Behavioral task
behavioral1
Sample
2024-01-25_b1bb3ff8b99172e1d06851c4906810ca_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_b1bb3ff8b99172e1d06851c4906810ca_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_b1bb3ff8b99172e1d06851c4906810ca_cryptolocker
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Size
64KB
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MD5
b1bb3ff8b99172e1d06851c4906810ca
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SHA1
f370b71a434a58ea688476c9d364a64f4279757a
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SHA256
26165ad169d3be3f2a91a25c66ea38deb8ed715101f0f5af9e0c00385d2687d5
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SHA512
c6e537f5eb2d6b4a053c1aef1c0aecdab1b9bd77cbd5568d6d0497366565c66d8e1819de713101cb83af05762bc74bd07e75b39edd219f39963f76c874d60ab4
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gx1um/kLyMro2GtOOtEvwDpjh:T6QFElP6n+gxgmddpMOtEvwDpj
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_b1bb3ff8b99172e1d06851c4906810ca_cryptolocker
Files
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2024-01-25_b1bb3ff8b99172e1d06851c4906810ca_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_CODE
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