Behavioral task
behavioral1
Sample
2024-01-23_837228b7bee4c640f1688bc102bc4a84_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_837228b7bee4c640f1688bc102bc4a84_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_837228b7bee4c640f1688bc102bc4a84_cryptolocker
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Size
105KB
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MD5
837228b7bee4c640f1688bc102bc4a84
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SHA1
cc2dfe0997b9b0e6aeefbb546d2fbcb742678303
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SHA256
83f4455f5d550c931e3e3926fc79c88c987a15cf9f0b451b49b78561f33ce21f
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SHA512
6db66275862d3ac2f71c3affa5e59c48f5d88f3ed36bde683a25a762624c83f74de0fc1f7add3a2b57ba3cd28cac787d1fe1675dfdb360ef1f5fb323e8b49664
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GkszfM:1nK6a+qdOOtEvwDpjY
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_837228b7bee4c640f1688bc102bc4a84_cryptolocker
Files
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2024-01-23_837228b7bee4c640f1688bc102bc4a84_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