Behavioral task
behavioral1
Sample
2024-05-27_fc35b89843d75d9b1d3a24782f81f1d0_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-27_fc35b89843d75d9b1d3a24782f81f1d0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-27_fc35b89843d75d9b1d3a24782f81f1d0_cryptolocker
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Size
75KB
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MD5
fc35b89843d75d9b1d3a24782f81f1d0
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SHA1
b989cc6e558e23cabef5f4a6b19636273bd518c1
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SHA256
fe543ef00aca7521f6a38d7dab08298b18ec4294c02c9b70ae4b7a803f8e56e0
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SHA512
0c523d3b9e4dd7e7f15c03ca716acbc0ebdeb9a292ad45eea8dc0dfec651156d470d85704eadfa22e2cbb1097cea03c17bdaa495f6282c1175fe9812a9ec8f78
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal81GE:1nK6a+qdOOtEvwDpjZ
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 2024-05-27_fc35b89843d75d9b1d3a24782f81f1d0_cryptolocker
Files
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2024-05-27_fc35b89843d75d9b1d3a24782f81f1d0_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