Behavioral task
behavioral1
Sample
2024-04-23_efee26dfaa09dd1be10525b3d9683df6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_efee26dfaa09dd1be10525b3d9683df6_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_efee26dfaa09dd1be10525b3d9683df6_cryptolocker
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Size
52KB
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MD5
efee26dfaa09dd1be10525b3d9683df6
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SHA1
c9f8059ec28b5569b5bb758992cf7d250b16ca4e
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SHA256
721e0f56bc7c397c0bc1d84802ed2ce5dc84f492b53d1671a820769553315f8b
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SHA512
68f62e2dec475acd7cbaafb4a980258b08934ff3dff88a40632857fbbd6995e52a7c96139762cc24068198c038ab9c819be56249d8fcc56502a468dd49e7d8fd
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkg:z6QFElP6n+gKmddpMOtEvwDpj31ikg
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 2024-04-23_efee26dfaa09dd1be10525b3d9683df6_cryptolocker
Files
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2024-04-23_efee26dfaa09dd1be10525b3d9683df6_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