Behavioral task
behavioral1
Sample
2024-04-15_8ebfc591e6b28025f18f2e60efe98e9b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_8ebfc591e6b28025f18f2e60efe98e9b_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_8ebfc591e6b28025f18f2e60efe98e9b_cryptolocker
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Size
49KB
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MD5
8ebfc591e6b28025f18f2e60efe98e9b
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SHA1
d1f5b45335582ca9362ef133fcb32c0d68f3eb0a
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SHA256
854494d8871f84c3398c51688f219e5c60be1b29a458016de1b5a4d51f7f6568
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SHA512
01aa542f3445eab61b94a534529dce98b381e83d0b6a3c79fd70eb3ac5f712bfb919eddcfa42752533ca5875fa68bcba1b33cd128ebb03493a0e4a4e292227dc
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtv:bODOw9acifAoc+vv
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 2024-04-15_8ebfc591e6b28025f18f2e60efe98e9b_cryptolocker
Files
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2024-04-15_8ebfc591e6b28025f18f2e60efe98e9b_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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