Behavioral task
behavioral1
Sample
2024-02-13_81c5c57e2d7befb6ac8948e78c9dd868_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_81c5c57e2d7befb6ac8948e78c9dd868_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_81c5c57e2d7befb6ac8948e78c9dd868_cryptolocker
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Size
82KB
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MD5
81c5c57e2d7befb6ac8948e78c9dd868
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SHA1
f0e01311adcbf94a058038c577fb5c75dfda24b2
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SHA256
961b2945283ddba8a17423b5e4150dd6ca7af4233d3c17c3cc2b696bec82935c
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SHA512
88accd4066d9a6b7e2eb0f44276773f46b57bda9a279e90c99359825696cf5b6ff80ce0f5d6605a50bbae329962166c53c8c778b68032018d61559e9c8e2ca00
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1d:zCsanOtEvwDpjH
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 2024-02-13_81c5c57e2d7befb6ac8948e78c9dd868_cryptolocker
Files
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2024-02-13_81c5c57e2d7befb6ac8948e78c9dd868_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