Behavioral task
behavioral1
Sample
2024-02-28_a774ac66f18b969f161a247e8e64fb89_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_a774ac66f18b969f161a247e8e64fb89_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_a774ac66f18b969f161a247e8e64fb89_cryptolocker
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Size
93KB
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MD5
a774ac66f18b969f161a247e8e64fb89
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SHA1
671d8d94ccc371fc35c7401511a6d43c9ee925c9
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SHA256
1edf42b2a383592d70444d0f89296bb8358274a3c615fcc45f33d81bf4d3a7be
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SHA512
bc9b059447b16e050f6f94a0288e48b6fb729e5632f948d1ba63fc0866d9f158fbf8efb77f7e29911d2811f89d4cc08f321eadef9e861c0434ca082526e8fd62
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/+:zCsanOtEvwDpjB+
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 2024-02-28_a774ac66f18b969f161a247e8e64fb89_cryptolocker
Files
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2024-02-28_a774ac66f18b969f161a247e8e64fb89_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