Behavioral task
behavioral1
Sample
2024-05-31_681c8813700b3cf06d076f143572b40a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-31_681c8813700b3cf06d076f143572b40a_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-31_681c8813700b3cf06d076f143572b40a_cryptolocker
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Size
91KB
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MD5
681c8813700b3cf06d076f143572b40a
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SHA1
df56fbf785dc00c8184327075ab71ad89d069224
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SHA256
a0ebba2e987f776475286506ba2d92b4d5e7dd35f1b9af4b93f585776e3b0806
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SHA512
5fafa459c8e19162aa60dd0a1f37f5c6ea3539ddc05e53167d3582c11b8fd7b47571cb87a36cd234411b6baab26460684db59affc618dd98cccd13c15248f9a0
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/o:n6a+1SEOtEvwDpjYYvQd2P/
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 2024-05-31_681c8813700b3cf06d076f143572b40a_cryptolocker
Files
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2024-05-31_681c8813700b3cf06d076f143572b40a_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: 11KB - 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