Behavioral task
behavioral1
Sample
2024-02-24_f45bf1863ba385f73163430e25d4b5cd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_f45bf1863ba385f73163430e25d4b5cd_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_f45bf1863ba385f73163430e25d4b5cd_cryptolocker
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Size
63KB
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MD5
f45bf1863ba385f73163430e25d4b5cd
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SHA1
34b74775d747c6d2d59fc4525ed318495c60c489
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SHA256
18dc74862f113926c21a43f77c53faa552350a385184fc812688a0128eefb43f
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SHA512
cb68a4b98c110bda95217f446e59faee8ede89e22b2e3d12829bd3f700e24950927343c2bcfeec314f05d2c74381a649ecb7d5be5e522e60c366563f2210f047
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7hFiaL:zj+soPSMOtEvwDpj4kpmeLmWT
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 2024-02-24_f45bf1863ba385f73163430e25d4b5cd_cryptolocker
Files
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2024-02-24_f45bf1863ba385f73163430e25d4b5cd_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