Behavioral task
behavioral1
Sample
2024-02-04_99a336857207b90ca180d6eac61b3fc0_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-04_99a336857207b90ca180d6eac61b3fc0_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-04_99a336857207b90ca180d6eac61b3fc0_cryptolocker
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Size
106KB
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MD5
99a336857207b90ca180d6eac61b3fc0
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SHA1
76539a96d6e1d0b8210c799bb67dc3c5f82da79a
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SHA256
cef71c622d8999dfb5115347a4ffc962136da06b4325a3112d6034afbee65a8a
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SHA512
9336ba61d695f5d92771d125dedb18124d8adbd034aa15ffcbad2896479f8a550c892233ba269882fabc1e08e74b4da3b80269c95ae044bb23a377306909a2ba
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksD:1nK6a+qdOOtEvwDpjD
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 2024-02-04_99a336857207b90ca180d6eac61b3fc0_cryptolocker
Files
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2024-02-04_99a336857207b90ca180d6eac61b3fc0_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