Behavioral task
behavioral1
Sample
2024-02-23_89206cb6e0278a742e5f2e46db28269c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_89206cb6e0278a742e5f2e46db28269c_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_89206cb6e0278a742e5f2e46db28269c_cryptolocker
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Size
63KB
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MD5
89206cb6e0278a742e5f2e46db28269c
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SHA1
ca1a50eb80e5e93f659d9a0fab62ba79f8bd9248
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SHA256
27bd9e3f1c2c7d43dadd3b21beb8a258dc9c338d65ba227a0fb254fed619a34b
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SHA512
937f4bcf8331aa3f1fc21ff7ca5ed23c12dcab9b645dce1f46fb6533c5569fc447a0a2ebfa3d026dd1843c773cac694db85757cbe34f6917d6efd8b0bc23734c
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kC:zj+soPSMOtEvwDpj4kpmeLmQC
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 2024-02-23_89206cb6e0278a742e5f2e46db28269c_cryptolocker
Files
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2024-02-23_89206cb6e0278a742e5f2e46db28269c_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