Static task
static1
Behavioral task
behavioral1
Sample
dotnet_loader.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
dotnet_loader.dll
Resource
win10v2004-20230915-en
General
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Target
dotnet_loader.bin
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Size
3.1MB
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MD5
ff2bee4a2606d3c8f0af57de171af3c9
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SHA1
504123cdecd225e999f0d44e43d874a91f35c6e0
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SHA256
7a2f296746c0ef1567faa12e7fe1902c4d74efda27045a5e4593fa91943dff9b
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SHA512
79818fc728fc407bcc84d5b3e4feb32601a8887dca9d9ddb9ac4a44686be5613dbc622c679106c9e18202fd7c480dea9c7ce575194b69d901d3c5b373248d0fe
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SSDEEP
49152:cl3YiJGAZ+JOBhXPMvH5siyKGDvGRwCcG6uwoKUph9wR:clo0IkBlMv5sm2Gw26kKow
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource dotnet_loader.bin
Files
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dotnet_loader.bin.dll windows:4 windows x86
dae02f32a21e03ce65412f6e56942daa
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
mscoree
_CorDllMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 804B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ