Behavioral task
behavioral1
Sample
2024-01-23_73bd62b4312e60113aa7a4bd0f2fe97f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_73bd62b4312e60113aa7a4bd0f2fe97f_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_73bd62b4312e60113aa7a4bd0f2fe97f_cryptolocker
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Size
64KB
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MD5
73bd62b4312e60113aa7a4bd0f2fe97f
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SHA1
2b4f535dd3adadf14cd1173ba78903ab67a424d9
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SHA256
96559a9c1758eca4fd99c15af2b9986ce4ef9983142fe68b70ff2ee2747d403b
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SHA512
d5977dc2d7cb1af42c95cb66c5de4cc3ac1f492953e7a3fe69f91649377c1146b5c87f56c2b1e66530d389efb018240593cad75844db4ad9d75992e05e6cbe30
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUa1Fg:T6a+rdOOtEvwDpjNA
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 2024-01-23_73bd62b4312e60113aa7a4bd0f2fe97f_cryptolocker
Files
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2024-01-23_73bd62b4312e60113aa7a4bd0f2fe97f_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