Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_778d7e8eaa12727dfc6fd9a8922a2ee1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_778d7e8eaa12727dfc6fd9a8922a2ee1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_778d7e8eaa12727dfc6fd9a8922a2ee1_cryptolocker
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Size
60KB
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MD5
778d7e8eaa12727dfc6fd9a8922a2ee1
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SHA1
753326ce31011a6e1afe7fad2de0acecbe349f33
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SHA256
6c76e0319d495d6ddc037d77c349025ce4dcdcffd6678918302763acbe238d67
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SHA512
35f7bd67f7d9177af50e2da7d53f4bda345de29ef6c2190ecdb5db8b66e0fbfc032c482eaf9fb851ccbfae286bfa6bb86613be0b76b499e0b7a90396c4e2d655
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFwDJS:xj+VGMOtEvwDpjubEgywU
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 2024-01-28_778d7e8eaa12727dfc6fd9a8922a2ee1_cryptolocker
Files
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2024-01-28_778d7e8eaa12727dfc6fd9a8922a2ee1_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