Analysis
-
max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23-12-2024 12:46
Static task
static1
Behavioral task
behavioral1
Sample
cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe
Resource
win10v2004-20241007-en
General
-
Target
cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe
-
Size
1.4MB
-
MD5
79fc587b75385d13a0aefbb63b8f83a5
-
SHA1
fa71271dfc2926c711a1adf676e42ba7ab5421fa
-
SHA256
cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3
-
SHA512
217f0a63af9960e7ac5e705da10b675d0ee8573396d819aa7e013766cd34c292e1afa8439d6c55c9f35e003fb06eb5278c2e8340a966da8e1c8b2a36498aa08d
-
SSDEEP
24576:QGnA++3gtc0rx4bYY8nwoTsSofnHZPvg4l7v7aeUYSikCqRy:6++3sOMwo6Z3zlzlBSikCk
Malware Config
Extracted
remcos
FRESH PORT
emarketinglatakva.ddns.net:9794
-
audio_folder
MicRecords
-
audio_path
%AppData%
-
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
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-Z9DAML
-
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
-
take_screenshot_title
notepad;solitaire;
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 2728 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 328 set thread context of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 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 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.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 2856 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 2728 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe Token: SeDebugPrivilege 2728 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2764 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 328 wrote to memory of 2728 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 31 PID 328 wrote to memory of 2728 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 31 PID 328 wrote to memory of 2728 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 31 PID 328 wrote to memory of 2728 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 31 PID 328 wrote to memory of 2856 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 33 PID 328 wrote to memory of 2856 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 33 PID 328 wrote to memory of 2856 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 33 PID 328 wrote to memory of 2856 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 33 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35 PID 328 wrote to memory of 2764 328 cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe 35
Processes
-
C:\Users\Admin\AppData\Local\Temp\cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe"C:\Users\Admin\AppData\Local\Temp\cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:328 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ijAhEpVZOK.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ijAhEpVZOK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4CAA.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2856
-
-
C:\Users\Admin\AppData\Local\Temp\cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe"C:\Users\Admin\AppData\Local\Temp\cdc54d976ad3af85f5f268a0efd2f0e19fede6b0d2e11eed89d4b24fe98c5cd3.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2764
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5efc1cf3385d8b364d24d5c01cb1a1e02
SHA14708a15799e1f326a0b818f4be470c21e94a975a
SHA256a6338e5809f4ce740d733e1e7d12e4947854495430d7a623e8a30a9d0bbe4306
SHA512bcaaf4a704457ccf6402bb8c497f36e0c3203d224031b50b8eccfece74d2236ad694a1bd73431eddf04043a834f66c88e7ba8b391e1c11308c5884ed6de5573e
-
Filesize
144B
MD5cd49a337fa9df4f97665c8ff69bd3770
SHA1b4c922a36efba66b05c71daff0341e226b1fc371
SHA25661ebdf6f1459eadccaf5da4441d1a0ce94dd26faaa5ab389abbb51fc06c29ea7
SHA5129a0b550be51b8e86ac1cdd86d1019d3ab27356e378d97c82f8c6c18a079ede5a13ef1ab6343f5c27682eed2c86472045d7656c8f42d6950b528d3a4e9ce5eb5c