Static task
static1
Behavioral task
behavioral1
Sample
2024-05-29_28181d55e25ebc571b21ef1e9f46e83a_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-29_28181d55e25ebc571b21ef1e9f46e83a_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-29_28181d55e25ebc571b21ef1e9f46e83a_cryptolocker
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Size
49KB
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MD5
28181d55e25ebc571b21ef1e9f46e83a
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SHA1
2136acfc456796bce56ee3bb66d17a4a10eb81cd
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SHA256
0a383b16afa9646edfc84fbb8e290ec776eace22eaaeb1ceaf20841c783aa276
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SHA512
b20dec66a495ba3ec32dfe15cff57638fc0d44538925dc90f8fb9eac1befcf5155d78e7ccad1df33258ed9f4e8be1b2c7cb6068fac7d8ff48eeca509dbcb377a
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsm06MM:xj+VGMOtEvwDpjy+viHs7pM
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 2024-05-29_28181d55e25ebc571b21ef1e9f46e83a_cryptolocker
Files
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2024-05-29_28181d55e25ebc571b21ef1e9f46e83a_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