Behavioral task
behavioral1
Sample
2024-04-26_b941c80579b2c992f1b6af31967f01b5_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-26_b941c80579b2c992f1b6af31967f01b5_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-26_b941c80579b2c992f1b6af31967f01b5_cryptolocker
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Size
40KB
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MD5
b941c80579b2c992f1b6af31967f01b5
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SHA1
0be254f8befb7b95c82e9ac5e90ce0a35c0ed332
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SHA256
6b5bb07bb99604e949d2722b3f5aada2afc3034091dbaeba61461bf27e07b028
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SHA512
a6d9d5b349629768ce0baf11bc9e0635bfc8e811ab2f03ae3e77a1b92a654d2d830fe7b9f5eedc3321321c7b8a02581ef8b9c7afd2420a988936f1fb39003171
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKH5:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-26_b941c80579b2c992f1b6af31967f01b5_cryptolocker
Files
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2024-04-26_b941c80579b2c992f1b6af31967f01b5_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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