Behavioral task
behavioral1
Sample
2024-01-26_c455d3684bc4437ec2d6a7c9f636c435_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_c455d3684bc4437ec2d6a7c9f636c435_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-26_c455d3684bc4437ec2d6a7c9f636c435_cryptolocker
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Size
63KB
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MD5
c455d3684bc4437ec2d6a7c9f636c435
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SHA1
c1029e6c59feb1262c04407037a8aaec52ccce7e
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SHA256
d3b295e9248a61f6735e888328be8b45d64d8cfe9913e0eb2b591dd335bbf9d1
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SHA512
0d6673605621b0be34c6d2da6076ac4d4fe58e85229cde0a046f53aefb5f0ed4a3a4a4ce0afdaad742773ad24860d9502d40f562ae8e181bf072e63a1b1d7723
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQ:1nK6a+qdOOtEvwDpjK
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 2024-01-26_c455d3684bc4437ec2d6a7c9f636c435_cryptolocker
Files
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2024-01-26_c455d3684bc4437ec2d6a7c9f636c435_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