Behavioral task
behavioral1
Sample
2024-04-16_3f5331ff391e77e20d5a0163795ae7c4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_3f5331ff391e77e20d5a0163795ae7c4_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_3f5331ff391e77e20d5a0163795ae7c4_cryptolocker
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Size
85KB
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MD5
3f5331ff391e77e20d5a0163795ae7c4
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SHA1
f8d8373f8f486fcb0593d3386ef2a0c277990f83
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SHA256
a756a30590bd522afc961bbdcd8bd6e55e85b47f5687a652c6adc248511a06e4
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SHA512
9175544e061ff32cfc0d8fad1ede5646c793af4b23c76045c9b1633c59b96b4f49b4efce266112b72ffa7f55c5993a71303d1765ffb818b56b6c111ea4b77ac5
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5RO:T6a+rdOOtEvwDpjNP
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 2024-04-16_3f5331ff391e77e20d5a0163795ae7c4_cryptolocker
Files
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2024-04-16_3f5331ff391e77e20d5a0163795ae7c4_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