Behavioral task
behavioral1
Sample
2024-01-29_4fbcc38be93166fde31f23d6b20365d6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_4fbcc38be93166fde31f23d6b20365d6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-29_4fbcc38be93166fde31f23d6b20365d6_cryptolocker
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Size
75KB
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MD5
4fbcc38be93166fde31f23d6b20365d6
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SHA1
d3f37e66cc067f55147419c49860612bbcb01b67
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SHA256
c9492e35ae6bc4133fa7521afec0c3134621d1702d6d5ffc8a80a4857faaba0c
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SHA512
1f5db70a7772912a98311b5e03cd338d3fd82a52d04a1198a89e20e635f7de2e42410a3696dbe300b16886cdf872cf09624c24f61676fd3c7e19fe0e6c755c9d
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdWG6:T6a+rdOOtEvwDpjNtA
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 2024-01-29_4fbcc38be93166fde31f23d6b20365d6_cryptolocker
Files
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2024-01-29_4fbcc38be93166fde31f23d6b20365d6_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