Behavioral task
behavioral1
Sample
baby.exe
Resource
win10v2004-20230915-en
General
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Target
baby.exe
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Size
2KB
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MD5
bfe71377b4685e0569b0493e05307e2d
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SHA1
276062d99770ec19f6a6e96ce04d763b3095311f
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SHA256
73440b366964f1f9c85eb5b85c401069d29838e6a35685f74fb21ececfd9900e
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SHA512
870a37fbceec9e5ec945d9b8d60cd3cfe084c2738f02656667e667e70916df3808ea78077e8ed39ae5b40ee1ecb218851f837018fe17b1bb77f3062c0ed777c9
Malware Config
Signatures
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Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule sample patched_upx -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource baby.exe
Files
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baby.exe.exe windows:4 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: 16KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE