Behavioral task
behavioral1
Sample
2024-05-21_d137d3ff2254b9ae6b6dfff8cd48542e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_d137d3ff2254b9ae6b6dfff8cd48542e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_d137d3ff2254b9ae6b6dfff8cd48542e_cryptolocker
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Size
84KB
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MD5
d137d3ff2254b9ae6b6dfff8cd48542e
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SHA1
251215292d45d5dd8b7ee265404b0fbae7a2040b
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SHA256
a3e570f937655647c6407bdb0671669106b83d1979b78e0a9a5ec68208c7e25e
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SHA512
c4eaf8c29144256c31b417a1c1562f40fb2a179d07a5993f1ed95d3620fb159ac42cb07202fe301b657742b67b558ccfb1b1a0b654043e8e606fdcc1dc372e27
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1p:zCsanOtEvwDpjj
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_d137d3ff2254b9ae6b6dfff8cd48542e_cryptolocker
Files
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2024-05-21_d137d3ff2254b9ae6b6dfff8cd48542e_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