Behavioral task
behavioral1
Sample
2024-02-29_64a4b737e4d82c1d8d191b4530e7cc7c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-29_64a4b737e4d82c1d8d191b4530e7cc7c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_64a4b737e4d82c1d8d191b4530e7cc7c_cryptolocker
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Size
80KB
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MD5
64a4b737e4d82c1d8d191b4530e7cc7c
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SHA1
57f27c4a74290e71710cba94bbbbc86c922833da
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SHA256
4dc964f8211db0241bcdc88e486fe9d81c2c1eec644079cea762293e9a664839
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SHA512
78458f0f85da5af6eb7bb9cf17b772317b74c5475a4302ac23e8b347fca2de9cabb75ad249978e28d269a130974201942bd4836eb4a9efbc2f40171c61e68b26
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kySe0:zCsanOtEvwDpj3
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 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-29_64a4b737e4d82c1d8d191b4530e7cc7c_cryptolocker
Files
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2024-02-29_64a4b737e4d82c1d8d191b4530e7cc7c_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
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
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