Behavioral task
behavioral1
Sample
2024-01-25_31b1a8869c6465d944a72d1afad2bad9_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_31b1a8869c6465d944a72d1afad2bad9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_31b1a8869c6465d944a72d1afad2bad9_cryptolocker
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Size
82KB
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MD5
31b1a8869c6465d944a72d1afad2bad9
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SHA1
058ca3506dd821cd6abb7ceeaf42f32ddee27abd
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SHA256
3d0bb86352017fa096b4c7ba65514463939073ffa0ef061eb7bb1019e9d3f4e8
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SHA512
17909b32eb138e0771458b941e8848c9b3ec71ef960c45cb5e3af29fb9066f29282f9f0603a3f9ed3f242edbd3be982e76bef7fb1d572a53a9d8016bd0a11eca
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1bE:zCsanOtEvwDpje
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 2024-01-25_31b1a8869c6465d944a72d1afad2bad9_cryptolocker
Files
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2024-01-25_31b1a8869c6465d944a72d1afad2bad9_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