Static task
static1
Behavioral task
behavioral1
Sample
2024-03-09_b5b313c67d8fa6066a2297838a3265d3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-09_b5b313c67d8fa6066a2297838a3265d3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-09_b5b313c67d8fa6066a2297838a3265d3_cryptolocker
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Size
99KB
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MD5
b5b313c67d8fa6066a2297838a3265d3
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SHA1
00cf2534c3827a6e21226ae84b18113085b29f4b
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SHA256
e4d018bc0b69e8a3d3ba58f60b49a184d7f884c6cb31163967eedac3c6bd6629
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SHA512
0c474f960c2a6e9fd6b9b0bd26e31101fba8a195011d4811b3f38d94e13d878aecb48f9fb76b2fa56cb601c28d9b751437173a0f27e98a1b563cab897927406e
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2R8:xj+VGMOtEvwDpjubwQEIiVmkxv/q
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 2024-03-09_b5b313c67d8fa6066a2297838a3265d3_cryptolocker
Files
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2024-03-09_b5b313c67d8fa6066a2297838a3265d3_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