Static task
static1
Behavioral task
behavioral1
Sample
AstroBootStrapper_upd.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
AstroBootStrapper_upd.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
AstroBootStrapper_upd.exe
Resource
win11-20240709-en
General
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Target
AstroBootStrapper_upd.exe
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Size
35.3MB
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MD5
6366596bda3516a281a91c2c10217f5f
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SHA1
2029a7837a7aecc36e453ac7accaaf60be851a0e
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SHA256
a02eef7ae229cfab507ec2a39994995ea8d905b6ded899b86aa2b64f50046b79
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SHA512
e98f7e718fd97e1affa6cd591bb272bad0fea77d08a014d4075cfa0e82c0b270dea242e47541e37864518fa0dc356c16eb95b39c72a7c49513028db822e8cb8f
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SSDEEP
786432:NUufa9gYBzTKPkwETf5bPBnB7294tGiNFeGl9jPlyTiS2j+S0mLzSqvZD:bfayKUuTfFPK94GiuGrjPloijT0O2qvp
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource AstroBootStrapper_upd.exe
Files
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AstroBootStrapper_upd.exe.exe windows:4 windows x86 arch: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: 35.3MB - Virtual size: 35.3MB
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