Behavioral task
behavioral1
Sample
2024-03-19_bb1e261e3d6e550fc2eeba74a422aa4d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_bb1e261e3d6e550fc2eeba74a422aa4d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_bb1e261e3d6e550fc2eeba74a422aa4d_cryptolocker
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Size
56KB
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MD5
bb1e261e3d6e550fc2eeba74a422aa4d
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SHA1
d7a9fd63ffd33487a1d910c84ce6b9e3de3bb581
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SHA256
a6de1fe2c95b3dceb6024b97cf8d11101312d9c480c677bffcd4bc1f0ad8b637
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SHA512
e5cc0375a386ae5adce748dfb09375ac9e81b1eef1417a3c5714e2b66bda5d83621c254c0aa72753f4c895bf671255d019bf8d2c055ef95b57e6e59a45aee109
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axpE:z6QFElP6n+gKmddpMOtEvwDpj9aYa8
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 2024-03-19_bb1e261e3d6e550fc2eeba74a422aa4d_cryptolocker
Files
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2024-03-19_bb1e261e3d6e550fc2eeba74a422aa4d_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_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