Behavioral task
behavioral1
Sample
2024-04-20_73bd04a1ab2bb6be6e5cc22334e0403e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_73bd04a1ab2bb6be6e5cc22334e0403e_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_73bd04a1ab2bb6be6e5cc22334e0403e_cryptolocker
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Size
88KB
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MD5
73bd04a1ab2bb6be6e5cc22334e0403e
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SHA1
d04af3356470d691ec41deb98b3259da9e33aed8
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SHA256
341b9ea0ed83d3abc6e75692e692840ee81a50f71be00702d5fc5ac7dbf5a08e
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SHA512
682f272f152efc06fd6ffea832b077bd4bd49f42294012c0111b90bc3f9bb930893227dbaca2fb800c2ec987b77e37d88678c10368ad3c958ae2ca8178738ae2
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQA1:n6a+1SEOtEvwDpjYYvQd2P1
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 2024-04-20_73bd04a1ab2bb6be6e5cc22334e0403e_cryptolocker
Files
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2024-04-20_73bd04a1ab2bb6be6e5cc22334e0403e_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_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - 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