Behavioral task
behavioral1
Sample
2024-01-27_b85983d94a0abc82e47124d40c3b4856_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_b85983d94a0abc82e47124d40c3b4856_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-27_b85983d94a0abc82e47124d40c3b4856_cryptolocker
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Size
105KB
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MD5
b85983d94a0abc82e47124d40c3b4856
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SHA1
ef1e190062df0cd315700ce789dad0dbb6067865
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SHA256
58651203ab74b6753b8819e73f9215d1227d730d73c51c5cfeb3787c26d5349a
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SHA512
28f8fb0bc66fb184347d96030d846a59044ab9277ed1c54b0f9337c65d5a01bfee8e96d7d1b44b09b9359067af76f39d0f11abf94ab4f472ecd6f85914ad9ea7
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gks8:1nK6a+qdOOtEvwDpj8
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 2024-01-27_b85983d94a0abc82e47124d40c3b4856_cryptolocker
Files
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2024-01-27_b85983d94a0abc82e47124d40c3b4856_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE