Behavioral task
behavioral1
Sample
2024-02-24_4dfacf3a9fe9c4b3dbff1a120d163f8b_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-24_4dfacf3a9fe9c4b3dbff1a120d163f8b_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_4dfacf3a9fe9c4b3dbff1a120d163f8b_cryptolocker
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Size
68KB
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MD5
4dfacf3a9fe9c4b3dbff1a120d163f8b
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SHA1
d42b367ba5df9da4464728ab533726398eb69637
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SHA256
abfec33e8606c21c1748a71b47b5c9b67a31034532750a9e50aa7178c9287318
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SHA512
375eea82a5b59780bb89200fff76f56d70a7e7bd8cad1e52274fae04e8ca464d85400ed62a988dd4644d64ed47e0a7006856aded7a49c2f3590b44abd15adc82
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBB:z6a+CdOOtEvwDpjQT
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 2024-02-24_4dfacf3a9fe9c4b3dbff1a120d163f8b_cryptolocker
Files
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2024-02-24_4dfacf3a9fe9c4b3dbff1a120d163f8b_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