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Analysis
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max time kernel
149s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04/09/2024, 12:49
Static task
static1
Behavioral task
behavioral1
Sample
465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe
Resource
win7-20240903-en
General
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Target
465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe
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Size
895KB
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MD5
7441688208521af2eace2cecd3872f24
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SHA1
4dd23aa0e9a5f340f5a1da50c272ec7047bbece1
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SHA256
465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf
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SHA512
be85c5f93a32a6fa244dbffc5dbabbfe007120065a9ed48faebc337e3e8496591d58a424d6026e8312675d476329942a60205d2349b598390b8176cd033459ce
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SSDEEP
24576:n2BRYbqRRw+dsXFdyA8vY+P45afP16P1f9xER:n2BRlRRxdVTIy6P1rER
Malware Config
Extracted
remcos
5764576
172.93.218.178:45667
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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
765-XJJE0J
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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
Signatures
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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 2336 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2544 set thread context of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2704 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2336 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2336 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2544 wrote to memory of 2336 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 31 PID 2544 wrote to memory of 2336 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 31 PID 2544 wrote to memory of 2336 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 31 PID 2544 wrote to memory of 2336 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 31 PID 2544 wrote to memory of 2704 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 32 PID 2544 wrote to memory of 2704 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 32 PID 2544 wrote to memory of 2704 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 32 PID 2544 wrote to memory of 2704 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 32 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35 PID 2544 wrote to memory of 2928 2544 465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe"C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OUsyxJ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2336
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OUsyxJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCB1.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2704
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C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe"C:\Users\Admin\AppData\Local\Temp\465c79cd8303aac9888982f9edbca10aecbf7b0dca4df78d2c3a2bb429104ebf.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2928
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5bb465d560f35dc88979d1d6d851df0aa
SHA163a16009b9238626fba47f462b7b5bc70a0f9451
SHA2560bbcbc775c3766c781fe7d7c7035d66bfb50c03aa033abdf26c030ba34a71036
SHA512b0744d374440c4db4c3a15163145701d4a3e3524f2c01a7d0e9cafc105bf3dc087df2ba5458dda8ffda650b0b7e1c5e012571b9a4c908309b532cb734b6d3f13