Behavioral task
behavioral1
Sample
2024-05-16_49243db6e805135bfabf65a39d705b2d_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-16_49243db6e805135bfabf65a39d705b2d_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-16_49243db6e805135bfabf65a39d705b2d_cryptolocker
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Size
26KB
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MD5
49243db6e805135bfabf65a39d705b2d
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SHA1
160c6a19e6065c665cc9930793da7396449ac2df
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SHA256
f1866f23f234c2f75c5873d8b6693d8aff47bf5fd8e6bb5a3a8adeeaacc6e269
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SHA512
396279a39ddb8e323e22cf56f9d67beda258da1feec2372507422124fcddeb1d0d62c2ea1f8e7eb9b7c8add0ae1c675eb050c6109c7be429e14bb09a744ab6bf
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SSDEEP
384:bFgFQrdSmuQ8WFqxpj5cpyIuYxVe3FSr+OLfjDp+0g/HNblX7QCOg:bFgm5zusFUB2preAr+Ofjg0STX73Og
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 2024-05-16_49243db6e805135bfabf65a39d705b2d_cryptolocker unpack001/out.upx
Files
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2024-05-16_49243db6e805135bfabf65a39d705b2d_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