Behavioral task
behavioral1
Sample
2024-02-21_443cba65c86fa7aa2d2ff6238ba3d2ca_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_443cba65c86fa7aa2d2ff6238ba3d2ca_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_443cba65c86fa7aa2d2ff6238ba3d2ca_cryptolocker
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Size
117KB
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MD5
443cba65c86fa7aa2d2ff6238ba3d2ca
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SHA1
dde500522caeed4515f703f98e87914c47cef6bd
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SHA256
0bb2a73b177677e5a2edf38580c5d23e6df7fa97c34646d81ef2209e56dd563d
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SHA512
2827efb968677a288dba9181d48e1912d94709ead23eb80d99dea28d17e11867a9364163e851042d295ee5f05958ed6a1d179c0081bb46d227ba5f0433bc544c
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01t:z6a+CdOOtEvwDpjczP
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 2024-02-21_443cba65c86fa7aa2d2ff6238ba3d2ca_cryptolocker
Files
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2024-02-21_443cba65c86fa7aa2d2ff6238ba3d2ca_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_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