Behavioral task
behavioral1
Sample
2024-01-23_50b842d5b8d187c1d37197054617e0b7_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-23_50b842d5b8d187c1d37197054617e0b7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_50b842d5b8d187c1d37197054617e0b7_cryptolocker
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Size
77KB
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MD5
50b842d5b8d187c1d37197054617e0b7
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SHA1
70dfcd8316aca3a306b8fe12a0a2d59de3723521
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SHA256
2158264f3e33b8b7f61450889bb82934ab09b3d7797679c1b4315f8edb064dc1
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SHA512
6aef9ed54287973b3d0d5c9741cbe0a2dc4757e09dfbfc77cc0251ddfe29e2f0d3f75533d8a6eb4093518c46f7557b86ea4766acd0133c263e4bbce5c6e72e79
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qt:zCsanOtEvwDpjZ
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 2024-01-23_50b842d5b8d187c1d37197054617e0b7_cryptolocker
Files
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2024-01-23_50b842d5b8d187c1d37197054617e0b7_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