Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
09-10-2022 05:23
Static task
static1
Behavioral task
behavioral1
Sample
new sample order.scr.exe
Resource
win7-20220812-en
General
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Target
new sample order.scr.exe
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Size
1.2MB
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MD5
c8bf4105a84397474e1a5b351f2a7879
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SHA1
522757ccc1279c4eccf0164a75d140457ba68f90
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SHA256
e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc
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SHA512
0cbe98011bcf8fcdd50f6cdb81d84172db840767cc5e3185a184807a04f84c9e9262c7b15c2936c51c1e2d52448b8c00e105e5fa5c16669bdd0f09dc0b95a805
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SSDEEP
12288:527kW06R/4ventCvUR+YGSXHE8rYd8MOimm830PVV+kLA4IAW9zoSDF9nvIo3S9L:qp4vetCvUaLwPm80PpIV9cSbIOKOMF
Malware Config
Extracted
remcos
IP-REMCOS
91.192.100.12:2404
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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-JS00ZN
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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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Suspicious use of SetThreadContext 1 IoCs
Processes:
new sample order.scr.exedescription pid process target process PID 1972 set thread context of 288 1972 new sample order.scr.exe new sample order.scr.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 1360 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1360 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
new sample order.scr.exepid process 288 new sample order.scr.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
new sample order.scr.exedescription pid process target process PID 1972 wrote to memory of 1360 1972 new sample order.scr.exe powershell.exe PID 1972 wrote to memory of 1360 1972 new sample order.scr.exe powershell.exe PID 1972 wrote to memory of 1360 1972 new sample order.scr.exe powershell.exe PID 1972 wrote to memory of 1360 1972 new sample order.scr.exe powershell.exe PID 1972 wrote to memory of 856 1972 new sample order.scr.exe schtasks.exe PID 1972 wrote to memory of 856 1972 new sample order.scr.exe schtasks.exe PID 1972 wrote to memory of 856 1972 new sample order.scr.exe schtasks.exe PID 1972 wrote to memory of 856 1972 new sample order.scr.exe schtasks.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe PID 1972 wrote to memory of 288 1972 new sample order.scr.exe new sample order.scr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\new sample order.scr.exe"C:\Users\Admin\AppData\Local\Temp\new sample order.scr.exe"1⤵
- 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\Roaming\kxyzbuoXXJJ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kxyzbuoXXJJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B85.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\new sample order.scr.exe"C:\Users\Admin\AppData\Local\Temp\new sample order.scr.exe"2⤵
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp9B85.tmpFilesize
1KB
MD5b56ad20a792fab575993cbf6d5675a5d
SHA1f19353c5457c5c9fa21da46ef427bbcbb2657ff0
SHA256546e785ea1112acd1fb6be67136753b257cf66ebc377d435f2a5a61fb1183869
SHA512b77faa048d5d12c92b7b802f01e6692fe944cc851bc0e229a906c917a7a18417dc930f79a9a867240904f98958e2d88ba4e1b14e23a816d1b8bd45e3415ba9a1
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memory/288-77-0x00000000004327A4-mapping.dmp
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memory/288-76-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-67-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-69-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-83-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-80-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-74-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-72-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-64-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-70-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-71-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-84-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/288-65-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/856-60-0x0000000000000000-mapping.dmp
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memory/1360-81-0x000000006E440000-0x000000006E9EB000-memory.dmpFilesize
5.7MB
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memory/1360-82-0x000000006E440000-0x000000006E9EB000-memory.dmpFilesize
5.7MB
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memory/1360-59-0x0000000000000000-mapping.dmp
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memory/1972-57-0x0000000000390000-0x000000000039C000-memory.dmpFilesize
48KB
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memory/1972-63-0x0000000008300000-0x000000000837C000-memory.dmpFilesize
496KB
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memory/1972-55-0x0000000075501000-0x0000000075503000-memory.dmpFilesize
8KB
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memory/1972-56-0x0000000000370000-0x000000000038C000-memory.dmpFilesize
112KB
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memory/1972-54-0x0000000000940000-0x0000000000A7A000-memory.dmpFilesize
1.2MB
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memory/1972-58-0x00000000081A0000-0x0000000008272000-memory.dmpFilesize
840KB