Behavioral task
behavioral1
Sample
2024-06-09_e41f67d9a6febc0523c561f276d58bb9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-09_e41f67d9a6febc0523c561f276d58bb9_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-09_e41f67d9a6febc0523c561f276d58bb9_cryptolocker
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Size
56KB
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MD5
e41f67d9a6febc0523c561f276d58bb9
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SHA1
d4e3db5af3bebe338a7592f023874a4f881b01dd
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SHA256
41a7d404ebc3763fb4a9af555b36667a4ddf5dd058e6b6645f23a04ddc69c06a
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SHA512
05c19ed308919f0ce3e68054c3fbf39627f41e9d634d97c05c4daa00c4527fedceb27c6706e8cf2c88ffbb0ee3575cce74ff715edeef1c190e7e750be04df180
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlY:bP9g/xtCS3Dxx0L
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-06-09_e41f67d9a6febc0523c561f276d58bb9_cryptolocker
Files
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2024-06-09_e41f67d9a6febc0523c561f276d58bb9_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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