Behavioral task
behavioral1
Sample
2024-05-21_1fb00b27a301907423f0a35cfeb64050_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-21_1fb00b27a301907423f0a35cfeb64050_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_1fb00b27a301907423f0a35cfeb64050_cryptolocker
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Size
81KB
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MD5
1fb00b27a301907423f0a35cfeb64050
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SHA1
e1bd5968ec3ec2f8c61c450565e43274e7c8e729
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SHA256
8badac103c00e63aa7f7cb26a5067a926900030e29d83f941d740fc827196fd7
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SHA512
4a778ab6d3a7085ca979f1d5599888e9547f9dd4790b40bc93ad0bad86f8709a4e8c4f484dfca0ccd7920dde0c1f7adbae0f9635305181f5673a2bf13eec4fc0
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QD:zCsanOtEvwDpjn
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 2024-05-21_1fb00b27a301907423f0a35cfeb64050_cryptolocker
Files
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2024-05-21_1fb00b27a301907423f0a35cfeb64050_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