Static task
static1
Behavioral task
behavioral1
Sample
2024-01-29_81f10db09026964eb4f05f9755e70d1a_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-29_81f10db09026964eb4f05f9755e70d1a_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-29_81f10db09026964eb4f05f9755e70d1a_cryptolocker
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Size
62KB
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MD5
81f10db09026964eb4f05f9755e70d1a
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SHA1
896e3a1b58081c1b78a70a95b6f0e13d5e89dff6
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SHA256
43155ae452c1249731808126de3c148f2b50efc46eebaf5ddf61617dddf47f0e
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SHA512
909c6d95db3006ebd3a5a8d3bc9e8e274eb0334daf265633e69a6516c5d947addbdbb3c772bc19af2f4d6af0ce144deaf53f7076575f55eb93b7a80ed258564b
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEO10Km2:6j+1NMOtEvwDpjr8ox8UDEy0Km2
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 2024-01-29_81f10db09026964eb4f05f9755e70d1a_cryptolocker
Files
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2024-01-29_81f10db09026964eb4f05f9755e70d1a_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