Analysis
- max time kernel
63s - max time network
66s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
14/05/2024, 10:19
General
- Target b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe
- Size 978KB
- Sample240514-mcmplsca78
- SHA256 b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3
Malware Config
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- 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).
- Program crash 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe"C:\Users\Admin\AppData\Local\Temp\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\Roaming\jGiHPUkzfFmtq.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jGiHPUkzfFmtq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5AE1.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe"C:\Users\Admin\AppData\Local\Temp\b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 5683⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4588 -ip 45881⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_nfc4dcia.dmt.ps1
tmp5AE1.tmp
memory/3200-80-0x0000000007530000-0x0000000007544000-memory.dmp
memory/3200-81-0x0000000007630000-0x000000000764A000-memory.dmp
memory/3200-20-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/3200-79-0x0000000007520000-0x000000000752E000-memory.dmp
memory/3200-53-0x000000006EEE0000-0x000000006EF2C000-memory.dmp
memory/3200-50-0x0000000006560000-0x00000000065AC000-memory.dmp
memory/3200-48-0x0000000005FD0000-0x0000000005FEE000-memory.dmp
memory/3200-26-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/3200-82-0x0000000007610000-0x0000000007618000-memory.dmp
memory/3200-88-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4392-11-0x0000000007820000-0x00000000078E0000-memory.dmp
memory/4392-10-0x00000000067D0000-0x00000000067E6000-memory.dmp
memory/4392-1-0x0000000000F60000-0x000000000105A000-memory.dmp
memory/4392-2-0x0000000006000000-0x00000000065A4000-memory.dmp
memory/4392-3-0x0000000005A50000-0x0000000005AE2000-memory.dmp
memory/4392-4-0x0000000005C30000-0x0000000005F84000-memory.dmp
memory/4392-5-0x0000000005BC0000-0x0000000005BCA000-memory.dmp
memory/4392-7-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4392-0-0x000000007445E000-0x000000007445F000-memory.dmp
memory/4392-6-0x00000000067E0000-0x000000000687C000-memory.dmp
memory/4392-8-0x00000000067B0000-0x00000000067D0000-memory.dmp
memory/4392-9-0x0000000006790000-0x00000000067A0000-memory.dmp
memory/4392-49-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4572-21-0x0000000004CE0000-0x0000000004D02000-memory.dmp
memory/4572-76-0x0000000006F40000-0x0000000006F4A000-memory.dmp
memory/4572-17-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4572-52-0x000000006EEE0000-0x000000006EF2C000-memory.dmp
memory/4572-71-0x0000000006150000-0x000000000616E000-memory.dmp
memory/4572-72-0x0000000006D80000-0x0000000006E23000-memory.dmp
memory/4572-51-0x0000000006D40000-0x0000000006D72000-memory.dmp
memory/4572-74-0x0000000007510000-0x0000000007B8A000-memory.dmp
memory/4572-75-0x0000000006ED0000-0x0000000006EEA000-memory.dmp
memory/4572-89-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4572-77-0x0000000007150000-0x00000000071E6000-memory.dmp
memory/4572-78-0x00000000070D0000-0x00000000070E1000-memory.dmp
memory/4572-19-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4572-16-0x0000000000E30000-0x0000000000E66000-memory.dmp
memory/4572-18-0x0000000004D90000-0x00000000053B8000-memory.dmp
memory/4572-22-0x0000000005430000-0x0000000005496000-memory.dmp
memory/4572-23-0x0000000005550000-0x00000000055B6000-memory.dmp
memory/4572-24-0x0000000074450000-0x0000000074C00000-memory.dmp
memory/4588-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4588-45-0x0000000000400000-0x0000000000482000-memory.dmp