Behavioral task
behavioral1
Sample
2024-04-30_b2b9f502af3f6469b529cd1dcc672e76_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-30_b2b9f502af3f6469b529cd1dcc672e76_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-30_b2b9f502af3f6469b529cd1dcc672e76_cryptolocker
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Size
52KB
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MD5
b2b9f502af3f6469b529cd1dcc672e76
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SHA1
bbdf6f0b14e5c12fe3e480a13e032d62786771fe
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SHA256
bccecad0c26845d6c8b3560d4ff0a510e368e0356fd0dde9fd22dc4715cc6b67
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SHA512
c5e99d2c5a7035313fd3adaa2c4734ac01253f2583ae8be19d283f673ad412c0c9447afc7fd81d3f05be3eacfa503c468c7051eb0e572ed5422977ceb3284737
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkV:z6QFElP6n+gKmddpMOtEvwDpj31ikV
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 2024-04-30_b2b9f502af3f6469b529cd1dcc672e76_cryptolocker
Files
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2024-04-30_b2b9f502af3f6469b529cd1dcc672e76_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