Behavioral task
behavioral1
Sample
2024-04-27_c1e4e386ef755e713616bdbfec6b5322_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-27_c1e4e386ef755e713616bdbfec6b5322_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-04-27_c1e4e386ef755e713616bdbfec6b5322_cryptolocker
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Size
23KB
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MD5
c1e4e386ef755e713616bdbfec6b5322
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SHA1
591fbd8a9a9334a2d98cff1e889114e0e31baeb2
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SHA256
2c9591f4abd00bd0eca9f4029cb404e5ae2a5d57354075f666af89b020aa1839
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SHA512
f2c91aeec04685a533a2aa4dcfdca92dd4fc7492f0f1ba4c1408d61d04d8accea50adce35bde5c50ac08ec8cda268c8e23f9b9c5abeb7edcfa3b868c7532cc4c
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6Hjk:bVCPwFRo6CpwXFXSqQXfjA4
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-04-27_c1e4e386ef755e713616bdbfec6b5322_cryptolocker unpack001/out.upx
Files
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2024-04-27_c1e4e386ef755e713616bdbfec6b5322_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
Sections
UPX0 Size: - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ