Behavioral task
behavioral1
Sample
2024-03-18_4f554288156d2a324a0135c51a84fec2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-18_4f554288156d2a324a0135c51a84fec2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-18_4f554288156d2a324a0135c51a84fec2_cryptolocker
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Size
82KB
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MD5
4f554288156d2a324a0135c51a84fec2
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SHA1
7d4ee8e613d1b2d2919600c416b633e742c81022
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SHA256
8aa122c460864faf0aeca288f8d9dea379e1a16d0d7f62c01d24c6a121c66412
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SHA512
5e1ad1498aa186268fa4f43c90d47b46ee2c72ab79a6fc91bddbd53d932a738bfbf6ce283462e74b0b7104052f9eab3dec1ac65cde18fc8fb81a96a06fa92a27
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1y:zCsanOtEvwDpjs
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 2024-03-18_4f554288156d2a324a0135c51a84fec2_cryptolocker
Files
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2024-03-18_4f554288156d2a324a0135c51a84fec2_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