Analysis
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max time kernel
146s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 17:09
Static task
static1
Behavioral task
behavioral1
Sample
570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c.exe
Resource
win10v2004-20221111-en
General
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Target
570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c.exe
-
Size
156KB
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MD5
8f3b4ef91ab479ea77718ef3f8eb9872
-
SHA1
bc25e13503165000f710febaebe2d4c6e66c78ef
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SHA256
570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c
-
SHA512
af9d6cb4a9d90b7f9df713215d61ca55071164eb8afa79363007317bae0b8ffa6ea4179c737579d5731c05f49010b223c58ef8e30b394ce5875f840e25928133
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SSDEEP
3072:7MUzI+9CLfb75NUmfYQp/IRLsqd1pIecTH:7MWIACLT7wgYDs4pG
Malware Config
Signatures
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Drops file in Windows directory 1 IoCs
Processes:
dw20.exedescription ioc process File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
dw20.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
dw20.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
dw20.exedescription pid process Token: SeRestorePrivilege 2556 dw20.exe Token: SeBackupPrivilege 2556 dw20.exe Token: SeBackupPrivilege 2556 dw20.exe Token: SeBackupPrivilege 2556 dw20.exe Token: SeBackupPrivilege 2556 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c.exedescription pid process target process PID 1872 wrote to memory of 2556 1872 570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c.exe dw20.exe PID 1872 wrote to memory of 2556 1872 570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c.exe dw20.exe PID 1872 wrote to memory of 2556 1872 570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c.exe dw20.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c.exe"C:\Users\Admin\AppData\Local\Temp\570dfb40480c399fd3c4fdd583eed0434c56306a423abbf9ccf56f1aacc8af7c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 8082⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2556