Behavioral task
behavioral1
Sample
2024-02-13_03b0043e5c8f864a9540ba7d4f9b5ea9_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_03b0043e5c8f864a9540ba7d4f9b5ea9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_03b0043e5c8f864a9540ba7d4f9b5ea9_cryptolocker
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Size
80KB
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MD5
03b0043e5c8f864a9540ba7d4f9b5ea9
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SHA1
7c94fe819e34283e6a85a4fce2e136e8bfd1f4a3
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SHA256
1ad07ee2c540b4b9f7115dfa35d0087db5a2dbec54777afcc232b54093928e90
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SHA512
c2593763c57ec94c5dd1adf5bbc89c8f0da85f88a17905373fab089c45ed2098103559ab6dfe9a116abcecf75363e8e72129c2d6594b717560b4f576771c9c97
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0G:T6a+rdOOtEvwDpjNtt
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 2024-02-13_03b0043e5c8f864a9540ba7d4f9b5ea9_cryptolocker
Files
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2024-02-13_03b0043e5c8f864a9540ba7d4f9b5ea9_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE