Static task
static1
Behavioral task
behavioral1
Sample
2024-01-27_37d4b1d637f3d888311efa452305fae5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_37d4b1d637f3d888311efa452305fae5_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-27_37d4b1d637f3d888311efa452305fae5_cryptolocker
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Size
56KB
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MD5
37d4b1d637f3d888311efa452305fae5
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SHA1
eca42bd28e72b037b72cb2523768d93136e32df5
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SHA256
d63bbd2d07e3a29172cecea821e1323f59b2b4a799bf437f45c26e66ec4e09d3
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SHA512
a3ad7ae2c54ef6381f72103827f6fc66e935114fdc2ac3d0ef1cdd0742f7d7f024b6473bc66dbf3a55562ca6afb7f206e15c0e9f69cadba1a6c46d6581416466
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Gowfj/s:xj+VGMOtEvwDpjubEgm
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 2024-01-27_37d4b1d637f3d888311efa452305fae5_cryptolocker
Files
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2024-01-27_37d4b1d637f3d888311efa452305fae5_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