Behavioral task
behavioral1
Sample
2024-02-23_2a9b8b809c8ee11293ee913e3a28c9db_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_2a9b8b809c8ee11293ee913e3a28c9db_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_2a9b8b809c8ee11293ee913e3a28c9db_cryptolocker
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Size
83KB
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MD5
2a9b8b809c8ee11293ee913e3a28c9db
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SHA1
fe4fac0c2522da05776cb0ee9a8acd3049810145
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SHA256
4940962e1e0e060fddeaecd3b72011e62f3ba0534e5fe808eee79c9d4a446e04
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SHA512
f3da577d585065f661f585765074ab564fe6ec0c573dd305d2121c184540b117188acc14ac5bd2caf3f23c5e28bfe5a87add1e45646a69f74940da1523cd5697
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1na:zCsanOtEvwDpj0
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 2024-02-23_2a9b8b809c8ee11293ee913e3a28c9db_cryptolocker
Files
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2024-02-23_2a9b8b809c8ee11293ee913e3a28c9db_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