Behavioral task
behavioral1
Sample
2024-03-18_bf7c0145a7f5d2436568fe373e24a254_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-18_bf7c0145a7f5d2436568fe373e24a254_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-18_bf7c0145a7f5d2436568fe373e24a254_cryptolocker
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Size
78KB
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MD5
bf7c0145a7f5d2436568fe373e24a254
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SHA1
b748dbb47e0e5c6798445cf3caeb443bad92a272
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SHA256
d1c4e93ba43de5a65b0f174933ded4b4abd520824468ab1e1a6cf5545ecdddb9
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SHA512
3be9df4eecdcce731d84aaa1c19be1dec935c09b75c1bb60b857929e9faf2794bf6ca4c6ca893c128a95a83f4acbf806e4b7db247fb4fe37ae9c16f7bee28e1e
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOA+YSafiPut:T6a+rdOOtEvwDpjNcH
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 2024-03-18_bf7c0145a7f5d2436568fe373e24a254_cryptolocker
Files
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2024-03-18_bf7c0145a7f5d2436568fe373e24a254_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