Behavioral task
behavioral1
Sample
2024-05-16_61ccf409ac5642550b037bd2b2a7b0d7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-16_61ccf409ac5642550b037bd2b2a7b0d7_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-16_61ccf409ac5642550b037bd2b2a7b0d7_cryptolocker
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Size
80KB
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MD5
61ccf409ac5642550b037bd2b2a7b0d7
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SHA1
eaba92a2d47877983a8333ad373ea2466140e0a9
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SHA256
21bef89d4e850d6c3653ef0bf842ab7e6ee4479ba89c380bb02c28633a835f4c
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SHA512
e0c13f3e0c1b50ee68e177af73d22f89b00bc8bb5812f2a6b914315ddd37d7201c00f28bb53ab5f052a5b5aea4a2143414aa7ca1f10ce7bdc7b13b1b0b6cc119
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QS:zCsanOtEvwDpjO
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 2024-05-16_61ccf409ac5642550b037bd2b2a7b0d7_cryptolocker
Files
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2024-05-16_61ccf409ac5642550b037bd2b2a7b0d7_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