Behavioral task
behavioral1
Sample
2024-02-29_7521f3b5384591fb46311437e79a4915_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-29_7521f3b5384591fb46311437e79a4915_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_7521f3b5384591fb46311437e79a4915_cryptolocker
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Size
77KB
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MD5
7521f3b5384591fb46311437e79a4915
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SHA1
16ad4cb7e739503d5851498ac5e09a477733f435
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SHA256
521646ce4351ff96aa6f6591165668143c348ce8a6ec146a226ad017a7ef7cb1
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SHA512
a5abb1beded40beaa5d4073a1eeead75ed0333eb3700e25650bab97c8cf315f408e6ad72a2f9f702e8cdb9e80916b5c654f6faef231cb3569807d6235065c78d
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd5:T6a+rdOOtEvwDpjNt/
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 2024-02-29_7521f3b5384591fb46311437e79a4915_cryptolocker
Files
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2024-02-29_7521f3b5384591fb46311437e79a4915_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