Behavioral task
behavioral1
Sample
2024-04-06_a5a0975ad80136b14ee3cfb708b7bc11_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_a5a0975ad80136b14ee3cfb708b7bc11_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_a5a0975ad80136b14ee3cfb708b7bc11_cryptolocker
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Size
75KB
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MD5
a5a0975ad80136b14ee3cfb708b7bc11
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SHA1
a0492297badaa59a532b97bc60eefd26e52adf19
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SHA256
d5966b343c441885de2ba2fbe66ea7034e2fe25ac1cf33537708b798da8b0bc0
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SHA512
72f1e0b910eeeaa0d3d706fcb778bf35d00a2994d2949611654babb9ab5fbe968f351668567aaa92cb3740e4d794c296a418f9e34a4dbc7de27e8c0ab23f36db
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxp:T6a+rdOOtEvwDpjNtHPK
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 2024-04-06_a5a0975ad80136b14ee3cfb708b7bc11_cryptolocker
Files
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2024-04-06_a5a0975ad80136b14ee3cfb708b7bc11_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