Static task
static1
Behavioral task
behavioral1
Sample
RunasCs.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
RunasCs_net2.exe
Resource
win10-20230220-en
General
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Target
RunasCs.zip
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Size
38KB
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MD5
9b6856ea79cf83a4047ac7df264d2677
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SHA1
98d68cfdf1ecce4ffe575915620e338752745c44
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SHA256
88f826096be1ed1be32dd45dc2381189df7c5f349c7b808edb872e68be4a9350
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SHA512
d08dc43bcc14691d6b2a7b1a04374b66bee1eb7aaef4ee99f5b0579485cb7f4ba184165fe3d594281fd43ebfa529ec5de081c491d3b5c5abaceb6edac221ccd1
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SSDEEP
768:NUOd/lQ124HYl3lq5kEOtrVIbLG/KI4KjDPlpAJHCGvxh:NUOo1Sl3lqWEOEbL24K0Z9ph
Malware Config
Signatures
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Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/RunasCs.exe unpack001/RunasCs_net2.exe
Files
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RunasCs.zip.zip
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RunasCs.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
mscoree
_CorExeMain
Sections
.text Size: 48KB - Virtual size: 47KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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RunasCs_net2.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 48KB - Virtual size: 47KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 696B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ