Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
08/11/2022, 18:45
General
- Target SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe
- Size 2.3MB
- Sample221108-xd2v2acbd9
- SHA256 5903351df18ec7eb5de3f2572cb84d18fdbc6e4af800386f4a714285f2ed52aa
Malware Config
Extracted
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remcos
-
FAITH
-
185.206.225.51:18853
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127.0.0.1:18853
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10.16.225.165:18853
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audio_folder
MicRecords
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audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
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connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
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delete_file
false
-
hide_file
false
-
hide_keylog_file
false
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install_flag
false
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install_path
%AppData%
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keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
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keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-QQ9K6X
-
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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAzAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.IL.Trojan.MSILZilla.23856.3058.1898.exe2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1224-132-0x0000000000C70000-0x0000000000EBE000-memory.dmp
memory/1224-133-0x0000000005BC0000-0x0000000005BE2000-memory.dmp
memory/2228-135-0x0000000002500000-0x0000000002536000-memory.dmp
memory/2228-136-0x0000000004CF0000-0x0000000005318000-memory.dmp
memory/2228-137-0x0000000004C00000-0x0000000004C66000-memory.dmp
memory/2228-138-0x0000000005490000-0x00000000054F6000-memory.dmp
memory/2228-139-0x0000000005AA0000-0x0000000005ABE000-memory.dmp
memory/2228-140-0x00000000070F0000-0x000000000776A000-memory.dmp
memory/2228-141-0x0000000005F70000-0x0000000005F8A000-memory.dmp
memory/2392-143-0x0000000000400000-0x000000000047B000-memory.dmp
memory/2392-144-0x0000000000400000-0x000000000047B000-memory.dmp
memory/2392-145-0x0000000000400000-0x000000000047B000-memory.dmp
memory/2392-146-0x0000000000400000-0x000000000047B000-memory.dmp
memory/2392-147-0x0000000000400000-0x000000000047B000-memory.dmp