Behavioral task
behavioral1
Sample
2024-05-26_fc3a8dc5e19076aa14225fa9eb865dd4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-26_fc3a8dc5e19076aa14225fa9eb865dd4_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-26_fc3a8dc5e19076aa14225fa9eb865dd4_cryptolocker
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Size
66KB
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MD5
fc3a8dc5e19076aa14225fa9eb865dd4
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SHA1
97970649e99dce8bd53832edebbdf722deff518e
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SHA256
d8c8d8a84e655a1e611665d1b765e71882a57589393e344d594811f45729e7a9
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SHA512
cd2c65c3eb239507582731246cc8007acf7081dfe1bf150b0eb6b02071b981c544f90f1cb159069a5381838d52655c7ec5b7f93ee2ef556dd0ad724fe3de58bb
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDy+:1nK6a+qdOOtEvwDpjB
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 2024-05-26_fc3a8dc5e19076aa14225fa9eb865dd4_cryptolocker
Files
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2024-05-26_fc3a8dc5e19076aa14225fa9eb865dd4_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