Static task
static1
Behavioral task
behavioral1
Sample
2024-02-27_31edead8a865ef514f7bfeac7a51af84_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-27_31edead8a865ef514f7bfeac7a51af84_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-27_31edead8a865ef514f7bfeac7a51af84_cryptolocker
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Size
99KB
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MD5
31edead8a865ef514f7bfeac7a51af84
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SHA1
864335820ef5cafb20ef46b139e3d300cf11ec36
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SHA256
4e5c53788623260a80b22911486f6d28f7b07f5ccdd360518af9f1bf03433999
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SHA512
b768e43f6d816bd4e88eaa39f1e6b9e5aacac08aaa5bb596f80c4496b914ec8f039d441a0edb39ef8db7afdbb3c2eea9618f26bd01485ce723e7f31a57bf90c0
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2OY3:xj+VGMOtEvwDpjubwQEIiVmkxv/CY3
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-27_31edead8a865ef514f7bfeac7a51af84_cryptolocker
Files
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2024-02-27_31edead8a865ef514f7bfeac7a51af84_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE