Behavioral task
behavioral1
Sample
2024-05-17_4bbefc50387189db7411ad73ad33f522_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-17_4bbefc50387189db7411ad73ad33f522_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-17_4bbefc50387189db7411ad73ad33f522_cryptolocker
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Size
58KB
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MD5
4bbefc50387189db7411ad73ad33f522
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SHA1
fc7b17ca79e2d1eaf7bb1b089789a5a20ca3eaae
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SHA256
4a619c62d1a2315de2f403ab423075df1547881e5e80a20cc6e607e4cbfed431
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SHA512
6982a3953b40babb916a1cd668e99984dac6eae66a58cbe8a8b8a09b27af7270cfa6fd6c72fce878a881b1669ef6fd092417330d0ce7eee92399e0037b0cd5ae
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axK3cC:z6QFElP6n+gKmddpMOtEvwDpj9aYaQt
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 2024-05-17_4bbefc50387189db7411ad73ad33f522_cryptolocker
Files
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2024-05-17_4bbefc50387189db7411ad73ad33f522_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