Behavioral task
behavioral1
Sample
2024-05-27_aa9485e9211f53cab364ea273b3798e1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-27_aa9485e9211f53cab364ea273b3798e1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-27_aa9485e9211f53cab364ea273b3798e1_cryptolocker
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Size
90KB
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MD5
aa9485e9211f53cab364ea273b3798e1
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SHA1
ba6ecabb46747762095e1b430f1cd73e05179619
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SHA256
d016305bc5e03360ec3d9f4380256981d63285fe0185d78e55a0374a2f79c8d8
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SHA512
c1ffdaa0f89d735840af63fc816d490c26f514cfe6841ca4114935d8335800813d50c221f0112f9d408d18aac0496b0a7bde1419c6048268a2fd0652e69131bc
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tyblLO:zCsanOtEvwDpjJ
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 2024-05-27_aa9485e9211f53cab364ea273b3798e1_cryptolocker
Files
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2024-05-27_aa9485e9211f53cab364ea273b3798e1_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