Behavioral task
behavioral1
Sample
2024-05-27_f5eb4b47090c91bab6d16cdd2e5938b5_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-27_f5eb4b47090c91bab6d16cdd2e5938b5_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-27_f5eb4b47090c91bab6d16cdd2e5938b5_cryptolocker
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Size
81KB
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MD5
f5eb4b47090c91bab6d16cdd2e5938b5
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SHA1
a76286955c2d20c1bc5f106dfe3723e93b5e3695
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SHA256
d0a3638201d4a6b3866f1f3b81b73b91613a0514b18809ee036f5091d19b7e0e
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SHA512
d3656540ad7717f804eef30dfccc4777cbf9502ffeb7e9769c049819fef576ec3b9c17f218a4b14f519bbf64240730fb7d5b10af6559415ad46487ccf92cacb2
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QZ:zCsanOtEvwDpjN
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 2024-05-27_f5eb4b47090c91bab6d16cdd2e5938b5_cryptolocker
Files
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2024-05-27_f5eb4b47090c91bab6d16cdd2e5938b5_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_CODE
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