Behavioral task
behavioral1
Sample
2024-03-16_157254695233757f819e8b2d7d5d2272_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-16_157254695233757f819e8b2d7d5d2272_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-16_157254695233757f819e8b2d7d5d2272_cryptolocker
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Size
118KB
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MD5
157254695233757f819e8b2d7d5d2272
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SHA1
a935e9dd6909b63d55613a3c11365ed998c05e90
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SHA256
9185667404e8230cd3de8b122190d12a8e618be8772d8a836100563865288528
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SHA512
aeb5e6acf37c9a66e8c706c1322bd91d8e03ca798f54e968ff3e038a70ded587cd30cf16c5c5bc506d843184a3c7a842a9a4be9e4174bcb78d235aa26840f299
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01Qaz:z6a+CdOOtEvwDpjcz5
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 2024-03-16_157254695233757f819e8b2d7d5d2272_cryptolocker
Files
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2024-03-16_157254695233757f819e8b2d7d5d2272_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_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