Static task
static1
Behavioral task
behavioral1
Sample
2024-02-29_a241cc40ad47248ffa71f367e9b99c7d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-29_a241cc40ad47248ffa71f367e9b99c7d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-29_a241cc40ad47248ffa71f367e9b99c7d_cryptolocker
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Size
55KB
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MD5
a241cc40ad47248ffa71f367e9b99c7d
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SHA1
f58158bb72d3b1cc43177b5d7c267f3c3c8f77de
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SHA256
b8e9a637a4ccd4667d56b6cea51e0e3f5e1ee513def67cad5c0c946063ba0a15
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SHA512
dc2762d2207c3fe5465568ebcd514ffef28237e8ee13dd111cf34394969024aaedb64a0460b4c69065a984d99fbad6576238d4d081ed659741f9d61da9eed897
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbP/MMaB:xj+VGMOtEvwDpjubXMMaB
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 2024-02-29_a241cc40ad47248ffa71f367e9b99c7d_cryptolocker
Files
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2024-02-29_a241cc40ad47248ffa71f367e9b99c7d_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