Analysis
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max time kernel
106s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2023 10:51
Static task
static1
Behavioral task
behavioral1
Sample
cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.exe
Resource
win10v2004-20221111-en
General
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Target
cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.exe
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Size
1MB
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MD5
db77cacff97989bb1c1d64ddcad046da
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SHA1
7c38eff8b0175f0cfef7a31112222ed0e3c144b1
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SHA256
cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145
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SHA512
38de264a721bc7a00b0914bb4ce41b5969092e5398630e9c7bca4a7a91e841405b91e05f7aff442b9647c35f77fc6e8b8b001c0b3053d647bb9ea2d87d52a221
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SSDEEP
24576:UDWHSb4N70rKKUsu0Wl53iW9T5z/WOcQ2cZFFIuLI38SYI4O2wW0B:v84U8V/JcQDPL46I4ODtB
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.exe -
Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 4240 rundll32.exe 3656 rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 11 IoCs
Processes:
cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.execontrol.exerundll32.exeRunDll32.exedescription pid process target process PID 4248 wrote to memory of 4268 4248 cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.exe control.exe PID 4248 wrote to memory of 4268 4248 cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.exe control.exe PID 4248 wrote to memory of 4268 4248 cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.exe control.exe PID 4268 wrote to memory of 4240 4268 control.exe rundll32.exe PID 4268 wrote to memory of 4240 4268 control.exe rundll32.exe PID 4268 wrote to memory of 4240 4268 control.exe rundll32.exe PID 4240 wrote to memory of 3756 4240 rundll32.exe RunDll32.exe PID 4240 wrote to memory of 3756 4240 rundll32.exe RunDll32.exe PID 3756 wrote to memory of 3656 3756 RunDll32.exe rundll32.exe PID 3756 wrote to memory of 3656 3756 RunDll32.exe rundll32.exe PID 3756 wrote to memory of 3656 3756 RunDll32.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.exe"C:\Users\Admin\AppData\Local\Temp\cded11cb2f89ab0caafaa53d02cdd39682aab2fa82011565a5a5857fdf9bb145.exe"
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\control.exe"C:\Windows\System32\control.exe" .\U_U5.B1
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL .\U_U5.B1
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\RunDll32.exeC:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL .\U_U5.B1
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 .\U_U5.B1
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\U_U5.B1Filesize
1MB
MD5cc1e2e03ad0761d2f95842b6d20854ad
SHA17d9aed0eee2cb5fbec7b6a4bfc064e22d855d2cf
SHA256042f8e826dc5956f74d1b35c0b7cd4c0a11ae417077af4cd8c55e030cbce288a
SHA5123f9ee45e284450572906c6e835a54dbcf341329c2852e6e476d408b6fbb49c7f59aa9ed746803f195df058548becb1a311940614f351fbeddd6a175228643d10
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C:\Users\Admin\AppData\Local\Temp\u_u5.b1Filesize
1MB
MD5cc1e2e03ad0761d2f95842b6d20854ad
SHA17d9aed0eee2cb5fbec7b6a4bfc064e22d855d2cf
SHA256042f8e826dc5956f74d1b35c0b7cd4c0a11ae417077af4cd8c55e030cbce288a
SHA5123f9ee45e284450572906c6e835a54dbcf341329c2852e6e476d408b6fbb49c7f59aa9ed746803f195df058548becb1a311940614f351fbeddd6a175228643d10
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C:\Users\Admin\AppData\Local\Temp\u_u5.b1Filesize
1MB
MD5cc1e2e03ad0761d2f95842b6d20854ad
SHA17d9aed0eee2cb5fbec7b6a4bfc064e22d855d2cf
SHA256042f8e826dc5956f74d1b35c0b7cd4c0a11ae417077af4cd8c55e030cbce288a
SHA5123f9ee45e284450572906c6e835a54dbcf341329c2852e6e476d408b6fbb49c7f59aa9ed746803f195df058548becb1a311940614f351fbeddd6a175228643d10
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memory/3656-145-0x0000000000000000-mapping.dmp
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memory/3656-153-0x0000000002BD0000-0x0000000002CA0000-memory.dmpFilesize
832KB
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memory/3656-151-0x0000000002AE0000-0x0000000002BC7000-memory.dmpFilesize
924KB
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memory/3656-150-0x0000000000B70000-0x0000000000B76000-memory.dmpFilesize
24KB
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memory/3756-144-0x0000000000000000-mapping.dmp
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memory/4240-142-0x0000000002F20000-0x0000000002FF0000-memory.dmpFilesize
832KB
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memory/4240-141-0x0000000002F20000-0x0000000002FF0000-memory.dmpFilesize
832KB
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memory/4240-140-0x0000000002E30000-0x0000000002F17000-memory.dmpFilesize
924KB
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memory/4240-139-0x00000000028A0000-0x00000000028A6000-memory.dmpFilesize
24KB
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memory/4240-136-0x0000000000400000-0x0000000000565000-memory.dmpFilesize
1MB
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memory/4240-133-0x0000000000000000-mapping.dmp
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memory/4268-132-0x0000000000000000-mapping.dmp