Behavioral task
behavioral1
Sample
2024-01-26_3f6b87cca1616985361ca3fb9cf3e8d4_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_3f6b87cca1616985361ca3fb9cf3e8d4_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-26_3f6b87cca1616985361ca3fb9cf3e8d4_cryptolocker
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Size
116KB
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MD5
3f6b87cca1616985361ca3fb9cf3e8d4
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SHA1
daff0eca141c1284586c363a525d0dcef39df0dc
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SHA256
0a59e6aacf2823cf5d3334104c2b0501e7e74f1785645ae9e191fd272130fe8d
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SHA512
7f81f230362610f8976b0f979509d55f53f2c7f6051cbfe49b3e163939f23a9f7bfcd15aa98a9ee689508c72398fe0d0dcc5c8af700ff763f00968cec145cca0
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01kQ/:z6a+CdOOtEvwDpjczr
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 2024-01-26_3f6b87cca1616985361ca3fb9cf3e8d4_cryptolocker
Files
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2024-01-26_3f6b87cca1616985361ca3fb9cf3e8d4_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