Behavioral task
behavioral1
Sample
2024-01-25_d815ac8e3cf72c96f0e947a60d8e66d5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_d815ac8e3cf72c96f0e947a60d8e66d5_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_d815ac8e3cf72c96f0e947a60d8e66d5_cryptolocker
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Size
56KB
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MD5
d815ac8e3cf72c96f0e947a60d8e66d5
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SHA1
cd32993cfc7a268acb71fd059663ba60e9d82b7b
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SHA256
45934056be07fc4b284b7ac2b6c1c713bc0f99f77a6989762b05f860ec79ed6d
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SHA512
8bb50afa5eda05d4b41679956e7f89e9a0f6c0c0775ec0616d6fc0e32ba91351d76c79ec7b6dd42f23b04e0ac9a6834d558123e20a9f70cd6be6efe4e5da73b7
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ap7fR:z6QFElP6n+gKmddpMOtEvwDpj9aYaFfR
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 2024-01-25_d815ac8e3cf72c96f0e947a60d8e66d5_cryptolocker
Files
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2024-01-25_d815ac8e3cf72c96f0e947a60d8e66d5_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