Behavioral task
behavioral1
Sample
2024-02-24_552feec6b3de4591aba5f32350e2f2b0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_552feec6b3de4591aba5f32350e2f2b0_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_552feec6b3de4591aba5f32350e2f2b0_cryptolocker
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Size
68KB
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MD5
552feec6b3de4591aba5f32350e2f2b0
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SHA1
9c2f1fefc02318621b3ac03a2c0f642f514dd036
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SHA256
5f944f63999555f7611cdb04ee2a377b9466869258dd19c5188d3198c77b1959
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SHA512
d207b7d2edf75dd12205f80e62cace9f538959135e395747e48da759b0ea512bba0ec9006a68ebe586a1870c3628c4bbd1cdff5311a481ee596e2d3beb421b02
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBm:z6a+CdOOtEvwDpjQY
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 2024-02-24_552feec6b3de4591aba5f32350e2f2b0_cryptolocker
Files
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2024-02-24_552feec6b3de4591aba5f32350e2f2b0_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