Behavioral task
behavioral1
Sample
2024-02-18_943ee2fd977aed5d04632c0f70bb732e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_943ee2fd977aed5d04632c0f70bb732e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_943ee2fd977aed5d04632c0f70bb732e_cryptolocker
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Size
92KB
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MD5
943ee2fd977aed5d04632c0f70bb732e
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SHA1
7ac78f9d5f7fb8a691a68686210894efda01fd85
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SHA256
616e76c35ba26ed0bc29290b6f07b0620ca4baeec756f8eae135035c034ac37d
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SHA512
3df8076d9b64415d6f1ea80868503f4bec9b1ac17e7785d443912d0515eb5314f67fe61accf959ce13af3774fd6abd2e2c73e1e51cbbc66f10701574d2938018
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/z:zCsanOtEvwDpjBz
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 2024-02-18_943ee2fd977aed5d04632c0f70bb732e_cryptolocker
Files
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2024-02-18_943ee2fd977aed5d04632c0f70bb732e_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