256cec3564fbf72faec37c60b
SHA5123837b0e37c2a62934cf9b92cc6c672b47a4e32c66b818a7a10fa718e865d31f90176fcc62080770943b7352104c48f8d909846991c929fb65118d299a0209eb4