Static task
static1
Behavioral task
behavioral1
Sample
2024-03-05_a4d5e66b9a3730b6206bd9133d947b61_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_a4d5e66b9a3730b6206bd9133d947b61_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_a4d5e66b9a3730b6206bd9133d947b61_cryptolocker
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Size
101KB
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MD5
a4d5e66b9a3730b6206bd9133d947b61
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SHA1
12f14535d3e5a7702476fdde907fb6d6ee33a065
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SHA256
e3bce4b48fd3a8943140ab8d612cace5338c3639832f6e129623f222ac003993
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SHA512
41474407d8debe63e96cd62daa0e76f23b04706e95fe5a6dddf037d73d61c4200bf43e94e591d71fab19488c3fc586ca6c4cd312a92cd872224c10bdc8692c9a
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k28k:xj+VGMOtEvwDpjubwQEIiVmkxv/wk
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 2024-03-05_a4d5e66b9a3730b6206bd9133d947b61_cryptolocker
Files
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2024-03-05_a4d5e66b9a3730b6206bd9133d947b61_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