Static task
static1
Behavioral task
behavioral1
Sample
2024-02-03_728a94c9ec163360c68f4f08f8a74629_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_728a94c9ec163360c68f4f08f8a74629_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-03_728a94c9ec163360c68f4f08f8a74629_cryptolocker
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Size
99KB
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MD5
728a94c9ec163360c68f4f08f8a74629
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SHA1
48d61fc13818db1b3c4c541fb6c06802e47187b8
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SHA256
ba276b6a9ec752b4201266c58109b2e5683cf2b10c70e4fc67e08111efa41319
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SHA512
3b2d3f0c8ec61ee9d76792856be7a190b57e5cadc2f1c20a3567ca331166554040555f1c054dbba98adf116b65aff56ad81524cf97d4792c6f95ebc7f7c5149f
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2r:xj+VGMOtEvwDpjubwQEIiVmkxv/v
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 2024-02-03_728a94c9ec163360c68f4f08f8a74629_cryptolocker
Files
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2024-02-03_728a94c9ec163360c68f4f08f8a74629_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