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Analysis
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max time kernel
148s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
25/06/2024, 01:23
Static task
static1
Behavioral task
behavioral1
Sample
4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe
Resource
win10v2004-20240508-en
General
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Target
4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe
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Size
927KB
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MD5
18416919737cea3ac328aa30560e3be4
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SHA1
c446f65f62326e534c1627af9d836e58d28d88d5
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SHA256
4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2
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SHA512
f53d846d4507541113feb3244acd9c66e1649d29f3c1331c30d8bd7cd5f478482a7313882b5d191e037d1592d695c3d85522272a6d0f816ca8f63e177ce870a8
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SSDEEP
24576:W0HPaXjcpYXYrq05AuW7FzuT8udqrPvVmiN0nL:BaTi/xksbdq3Ei0n
Malware Config
Extracted
remcos
RemoteHost
185.29.9.102:7711
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audio_folder
MicRecords
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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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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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mouse_option
false
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mutex
Rmc-4EOZOA
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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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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 19 IoCs
resource yara_rule behavioral1/memory/2788-22-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-19-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-17-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-24-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-18-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-16-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-14-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-29-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-28-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-31-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-32-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-33-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-34-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-35-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-36-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-37-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-38-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-39-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral1/memory/2788-40-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Detects executables packed with SmartAssembly 1 IoCs
resource yara_rule behavioral1/memory/2156-6-0x0000000000920000-0x000000000092C000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2644 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2156 set thread context of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2644 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2644 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2156 wrote to memory of 2644 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 28 PID 2156 wrote to memory of 2644 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 28 PID 2156 wrote to memory of 2644 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 28 PID 2156 wrote to memory of 2644 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 28 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30 PID 2156 wrote to memory of 2788 2156 4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe"C:\Users\Admin\AppData\Local\Temp\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2156 -
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\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644
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C:\Users\Admin\AppData\Local\Temp\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe"C:\Users\Admin\AppData\Local\Temp\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe"2⤵PID:2788
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