Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
29/01/2025, 12:19
General
- Target Purchase Order.exe
- Size 1.1MB
- Sample250129-pg6pdswkap
- SHA256 27e9c5e774bf0946e99a7f34d14ded33ca1c236765fbcfda83e234d70d15c652
Malware Config
Extracted
-
remcos
-
RemoteHost
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2.58.56.182:2404
-
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-GM05WY
-
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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.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\Local\Temp\Purchase Order.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\hYpnBXIk.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\hYpnBXIk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8A8.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_pdickxoy.iqc.ps1
tmpF8A8.tmp
memory/2040-74-0x000000006F240000-0x000000006F28C000-memory.dmp
memory/3120-14-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3120-54-0x0000000007CF0000-0x0000000007D0A000-memory.dmp
memory/3120-49-0x0000000007A20000-0x0000000007A2A000-memory.dmp
memory/3120-47-0x0000000007FF0000-0x000000000866A000-memory.dmp
memory/3120-63-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3120-55-0x0000000007CD0000-0x0000000007CD8000-memory.dmp
memory/3120-11-0x0000000002D80000-0x0000000002DB6000-memory.dmp
memory/3120-12-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3120-13-0x0000000005750000-0x0000000005D78000-memory.dmp
memory/3120-50-0x0000000007C30000-0x0000000007CC6000-memory.dmp
memory/3120-15-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3120-17-0x0000000005F90000-0x0000000005FF6000-memory.dmp
memory/3120-23-0x0000000006070000-0x00000000060D6000-memory.dmp
memory/3120-51-0x0000000007BB0000-0x0000000007BC1000-memory.dmp
memory/3120-16-0x0000000005EF0000-0x0000000005F12000-memory.dmp
memory/3120-28-0x00000000061E0000-0x0000000006534000-memory.dmp
memory/3120-29-0x0000000006680000-0x000000000669E000-memory.dmp
memory/3120-30-0x00000000066D0000-0x000000000671C000-memory.dmp
memory/3120-33-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3120-32-0x000000006F240000-0x000000006F28C000-memory.dmp
memory/3120-31-0x0000000006C50000-0x0000000006C82000-memory.dmp
memory/3120-43-0x0000000007850000-0x000000000786E000-memory.dmp
memory/3120-45-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3120-44-0x0000000007870000-0x0000000007913000-memory.dmp
memory/3120-46-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3120-48-0x00000000079B0000-0x00000000079CA000-memory.dmp
memory/3120-53-0x0000000007BF0000-0x0000000007C04000-memory.dmp
memory/3120-52-0x0000000007BE0000-0x0000000007BEE000-memory.dmp
memory/3464-89-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-90-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-98-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-103-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-102-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-100-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-101-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-99-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-95-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-94-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-93-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-91-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3464-87-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3744-4-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3744-8-0x00000000749FE000-0x00000000749FF000-memory.dmp
memory/3744-1-0x0000000000850000-0x000000000096C000-memory.dmp
memory/3744-92-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3744-2-0x0000000005950000-0x0000000005EF4000-memory.dmp
memory/3744-3-0x00000000053A0000-0x0000000005432000-memory.dmp
memory/3744-9-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3744-7-0x0000000006A90000-0x0000000006AAE000-memory.dmp
memory/3744-0-0x00000000749FE000-0x00000000749FF000-memory.dmp
memory/3744-59-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3744-10-0x000000000A870000-0x000000000A934000-memory.dmp
memory/3744-5-0x0000000005360000-0x000000000536A000-memory.dmp
memory/3744-6-0x0000000005600000-0x000000000569C000-memory.dmp