Static task
static1
Behavioral task
behavioral1
Sample
2024-01-18_a3975015443c2a6cf6afc7ab8e702fb5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-18_a3975015443c2a6cf6afc7ab8e702fb5_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-18_a3975015443c2a6cf6afc7ab8e702fb5_cryptolocker
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Size
56KB
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MD5
a3975015443c2a6cf6afc7ab8e702fb5
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SHA1
d52a0f73a02a54ddd678cb0fe67cf543cc9090eb
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SHA256
55af8ce096e9a01ee79a565b67c88df3956cfb1301e39c2bab822e15fed60add
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SHA512
2155497f51ba37fd5b452af9c94c7e43fe04df7245107424a244df171f153e93df1b090870ed3de228d62e1b278c36d63accc1d2379f580137d9443a5dfb1dc5
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFS:xj+VGMOtEvwDpjubEgyS
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 2024-01-18_a3975015443c2a6cf6afc7ab8e702fb5_cryptolocker
Files
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2024-01-18_a3975015443c2a6cf6afc7ab8e702fb5_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