Behavioral task
behavioral1
Sample
2024-02-29_631a305c1aa5b6bcaf85077d6bb54a38_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-29_631a305c1aa5b6bcaf85077d6bb54a38_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_631a305c1aa5b6bcaf85077d6bb54a38_cryptolocker
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Size
64KB
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MD5
631a305c1aa5b6bcaf85077d6bb54a38
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SHA1
025feb673079e9046c2e5d7afe8617d160650de2
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SHA256
e628cf7b458847388f7f96a460a0ab4080654c78bc4c65444f63c891c7d53e20
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SHA512
de52a63a028f3ee76de9f6d176d335976e9adc89751232e4b8386123c0695ec36b1e848128ca5678b9b04e30dcdc57302ff991d862129dd20d2634aa9580966e
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoR:1nK6a+qdOOtEvwDpjf
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 2024-02-29_631a305c1aa5b6bcaf85077d6bb54a38_cryptolocker
Files
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2024-02-29_631a305c1aa5b6bcaf85077d6bb54a38_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE