Behavioral task
behavioral1
Sample
instruction.scr
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
instruction.scr
Resource
win10v2004-20240412-en
General
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Target
instruction.zip
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Size
29KB
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MD5
d90fff8362b9242c181a88a481e69357
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SHA1
855192f390d6976f428aea789cd70aca51b100ad
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SHA256
42f61b58d6f3fa410a7817d0f854dd71eea388bc4368a6595159f461388d98d2
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SHA512
c5a09b2bfde68cae846d15c45488fd5a75a440d54ba164d08621c11135aafd97425bf77b9c6e071c692ded443b1cdc260e5900835d0e3806aa798d465b2b95be
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SSDEEP
768:DEwHupU99d2JE0jNJJ83+8zzqgTdVY9/3:DEwVs+0jNDY1qi/qv
Malware Config
Signatures
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resource yara_rule static1/unpack001/instruction.scr upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/instruction.scr
Files
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instruction.zip.zip
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instruction.scr.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: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 512B - Virtual size: 511B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE