Behavioral task
behavioral1
Sample
2024-02-04_f9985acc5fb0e9ee795350a55f49e627_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_f9985acc5fb0e9ee795350a55f49e627_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_f9985acc5fb0e9ee795350a55f49e627_cryptolocker
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Size
56KB
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MD5
f9985acc5fb0e9ee795350a55f49e627
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SHA1
b8d6e4c72b9ee8e60881546f608fb3672ac92993
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SHA256
f36811719e5452862ef9601a6691f7fa919a7ea6f6ce579c24a2ffb8a960a463
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SHA512
5502ac2baeae722088c99f4e66f945f071447e060071600d370e061e7da6c9158f5d71182e37c9f4f914584f1ebaa96cc01dc19c84640b731ef5cb38f47ba7a7
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appS:z6QFElP6n+gKmddpMOtEvwDpj9aYai
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 2024-02-04_f9985acc5fb0e9ee795350a55f49e627_cryptolocker
Files
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2024-02-04_f9985acc5fb0e9ee795350a55f49e627_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