Behavioral task
behavioral1
Sample
alta_1.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
alta_1.exe
Resource
win10v2004-20240802-en
General
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Target
alta_1.exe
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Size
102KB
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MD5
6ffd286c4c4c3e93081526ee95e32e7b
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SHA1
f7fe761d75abe88788a5656bf9b492415a19b444
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SHA256
c62a96b971cd691d20096f0309446b328ff6b62948cca25a120a87dd388b84a9
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SHA512
42a2bdbfb00fb8a0c5be57c8ad34102fe090ac679d0c599e03c721ec24174e58d3b60d25c9d5cb81e2cc52ddded185dab85b28477dd416c55124d13b3081a771
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SSDEEP
3072:xFphTfm1UC7AdYzrV+Dljy/32ubwZZqJ:FhTfmuCkdYzrVolu/J0ZZ
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource alta_1.exe unpack001/out.upx
Files
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alta_1.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: 128KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 19KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 81KB - Virtual size: 84KB
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: 52KB - Virtual size: 48KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 84KB - Virtual size: 81KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ