Analysis
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max time kernel
151s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
22-09-2022 07:57
Static task
static1
Behavioral task
behavioral1
Sample
image001.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
image001.exe
Resource
win10v2004-20220901-en
General
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Target
image001.exe
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Size
139KB
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MD5
3ff883485df0487ddc2d0f65db260680
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SHA1
4dfeb7c1e8077631751028fb4b13ba2e79bcd1aa
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SHA256
9c0aa31bc4f16dca5d64c7eea86b41ea406a7f234e59fd13fa5c15128432e217
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SHA512
92124151e9b2684419c47c54dc3e716456a5aa6a66c1a8522a020f71e1dcb999675bffa9526dfe9f667b699e2a2c97954045c377940ad7f0cbd1c09701aa5a13
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SSDEEP
3072:Lls89Bs5bEg6AAAITTE4R2GZzuj7Fnkob8x4zJL6:moBs5bEg6/T44R2GZzuj7Fkob8x
Malware Config
Extracted
remcos
StarMoneyNew
185.252.178.35:41900
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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-6RGOTF
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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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
image001.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation image001.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
image001.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cloud = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Adobe\\Cloud.exe\"" image001.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
image001.exedescription pid process target process PID 4752 set thread context of 1080 4752 image001.exe image001.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
powershell.exeimage001.exepid process 1180 powershell.exe 1180 powershell.exe 4752 image001.exe 4752 image001.exe 4752 image001.exe 4752 image001.exe 4752 image001.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
image001.exepowershell.exedescription pid process Token: SeDebugPrivilege 4752 image001.exe Token: SeDebugPrivilege 1180 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
image001.exedescription pid process target process PID 4752 wrote to memory of 1180 4752 image001.exe powershell.exe PID 4752 wrote to memory of 1180 4752 image001.exe powershell.exe PID 4752 wrote to memory of 1180 4752 image001.exe powershell.exe PID 4752 wrote to memory of 4628 4752 image001.exe image001.exe PID 4752 wrote to memory of 4628 4752 image001.exe image001.exe PID 4752 wrote to memory of 4628 4752 image001.exe image001.exe PID 4752 wrote to memory of 548 4752 image001.exe image001.exe PID 4752 wrote to memory of 548 4752 image001.exe image001.exe PID 4752 wrote to memory of 548 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe PID 4752 wrote to memory of 1080 4752 image001.exe image001.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\image001.exe"C:\Users\Admin\AppData\Local\Temp\image001.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- 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 UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA2AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\image001.exeC:\Users\Admin\AppData\Local\Temp\image001.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\image001.exeC:\Users\Admin\AppData\Local\Temp\image001.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\image001.exeC:\Users\Admin\AppData\Local\Temp\image001.exe2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/548-145-0x0000000000000000-mapping.dmp
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memory/1080-151-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/1080-150-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/1080-149-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/1080-148-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/1080-147-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/1080-146-0x0000000000000000-mapping.dmp
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memory/1180-137-0x0000000005520000-0x0000000005586000-memory.dmpFilesize
408KB
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memory/1180-140-0x0000000007AA0000-0x000000000811A000-memory.dmpFilesize
6.5MB
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memory/1180-141-0x0000000006930000-0x000000000694A000-memory.dmpFilesize
104KB
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memory/1180-139-0x0000000006440000-0x000000000645E000-memory.dmpFilesize
120KB
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memory/1180-138-0x0000000005E50000-0x0000000005EB6000-memory.dmpFilesize
408KB
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memory/1180-136-0x0000000005820000-0x0000000005E48000-memory.dmpFilesize
6.2MB
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memory/1180-135-0x0000000002E50000-0x0000000002E86000-memory.dmpFilesize
216KB
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memory/1180-134-0x0000000000000000-mapping.dmp
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memory/4628-144-0x0000000000000000-mapping.dmp
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memory/4752-142-0x000000000CEF0000-0x000000000CF82000-memory.dmpFilesize
584KB
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memory/4752-143-0x000000000F800000-0x000000000FDA4000-memory.dmpFilesize
5.6MB
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memory/4752-132-0x0000000000030000-0x0000000000058000-memory.dmpFilesize
160KB
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memory/4752-133-0x0000000009450000-0x0000000009472000-memory.dmpFilesize
136KB