Behavioral task
behavioral1
Sample
2024-02-21_dfb8adcb25d1519a789081f9f5e6f3db_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_dfb8adcb25d1519a789081f9f5e6f3db_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_dfb8adcb25d1519a789081f9f5e6f3db_cryptolocker
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Size
82KB
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MD5
dfb8adcb25d1519a789081f9f5e6f3db
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SHA1
70a05879fb707fa1eb59cddcadd0afd4279034c7
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SHA256
22fd9e518db7dd2f4fdda64060b1e0aa05887177c3a5b6141e8f6e4e678318ff
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SHA512
36b6d90293e0b3f95e4246406e4ed72554613e7c2fea4c9f5a5073a446f65dbe17ca2742bb3de1e2e47e7a38727192a76f7f680ca9b20699a58351bdf74b23a8
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7WA6:T6a+rdOOtEvwDpjN+
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 2024-02-21_dfb8adcb25d1519a789081f9f5e6f3db_cryptolocker
Files
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2024-02-21_dfb8adcb25d1519a789081f9f5e6f3db_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