Behavioral task
behavioral1
Sample
2024-02-12_8a423c716b9a100f1980a1da2e0e7e1f_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-12_8a423c716b9a100f1980a1da2e0e7e1f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_8a423c716b9a100f1980a1da2e0e7e1f_cryptolocker
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Size
80KB
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MD5
8a423c716b9a100f1980a1da2e0e7e1f
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SHA1
f19ff5230319401619432b369ffd00f9ff4bda76
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SHA256
2694ceda4595e47ebbd8a148837a7b97618195ad399a8d393ef2c491ae054a83
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SHA512
9f0704f5423dd6f350679949f9ad98e8724cb7bbbd7a38a0a4f79dd8082370c3b048a18bb47f28937b7237d7805b14579089f1bf8e4ef332f8c4bc45e91aa236
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdWZNh:T6a+rdOOtEvwDpjNtC
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_8a423c716b9a100f1980a1da2e0e7e1f_cryptolocker
Files
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2024-02-12_8a423c716b9a100f1980a1da2e0e7e1f_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