Behavioral task
behavioral1
Sample
aa81e05891c90b33acbe6b5d98cb3687962c482f07c51e63a7e2a6a88a8c981b.exe
Resource
win10v2004-20250410-en
Behavioral task
behavioral2
Sample
aa81e05891c90b33acbe6b5d98cb3687962c482f07c51e63a7e2a6a88a8c981b.exe
Resource
win11-20250410-en
General
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Target
aa81e05891c90b33acbe6b5d98cb3687962c482f07c51e63a7e2a6a88a8c981b
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Size
1.4MB
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MD5
ac12bfba4cb13f6a276b3827d579df2c
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SHA1
72d2150dc185c8535c232ab5f9a801597f032c94
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SHA256
aa81e05891c90b33acbe6b5d98cb3687962c482f07c51e63a7e2a6a88a8c981b
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SHA512
5f35bb387ca6fe4dae991551a2ede965e80721ae7ac63aa8fc501baabc56bec1bb9afa163ad6f5ff8905211cf8e95dd20e11626f27081219e7dbfd1decf3d0bc
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SSDEEP
24576:tlKsg4lu6ryQLgQ9+UMwwKMebhkY5UnML5ztunJOZI0sPl0898NCusBVFpbJU7rI:tlKIu6rLP9+UMn8hkY2VJOI06XEEBVvU
Malware Config
Signatures
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Luca Stealer payload 1 IoCs
resource yara_rule static1/unpack001/out.upx family_lucastealer -
Lucastealer family
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource aa81e05891c90b33acbe6b5d98cb3687962c482f07c51e63a7e2a6a88a8c981b unpack001/out.upx
Files
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aa81e05891c90b33acbe6b5d98cb3687962c482f07c51e63a7e2a6a88a8c981b.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
UPX0 Size: - Virtual size: 1.7MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:6 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 2.3MB - Virtual size: 2.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 752KB - Virtual size: 752KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 29KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 57KB - Virtual size: 56KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ