Behavioral task
behavioral1
Sample
2024-02-22_25b8bb9dabfe3e921915c4404e113f56_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_25b8bb9dabfe3e921915c4404e113f56_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_25b8bb9dabfe3e921915c4404e113f56_cryptolocker
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Size
57KB
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MD5
25b8bb9dabfe3e921915c4404e113f56
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SHA1
295ade8df2c67dcfa6925c953d274f419b6e80ef
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SHA256
2a838faa73b84555ccaf1b1d261f35a3e3bd77fae62489aa094b7508ecd85b05
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SHA512
7a4f7ec982b9b90a17a69501780e749ab07ac6fe92889e8def3e69a38fee64be61613c8872830cd7296f6b890232693fe28af97bf9752e8ddf92166cc1c76403
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appV:z6QFElP6n+gKmddpMOtEvwDpj9aYaF
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 2024-02-22_25b8bb9dabfe3e921915c4404e113f56_cryptolocker
Files
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2024-02-22_25b8bb9dabfe3e921915c4404e113f56_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