Behavioral task
behavioral1
Sample
astrocal7.0/Astrocal.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
astrocal7.0/Astrocal.exe
Resource
win10v2004-20231215-en
General
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Target
0be52db6ab028a8874c7226e9112224c
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Size
143KB
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MD5
0be52db6ab028a8874c7226e9112224c
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SHA1
520d8594d9d61f1b5b6e28f07ead319f395113c6
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SHA256
6087d4211e3ac73820c29e65cbf3fc3a7ad357d37d24a4663b1e16e45ba8eab8
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SHA512
6edf9f7efc0ff275bf3c79e16a898750cc48a26616ab1dc7f597b3a116acadb2e824c0ca9eaca4c9e96799c332e6495c85cea2a7328d4c472a035a30004214e8
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SSDEEP
3072:7S1YzWstUWfo9s36YapGSNW/vHX0r/+VweylbaWxXi7m+TWqfGI:OaqsS6oPYaEd/v3VCZAfTVfGI
Malware Config
Signatures
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resource yara_rule static1/unpack001/astrocal7.0/Astrocal.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/astrocal7.0/Astrocal.exe unpack002/out.upx
Files
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0be52db6ab028a8874c7226e9112224c.rar
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astrocal7.0/Astrocal.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 232KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 136KB - Virtual size: 140KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 6KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 204KB - Virtual size: 202KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 36KB - Virtual size: 35KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 80KB - Virtual size: 78KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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astrocal7.0/Thumbs.db
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astrocal7.0/下载说明.htm.html .js polyglot
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下载说明.htm.html .js polyglot