Behavioral task
behavioral1
Sample
2024-05-22_3b683f0bb61552c65e377bfbbca78bcb_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-22_3b683f0bb61552c65e377bfbbca78bcb_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_3b683f0bb61552c65e377bfbbca78bcb_cryptolocker
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Size
81KB
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MD5
3b683f0bb61552c65e377bfbbca78bcb
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SHA1
f3bcd0875fc782bc523442bbb2d67bbde807653d
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SHA256
98ddf0b3f6617f20cbea80d8212c52167bf5569643e6114d1890ba1a87430354
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SHA512
fcf8cd04c41d44e0cdcae098dbc4c12a6a743d78b406d05929fe4ca7c7109aa677168af1f12d6028d0f20cf9c123aa7da58f5354108e5629f530ea77e76e3541
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpSx+:zCsanOtEvwDpjn
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 2024-05-22_3b683f0bb61552c65e377bfbbca78bcb_cryptolocker
Files
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2024-05-22_3b683f0bb61552c65e377bfbbca78bcb_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