Behavioral task
behavioral1
Sample
2024-03-09_f0642fa9cb6e6b123f39c580b60c4fb8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-09_f0642fa9cb6e6b123f39c580b60c4fb8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-09_f0642fa9cb6e6b123f39c580b60c4fb8_cryptolocker
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Size
118KB
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MD5
f0642fa9cb6e6b123f39c580b60c4fb8
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SHA1
770b0df0becb019c0b4fe65aac1a6612d434c256
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SHA256
a0be6a4e8f8e7597c0b1236f850ef24abdcf57e2f90989a967bff5b628a5e2ff
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SHA512
6bcf24f1d5ea83edc9553b4da8baedf31ca475791bdba4dffe63c79f66e2e1e2939045506216ab85be786ece4cf72868dd5da5db4533204084f4c7f835eff189
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01ZNr:z6a+CdOOtEvwDpjcz9
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 2024-03-09_f0642fa9cb6e6b123f39c580b60c4fb8_cryptolocker
Files
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2024-03-09_f0642fa9cb6e6b123f39c580b60c4fb8_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