Behavioral task
behavioral1
Sample
2024-05-12_a789a323eba6ae1a9548843cf5b89f59_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-12_a789a323eba6ae1a9548843cf5b89f59_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-12_a789a323eba6ae1a9548843cf5b89f59_cryptolocker
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Size
77KB
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MD5
a789a323eba6ae1a9548843cf5b89f59
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SHA1
0fb03c9ef279d786ec0b7fb100f7dba8fdf35525
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SHA256
f1ff3af30819a291305660aa2e0b1e4082302df33f064c22d91ff398b4a58abe
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SHA512
3222c4277252ad9de7dea288fa225b5929da4f62abc77563afa34fac3f40ff46eb10729a21d07b2dd3fa90ced2355a35722d094a75a65bc6bce4da6ffd2f93e9
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1u:T6a+rdOOtEvwDpjNtHPp
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 2024-05-12_a789a323eba6ae1a9548843cf5b89f59_cryptolocker
Files
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2024-05-12_a789a323eba6ae1a9548843cf5b89f59_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