Behavioral task
behavioral1
Sample
2024-02-14_721f9962d561043aef0b783ef3967c20_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-14_721f9962d561043aef0b783ef3967c20_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-14_721f9962d561043aef0b783ef3967c20_cryptolocker
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Size
97KB
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MD5
721f9962d561043aef0b783ef3967c20
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SHA1
107d54c86b6584890ddf9842bed404a7517adb80
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SHA256
2b2a4108133301cf80b8cea5913fddf52568f0d3879590c2c62a7e5009156dcc
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SHA512
3846d0686b2d9fae875a9866e3113dc8f70a9a3681648387a3699ef7508aaeb089cfba6ebdd3e0498ffd07eec0e77ffabb12233d66dfffb44aaeb830e8b53723
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/B7:z6a+CdOOtEvwDpjcJ
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 2024-02-14_721f9962d561043aef0b783ef3967c20_cryptolocker
Files
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2024-02-14_721f9962d561043aef0b783ef3967c20_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