Behavioral task
behavioral1
Sample
2024-03-06_a1f7f85e2f20c4251739c159268454e1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_a1f7f85e2f20c4251739c159268454e1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_a1f7f85e2f20c4251739c159268454e1_cryptolocker
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Size
56KB
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MD5
a1f7f85e2f20c4251739c159268454e1
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SHA1
9c44ef021c80b3db90038e7101c98c09e0612a71
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SHA256
3c8954f3d5822c4e3f6a8a94c6d6231b96ef7e831b40197f91e884ff3c81ca2c
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SHA512
fa292838a9cd2682837367d3d4b9216a928783c3bf49ee9c23d3faf7819af956a4ec7f8b5d9362f8e13ee9b306ee4f154d4686372ec37e3b694663afcf13232f
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8ikfh:z6QFElP6n+gKmddpMOtEvwDpj9aYaiZ
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 2024-03-06_a1f7f85e2f20c4251739c159268454e1_cryptolocker
Files
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2024-03-06_a1f7f85e2f20c4251739c159268454e1_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