Behavioral task
behavioral1
Sample
2024-04-27_0a3881ea441c8c07ff3aa23097be7971_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-27_0a3881ea441c8c07ff3aa23097be7971_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_0a3881ea441c8c07ff3aa23097be7971_cryptolocker
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Size
65KB
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MD5
0a3881ea441c8c07ff3aa23097be7971
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SHA1
ab90345b1ffd42ba1090fb55226f7019a7666af0
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SHA256
8b32d16f80ba2ef27bf98a9f7fd951150a2bc8d332aa2b6ed7550745630ae21c
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SHA512
74f7ef880bbedf9dd3e990ea04d94c82ffbdadea42e440909e2bd389d99c56f7e4bb4f26cd4f5c51eb4a77320d34dfd9927eaea05bb405782208429b85882cf8
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kJ7AK2qto:zj+soPSMOtEvwDpj4kpmeLmQlAlqO
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 2024-04-27_0a3881ea441c8c07ff3aa23097be7971_cryptolocker
Files
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2024-04-27_0a3881ea441c8c07ff3aa23097be7971_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