Behavioral task
behavioral1
Sample
2024-05-12_d6733806cf40efaee76b0e78d8e4e01e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-12_d6733806cf40efaee76b0e78d8e4e01e_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-12_d6733806cf40efaee76b0e78d8e4e01e_cryptolocker
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Size
22KB
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MD5
d6733806cf40efaee76b0e78d8e4e01e
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SHA1
8a49f9ef95bc95fcfd4363ced6cd962e44b33c5e
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SHA256
fee01df91cae8262fe2119275f0374342999f4f1ab6d98b9ad979da3f0bb04cd
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SHA512
44c291342cff195ccf36320b48e56bb84c4be39f9c13bac22c0c6892354ad98607b2206d71372ca1d280a8fe99f37dbe26dd0445c299c315dbf962e3d4d59d14
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6S0Ae:bVCPwFRo6CpwXFXSqQXfjASq
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 2024-05-12_d6733806cf40efaee76b0e78d8e4e01e_cryptolocker unpack001/out.upx
Files
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2024-05-12_d6733806cf40efaee76b0e78d8e4e01e_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