Behavioral task
behavioral1
Sample
2024-02-12_b1d789e4e7b04a32a288ac88af5fecbc_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-12_b1d789e4e7b04a32a288ac88af5fecbc_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_b1d789e4e7b04a32a288ac88af5fecbc_cryptolocker
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Size
97KB
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MD5
b1d789e4e7b04a32a288ac88af5fecbc
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SHA1
dabc0a0b99851d107b4c86e1eed89f0ef149f48c
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SHA256
b6a3a60d51b2a2483e73cb13dbaaf2036656d5f05924a63574f287d67d511975
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SHA512
335b7d64dcf46383898687b08e4b25f4f57c520e51bac2f50d1600bc31a4ee3a8e480fce1463a53ad9145a7f64b137fac99342b9c62a5c0507ff0c2874de2254
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/Bbh2:z6a+CdOOtEvwDpjcm
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 2024-02-12_b1d789e4e7b04a32a288ac88af5fecbc_cryptolocker
Files
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2024-02-12_b1d789e4e7b04a32a288ac88af5fecbc_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