Static task
static1
Behavioral task
behavioral1
Sample
2024-02-18_1f85c04217edd9533988b97eaac95e48_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_1f85c04217edd9533988b97eaac95e48_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-18_1f85c04217edd9533988b97eaac95e48_cryptolocker
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Size
40KB
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MD5
1f85c04217edd9533988b97eaac95e48
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SHA1
757e5fe292aad93b47d79d35c8e6cf0a9a872581
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SHA256
a4cae695c39b7d99ae6d2ed97b854a3f33449d60c9755449990a4443704c8d7f
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SHA512
3462418798769dbbce68629aee201e556213102934079f13605ff97957e917222cf1f7fcac0dbec6602bc242e8dc80db757eb3dee5e0f09d8732cfb3285f561a
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/CtVw:6j+1NMOtEvwDpjrR2Vw
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 2024-02-18_1f85c04217edd9533988b97eaac95e48_cryptolocker
Files
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2024-02-18_1f85c04217edd9533988b97eaac95e48_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: 11KB - Virtual size: 12KB
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