Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
05-12-2024 16:01
General
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Target
00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe
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Size
1.0MB
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MD5
b29b16ebb9b0e72685abcb3d1bb10ecb
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SHA1
0447f64739d8b3ff0f1eaa9f8a33ac4bf5a83b9e
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SHA256
00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9
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SHA512
11caef5f251c76848cb02b9c7a4a4bd070fabcca11b5dc5b65e8e4c74b3ac1618fd775712a4a839324713d538d935dc6afc9767c2990bed1736448cd43d1419c
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SSDEEP
24576:nEFEYFTBWob0zYtxuPjwx6EEsRId90km:EFxFISxUwDRE9T
Malware Config
Extracted
remcos
8846455
windowsoctarem.duckdns.org:56892
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
4765-HH3V0S
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos
Remcos is a closed-source remote control and surveillance software.
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Remcos family
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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.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe"C:\Users\Admin\AppData\Local\Temp\00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zkCXHdkRhSWE.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zkCXHdkRhSWE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD31F.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe"C:\Users\Admin\AppData\Local\Temp\00a87ff3c6352b93575ed9b1122a9c77750c2b31e9ee4051e518c582a83b26a9.exe"2⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5dd92edc8b37f1114d719996604dd40be
SHA1f033ea10f3d4fd94a8a280d5c51fb15f8dff6749
SHA25645593849451f68fa991b597ee34109fa1bbedf40ef01705913d543e6f1ea3ea8
SHA512f0e98455a274a8f222d46bc30060d34bc164803e619e757da0e5925939a047467105ab681d741cb063205e00cfae25e2be906bdf0ff6ae2393dcd82e6381ad32
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
96KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
760KB
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Filesize
624KB
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Filesize
5.6MB
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Filesize
7.7MB
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Filesize
1.0MB
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Filesize
40KB
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Filesize
584KB
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Filesize
600KB
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Filesize
6.2MB
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Filesize
120KB
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Filesize
200KB
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Filesize
304KB
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Filesize
104KB
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Filesize
40KB
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Filesize
136KB
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Filesize
3.3MB
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Filesize
408KB
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Filesize
408KB
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Filesize
652KB
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Filesize
68KB
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Filesize
7.7MB
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Filesize
56KB
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Filesize
7.7MB
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Filesize
216KB
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Filesize
80KB
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Filesize
104KB
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Filesize
32KB
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Filesize
7.7MB
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Filesize
304KB
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Filesize
120KB
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Filesize
6.5MB