Analysis
- max time kernel
147s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
18/10/2022, 15:37
General
- Target Multipack Supplier order 2210018.exe
- Size 6KB
- Sample221018-s2g4bagcg7
- SHA256 078422c6e4abfcec4afb4cdcee22f4353fbab4a1fc4b2ae611cdc6b9d05517c2
Malware Config
Extracted
-
remcos
-
50505
-
41.216.183.96:50505
-
audio_folder
MicRecords
-
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-W7RE6J
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Multipack Supplier order 2210018.exe"C:\Users\Admin\AppData\Local\Temp\Multipack Supplier order 2210018.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA2AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Multipack Supplier order 2210018.exe"C:\Users\Admin\AppData\Local\Temp\Multipack Supplier order 2210018.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Multipack Supplier order 2210018.exe"C:\Users\Admin\AppData\Local\Temp\Multipack Supplier order 2210018.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3624-150-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3624-149-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3624-148-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3624-147-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3624-146-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4868-136-0x0000000004EF0000-0x0000000005518000-memory.dmp
memory/4868-140-0x0000000007750000-0x0000000007DCA000-memory.dmp
memory/4868-141-0x00000000061B0000-0x00000000061CA000-memory.dmp
memory/4868-139-0x0000000005CE0000-0x0000000005CFE000-memory.dmp
memory/4868-138-0x00000000056E0000-0x0000000005746000-memory.dmp
memory/4868-137-0x0000000005600000-0x0000000005666000-memory.dmp
memory/4868-135-0x0000000002750000-0x0000000002786000-memory.dmp
memory/4900-142-0x0000000006750000-0x00000000067E2000-memory.dmp
memory/4900-143-0x0000000036720000-0x0000000036CC4000-memory.dmp
memory/4900-132-0x0000000000830000-0x0000000000838000-memory.dmp
memory/4900-133-0x0000000005E20000-0x0000000005E42000-memory.dmp