Behavioral task
behavioral1
Sample
2024-02-12_1bdf714f1c2873021e6c0bb9d1c8851f_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-12_1bdf714f1c2873021e6c0bb9d1c8851f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_1bdf714f1c2873021e6c0bb9d1c8851f_cryptolocker
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Size
115KB
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MD5
1bdf714f1c2873021e6c0bb9d1c8851f
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SHA1
5609076f06eb67bd64e52bff47e5fe2d1cc04888
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SHA256
265d1823cfb230e70b24b357a8880d638fd7590924cf597015c5360e60f77615
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SHA512
fa4d262ce70fcf3155034f56038c5d8429d65b45f2c016613d01eb8907542d292d840504e132d1874d4489591b8b0fba276627ead5ca26544ab6ae211be0c402
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01Q2:z6a+CdOOtEvwDpjczH
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 2024-02-12_1bdf714f1c2873021e6c0bb9d1c8851f_cryptolocker
Files
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2024-02-12_1bdf714f1c2873021e6c0bb9d1c8851f_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