Behavioral task
behavioral1
Sample
2024-06-20_8b3d670eedc0d1c47709f00d63409cc4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-20_8b3d670eedc0d1c47709f00d63409cc4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-20_8b3d670eedc0d1c47709f00d63409cc4_cryptolocker
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Size
94KB
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MD5
8b3d670eedc0d1c47709f00d63409cc4
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SHA1
9d8ca5b36203030dac0ecff7bff85d197df90637
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SHA256
2c5a1de13cb6145a84e4aa9e8cc246a7425e4f4424dde2c47f7a8834945762d5
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SHA512
8aab8a2ae9bff8b2bdcc7089604393fbd1253377cdf20622a33e65d05842b8cf6b5b592297ac2635fba0f8fe6f95009d31600e2720e47b3d5bb94947cef2d537
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kP:zCsanOtEvwDpjBE
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 2024-06-20_8b3d670eedc0d1c47709f00d63409cc4_cryptolocker
Files
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2024-06-20_8b3d670eedc0d1c47709f00d63409cc4_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