Behavioral task
behavioral1
Sample
2024-05-21_a55b7558d76f72d42605c372e61b8443_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_a55b7558d76f72d42605c372e61b8443_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_a55b7558d76f72d42605c372e61b8443_cryptolocker
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Size
94KB
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MD5
a55b7558d76f72d42605c372e61b8443
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SHA1
420277e12e7b8654fc7c8c7e3b9db1ebcddf0497
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SHA256
7fb98e9e7280f63808d4d82f56d9c0be3e33af666454d1a26d0de1c7c823d33e
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SHA512
5bf1285f67feed0d368125868d7ee48e440c6ba1e36b3e17322985dedcbb2ae3d75e90bd3162cc2713b9b90b7e5242bea74cab960372657cf418e3aba49f4230
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kI:zCsanOtEvwDpjBL
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 2024-05-21_a55b7558d76f72d42605c372e61b8443_cryptolocker
Files
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2024-05-21_a55b7558d76f72d42605c372e61b8443_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