Behavioral task
behavioral1
Sample
2024-04-22_53cd880cb65bdcf77ba25d81f9b13579_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-22_53cd880cb65bdcf77ba25d81f9b13579_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_53cd880cb65bdcf77ba25d81f9b13579_cryptolocker
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Size
110KB
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MD5
53cd880cb65bdcf77ba25d81f9b13579
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SHA1
3a6bb2ac91291a9312ddf9780ed683312c517d91
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SHA256
959acb25341e36144633c7d70d46a664b123fa8ec9cab2dca9e5af5fdbff34e1
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SHA512
bf416deb436c955e07214228d5a168c4a0819cfce0407908cb456f9f31eec14f3fa96304096dbadb8a4465f7b9bab7d0cd633f2418d724494e4bd4f8d21c9d04
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMghJOvj0:z6a+CdOOtEvwDpjczZ
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 2024-04-22_53cd880cb65bdcf77ba25d81f9b13579_cryptolocker
Files
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2024-04-22_53cd880cb65bdcf77ba25d81f9b13579_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_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