Behavioral task
behavioral1
Sample
2024-05-09_6a43bb3eae4f8f057a81517881facae7_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-09_6a43bb3eae4f8f057a81517881facae7_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-09_6a43bb3eae4f8f057a81517881facae7_cryptolocker
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Size
23KB
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MD5
6a43bb3eae4f8f057a81517881facae7
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SHA1
a04fa03a013ee2c24d9c82235f29f019efb14c02
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SHA256
09abe9f3604746570d209981865f82dfb9c2275858f5c0e8a6f7b872b10f5604
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SHA512
466de44f156b29157b197ed526ae6ed6e5d8872455c92d6baefba89da2091bad3f93411f9a779654816a51aef28e45d3ea7f094679aec9047fa396d585fbfd0e
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SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDp6Hnmk:bVCPwFRo6CpwXFXSqQXfjAHmk
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 2024-05-09_6a43bb3eae4f8f057a81517881facae7_cryptolocker unpack001/out.upx
Files
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2024-05-09_6a43bb3eae4f8f057a81517881facae7_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