Behavioral task
behavioral1
Sample
upx.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
upx.exe
Resource
win10v2004-20230220-en
General
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Target
upx.exe
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Size
289KB
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MD5
2ec42eea603c34b79287a4c84c83d851
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SHA1
a4c33cbe6152263f47b661b0790e86024b38d30e
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SHA256
247f1b56b4600708746a8bf0cd66f11cc047d5f9d531acc69af41efc5c5884e5
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SHA512
588e0050977e33d42fba7ee71eddca562d74a5ad2ecbae2dd7f4b087bf97f58f61b2012d6ff920e98c7ac50723008ad51b08ad06b0cd1655e2929f6eaa8c959e
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SSDEEP
6144:r6NaceHr3Zu+01XkEY9EhkspolPQNvgW8GjJHNJ16GxJHvoS:r6Naci4fkt9ES90vNxNJAUoS
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource upx.exe
Files
-
upx.exe.exe windows 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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 1.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 287KB - Virtual size: 288KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE