Static task
static1
Behavioral task
behavioral1
Sample
2024-02-18_8dbc1a3d100d20f0e01859add99cbf53_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_8dbc1a3d100d20f0e01859add99cbf53_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_8dbc1a3d100d20f0e01859add99cbf53_cryptolocker
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Size
54KB
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MD5
8dbc1a3d100d20f0e01859add99cbf53
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SHA1
646008d88acd01a7ed1e5050da784907104f02ee
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SHA256
e25d3bc798ec22fe3017de63bbb185b5bc98db8167205b74bd1bbe95b38cf635
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SHA512
86e3a4fe5b15c3cac4b9de797849551d260168909552a97d329e02719480980779d3d4258ebd93a22144dfc2f7059d2d2ede14c7ca37f439969be98513fd791f
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbP/MME:xj+VGMOtEvwDpjubXMME
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-18_8dbc1a3d100d20f0e01859add99cbf53_cryptolocker
Files
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2024-02-18_8dbc1a3d100d20f0e01859add99cbf53_cryptolocker.exe windows:5 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
IMAGE_FILE_DEBUG_STRIPPED
Sections
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE