Behavioral task
behavioral1
Sample
2024-05-20_3fdb72bd509d1a8f071851bb1856b39c_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-20_3fdb72bd509d1a8f071851bb1856b39c_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-20_3fdb72bd509d1a8f071851bb1856b39c_cryptolocker
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Size
82KB
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MD5
3fdb72bd509d1a8f071851bb1856b39c
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SHA1
6e5306ffb255406ce2c98af0e79c1237221918f1
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SHA256
caf5a1db55b798eb1739586149b2ef305c2706eb7fdd811ab2039ccd2274cc01
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SHA512
d1a79cf55aadc42a9c0ccd874d5b53471561d4d6001e9bdf4b4545b162b0067ec9bc73ba1f545c43c60ef88c3a29f97620a15e889c8500ca8f0b00888d5d1b47
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpM:zCsanOtEvwDpjC
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 2024-05-20_3fdb72bd509d1a8f071851bb1856b39c_cryptolocker
Files
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2024-05-20_3fdb72bd509d1a8f071851bb1856b39c_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