Behavioral task
behavioral1
Sample
2024-04-04_a1e8268a4b3592216633a0b71dd4f3b5_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-04_a1e8268a4b3592216633a0b71dd4f3b5_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_a1e8268a4b3592216633a0b71dd4f3b5_cryptolocker
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Size
80KB
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MD5
a1e8268a4b3592216633a0b71dd4f3b5
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SHA1
b17e1b66312a76991d81d47438da3f6974c76133
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SHA256
b6eac84e509711f76dbbd629fa44ef54767fdf8f52fe87bd5fece1d07748d206
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SHA512
c10c1a5570aed4ad80f34a53cd18038605e10e9d4061619229591ef2c5091a4686c69f441a071877c069cedfb4499c583a5ec586089088c700df4cd36e676a7e
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpH:zCsanOtEvwDpjd
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 2024-04-04_a1e8268a4b3592216633a0b71dd4f3b5_cryptolocker
Files
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2024-04-04_a1e8268a4b3592216633a0b71dd4f3b5_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