Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
16/11/2022, 05:41
General
- Target SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe
- Size 2.1MB
- Sample221116-gdfd2ahd34
- SHA256 b4de787d10b719474c2276e98e3471e5791aaec733cdc7259fc73b95ff602d7b
Malware Config
Extracted
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remcos
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2.7.1 Pro
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Favour
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46.183.216.163:8107
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127.0.0.1:8107
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10.26.173.68:8107
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audio_folder
MicRecords
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audio_path
%AppData%
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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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install_path
%AppData%
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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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keylog_path
%AppData%
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mouse_option
false
-
mutex
Remcos-50BPKE
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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
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take_screenshot_title
wikipedia;solitaire;
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.
- 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 16 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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.Variant.Lazy.262626.1137.29884.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.262626.1137.29884.exe2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1812-150-0x0000000000400000-0x0000000000421000-memory.dmp
memory/1812-149-0x0000000000400000-0x0000000000421000-memory.dmp
memory/1812-147-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2184-133-0x0000000005300000-0x00000000058A4000-memory.dmp
memory/2184-134-0x0000000004D50000-0x0000000004DE2000-memory.dmp
memory/2184-135-0x0000000005280000-0x000000000528A000-memory.dmp
memory/2184-136-0x0000000007170000-0x0000000007192000-memory.dmp
memory/2184-132-0x0000000000130000-0x0000000000358000-memory.dmp
memory/4056-140-0x00000000062B0000-0x0000000006316000-memory.dmp
memory/4056-143-0x0000000008010000-0x000000000868A000-memory.dmp
memory/4056-144-0x0000000006EC0000-0x0000000006EDA000-memory.dmp
memory/4056-142-0x00000000069B0000-0x00000000069CE000-memory.dmp
memory/4056-141-0x0000000006390000-0x00000000063F6000-memory.dmp
memory/4056-139-0x0000000005A90000-0x00000000060B8000-memory.dmp
memory/4056-138-0x00000000053E0000-0x0000000005416000-memory.dmp