Behavioral task
behavioral1
Sample
2024-02-01_ec731aa61d2801912dc8cb9454f316f4_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-01_ec731aa61d2801912dc8cb9454f316f4_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-01_ec731aa61d2801912dc8cb9454f316f4_cryptolocker
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Size
81KB
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MD5
ec731aa61d2801912dc8cb9454f316f4
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SHA1
0c4dbf93549cfc0ed2ca558d4bf06feef1c73b06
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SHA256
24cbf7d32c3a1e86190b3a200efaac8e483b1237be3dfbee5e9649eb7f43bb1c
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SHA512
e7f344b62b2144d8ef8733b89c47d96215a4430056c6f34c80507bbf955ff4d3c7c968d89932d3362363b7b11d7779fe2e11227da2bde5c731dc68f508919949
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7z:T6a+rdOOtEvwDpjNf
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 2024-02-01_ec731aa61d2801912dc8cb9454f316f4_cryptolocker
Files
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2024-02-01_ec731aa61d2801912dc8cb9454f316f4_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