Behavioral task
behavioral1
Sample
2024-03-05_7f1a9f45cb3494c16e701e539c9b0f50_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_7f1a9f45cb3494c16e701e539c9b0f50_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-05_7f1a9f45cb3494c16e701e539c9b0f50_cryptolocker
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Size
64KB
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MD5
7f1a9f45cb3494c16e701e539c9b0f50
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SHA1
5b8f865742f753ad6e2223a0ff2733ba301a3c79
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SHA256
9cfd9786170161104cc16837518908cf5b378381128839cdd301204c97a284fa
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SHA512
f17b6c6c8841cad476634c8d5cb0a75cb9bb24872ce36d1996e6cd0d870b7fbe76eb6db1bcb8f2a8c0bec68de4be2c4193950371b0f6ba864707f1cc524f105f
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7EH:zj+soPSMOtEvwDpj4kpmeLm7H
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 2024-03-05_7f1a9f45cb3494c16e701e539c9b0f50_cryptolocker
Files
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2024-03-05_7f1a9f45cb3494c16e701e539c9b0f50_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