Behavioral task
behavioral1
Sample
2024-01-25_88e0ebf188ac4e0358b6e0b8482b881a_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_88e0ebf188ac4e0358b6e0b8482b881a_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_88e0ebf188ac4e0358b6e0b8482b881a_cryptolocker
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Size
55KB
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MD5
88e0ebf188ac4e0358b6e0b8482b881a
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SHA1
64c6339a0b6c7d1e95b263afb97002f88a43650d
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SHA256
8cb3bb73396521528e5b7476a252fe05cef18c127af40a7623261b0bc07a6e57
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SHA512
baae6448758a0575a7f99484e1d2afc21fa53600d8b289191a4f5d6bb2539bf280c21ecadef7f89258040b41a04a42f998f4dfb02c9783c5c754dc4610f34273
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appW:z6QFElP6n+gKmddpMOtEvwDpj9aYam
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_88e0ebf188ac4e0358b6e0b8482b881a_cryptolocker
Files
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2024-01-25_88e0ebf188ac4e0358b6e0b8482b881a_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