Behavioral task
behavioral1
Sample
2024-01-26_1fc4b5ab41884d4928cb930548ebeb14_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-26_1fc4b5ab41884d4928cb930548ebeb14_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_1fc4b5ab41884d4928cb930548ebeb14_cryptolocker
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Size
60KB
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MD5
1fc4b5ab41884d4928cb930548ebeb14
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SHA1
9ac7bf299bdd89c92fca84ee3d776ecc96908fd9
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SHA256
b8af6711a267ad8df0eb05f4ae9c9211615a2107d395ecdd3e0554ce786249db
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SHA512
af90de0ecf756cd98150e256685e9d95bad67a2bded46b09f5733e4b69b943cdb4e09f65269f68a0c7b354d875ed3efb063241ef030b8cd22b1746916ee827ea
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLUV:zj+soPSMOtEvwDpj4kpmeLm2
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 2024-01-26_1fc4b5ab41884d4928cb930548ebeb14_cryptolocker
Files
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2024-01-26_1fc4b5ab41884d4928cb930548ebeb14_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