Behavioral task
behavioral1
Sample
2024-01-28_d31e741ffaa34ecc4c0ef0c6075f537d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_d31e741ffaa34ecc4c0ef0c6075f537d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_d31e741ffaa34ecc4c0ef0c6075f537d_cryptolocker
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Size
68KB
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MD5
d31e741ffaa34ecc4c0ef0c6075f537d
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SHA1
95e2ff6c38cb5f11561a5a3b49b2e823bc0ad284
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SHA256
aaef9f4a45be582a141bc3b1b9b32a8418d87ec2e8ff255d9132f21c40ffdb44
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SHA512
5fcfc9499cbda099fbad7a8b4e942f3da98c03c2c0e9f3b037c51b8ad8a8a63417db3beee8a86563a681dc044ec056f6b3faf403dea40757d9aa33d2c49e8034
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAvCbDa6Jt:z6a+CdOOtEvwDpjQHD
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 2024-01-28_d31e741ffaa34ecc4c0ef0c6075f537d_cryptolocker
Files
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2024-01-28_d31e741ffaa34ecc4c0ef0c6075f537d_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