Behavioral task
behavioral1
Sample
Cryptor.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral2
Sample
out.exe
Resource
win10v2004-20250217-en
General
-
Target
Cryptor.exe
-
Size
1.4MB
-
MD5
a49364c7ec161533cb4edc7bca0e51c9
-
SHA1
584f3ef12eae032921ed7d3b9e227996197f1263
-
SHA256
94e3972742bf6477c34a0f073d6f4885cf8b58742f16aa8308ebffdf8b25763b
-
SHA512
ac0e8ece98199cd9f776aaa57c508e4bc8baf8286b86f852ab23f305dbcb4e73c7199aaf7a8b24578aecb652c415fe649212fe6666b04a23d298768f48bb013c
-
SSDEEP
24576:QO3hSzPPakWNlJYcDHO3aDfQ1FTA3zoET2SXqQDGaMeZK+UvB2PRriFLFQo:EWkoYcDuqDIHqT2SVyadU8PRrGLKo
Malware Config
Signatures
-
Luca Stealer payload 1 IoCs
resource yara_rule static1/unpack001/out.upx family_lucastealer -
Lucastealer family
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource Cryptor.exe unpack001/out.upx
Files
-
Cryptor.exe.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
-
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: 2.2MB - Virtual size: 2.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 752KB - Virtual size: 751KB
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