Behavioral task
behavioral1
Sample
2024-02-03_7f51073927c80e1f6e967e09e2269528_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_7f51073927c80e1f6e967e09e2269528_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_7f51073927c80e1f6e967e09e2269528_cryptolocker
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Size
117KB
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MD5
7f51073927c80e1f6e967e09e2269528
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SHA1
985322579f952c29e36c2fe9480fb5aba6e8fcb2
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SHA256
2821c7d334f9ccac2764fea17799ff98efad3639372e22eb9f0cea47532c53df
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SHA512
609a89c300e5cc62e3f785e6840272a43edf30d6e91821d5d1fa4b21a856abd16f57ff65b7e5f2c02eb070885164f455fb79ea3d5ad7d843845a1d904a440ffa
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01/:z6a+CdOOtEvwDpjczN
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 2024-02-03_7f51073927c80e1f6e967e09e2269528_cryptolocker
Files
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2024-02-03_7f51073927c80e1f6e967e09e2269528_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