Behavioral task
behavioral1
Sample
2024-06-01_dd89fe3a1d7fb8e8e3f48b6dd61cd78a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-01_dd89fe3a1d7fb8e8e3f48b6dd61cd78a_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-01_dd89fe3a1d7fb8e8e3f48b6dd61cd78a_cryptolocker
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Size
24KB
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MD5
dd89fe3a1d7fb8e8e3f48b6dd61cd78a
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SHA1
de2800e7e22cc0f69c64cb06a458199140130681
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SHA256
0fedb45572b2f1ed86f4f8a0bbe5002d01903b16e0b6d1ded33ef76bbb025d7c
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SHA512
a7e370a3a0cda12bd33335ddc077705d2f2dc4d1e110ff17317f58f2e15c467ff4966e16e828688eda2d68bcdb90b05cefe34b02925e1e7c9f647c9df9123e6b
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6HMJU:bVCPwFRo6CpwXFXSqQXfjAsJU
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 2024-06-01_dd89fe3a1d7fb8e8e3f48b6dd61cd78a_cryptolocker unpack001/out.upx
Files
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2024-06-01_dd89fe3a1d7fb8e8e3f48b6dd61cd78a_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