Static task
static1
Behavioral task
behavioral1
Sample
2024-04-27_b0f57411f940392661bc878300eb4db1_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-27_b0f57411f940392661bc878300eb4db1_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_b0f57411f940392661bc878300eb4db1_cryptolocker
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Size
49KB
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MD5
b0f57411f940392661bc878300eb4db1
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SHA1
1c2e19882344ef06f64d887d3c1f39977bd65d39
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SHA256
8fe41b7b05d90f62099f608c7e975fbe8d9e33bd0ee083cce1fcaa03b59f6772
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SHA512
49f7c1b1044623121841d9caf6bcaf1231359ed1f14246fda5df22f4c95766f36f2c01429884b9d6e6d78607ff439d3f99543159464ddca45444c42d80e08fdd
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldedHV:xj+VGMOtEvwDpjk/eVV
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 2024-04-27_b0f57411f940392661bc878300eb4db1_cryptolocker
Files
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2024-04-27_b0f57411f940392661bc878300eb4db1_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