Behavioral task
behavioral1
Sample
2024-01-28_257b9afca2907039dce2fec866d090b3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_257b9afca2907039dce2fec866d090b3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_257b9afca2907039dce2fec866d090b3_cryptolocker
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Size
64KB
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MD5
257b9afca2907039dce2fec866d090b3
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SHA1
d921ead8ef65a85e8a54b43ef785f09c9424e5fc
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SHA256
5d7800ddf9cac750dda490265f504bb2790946b899b3a4d5c1fef66d9e3d3705
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SHA512
6067ffb7aea5bb95db4293a827e3eaaf8cb2a91489bf23aab2e8478058888da4564f0a297e0a0ed246b9b7d93251955e55d2c9afcaea632fd73276ec97b02b2e
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gxVum/kLyMro2GtOOtEvwDpjh:T6QFElP6n+gxAmddpMOtEvwDpj
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 2024-01-28_257b9afca2907039dce2fec866d090b3_cryptolocker
Files
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2024-01-28_257b9afca2907039dce2fec866d090b3_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