Analysis
- max time kernel
298s - max time network
273s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
23/12/2024, 15:17
General
- Target Quotation.exe
- Size 1.0MB
- Sample241223-spdv5asrf1
- SHA256 905eb3c354f4f1210442b25983482a2612d6354df9c3d26beb9a0bdaf1e9ac04
Malware Config
Extracted
-
remcos
-
RemoteHost
-
185.241.208.87:2404
-
audio_folder
MicRecords
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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-7DRXD9
-
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.
- Remcos family
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Quotation.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\Quotation.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hVWuVAdS.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hVWuVAdS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE37A.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_btaz0ccq.lvm.ps1
tmpE37A.tmp
memory/748-8-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/748-5-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/748-6-0x0000000005220000-0x0000000005238000-memory.dmp
memory/748-7-0x0000000074ECE000-0x0000000074ECF000-memory.dmp
memory/748-4-0x0000000004FD0000-0x0000000004FDA000-memory.dmp
memory/748-9-0x0000000007860000-0x0000000007922000-memory.dmp
memory/748-10-0x000000000A030000-0x000000000A0CC000-memory.dmp
memory/748-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp
memory/748-48-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/748-2-0x00000000054E0000-0x0000000005A84000-memory.dmp
memory/748-1-0x0000000000410000-0x000000000051C000-memory.dmp
memory/748-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp
memory/1552-97-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/1552-20-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/1552-83-0x0000000007B70000-0x0000000007B8A000-memory.dmp
memory/1552-76-0x00000000077A0000-0x00000000077BE000-memory.dmp
memory/1552-86-0x0000000007D70000-0x0000000007D81000-memory.dmp
memory/1552-89-0x0000000007EB0000-0x0000000007ECA000-memory.dmp
memory/1552-59-0x00000000077C0000-0x00000000077F2000-memory.dmp
memory/1552-60-0x0000000075770000-0x00000000757BC000-memory.dmp
memory/1972-70-0x0000000075770000-0x00000000757BC000-memory.dmp
memory/1972-96-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/1972-15-0x0000000002FE0000-0x0000000003016000-memory.dmp
memory/1972-45-0x0000000006530000-0x0000000006884000-memory.dmp
memory/1972-16-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/1972-22-0x0000000006060000-0x0000000006082000-memory.dmp
memory/1972-52-0x00000000068D0000-0x00000000068EE000-memory.dmp
memory/1972-53-0x0000000006E80000-0x0000000006ECC000-memory.dmp
memory/1972-17-0x0000000005A00000-0x0000000006028000-memory.dmp
memory/1972-90-0x0000000007F20000-0x0000000007F28000-memory.dmp
memory/1972-18-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/1972-88-0x0000000007E40000-0x0000000007E54000-memory.dmp
memory/1972-87-0x0000000007E30000-0x0000000007E3E000-memory.dmp
memory/1972-19-0x0000000074EC0000-0x0000000075670000-memory.dmp
memory/1972-24-0x0000000006270000-0x00000000062D6000-memory.dmp
memory/1972-81-0x0000000007B10000-0x0000000007BB3000-memory.dmp
memory/1972-82-0x0000000008240000-0x00000000088BA000-memory.dmp
memory/1972-23-0x0000000006200000-0x0000000006266000-memory.dmp
memory/1972-84-0x0000000007C70000-0x0000000007C7A000-memory.dmp
memory/1972-85-0x0000000007E80000-0x0000000007F16000-memory.dmp
memory/4820-105-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-106-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-56-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-54-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-55-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-44-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-46-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-47-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-98-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-107-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-102-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-103-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-104-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-35-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-25-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-99-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-108-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-109-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-110-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-111-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-112-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-113-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-114-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-115-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-116-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-117-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-118-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-119-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-120-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-121-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4820-122-0x0000000000400000-0x000000000047F000-memory.dmp