Behavioral task
behavioral1
Sample
2024-05-01_e5b0d41f146d6b28856bab05c0bbfd90_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-01_e5b0d41f146d6b28856bab05c0bbfd90_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_e5b0d41f146d6b28856bab05c0bbfd90_cryptolocker
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Size
51KB
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MD5
e5b0d41f146d6b28856bab05c0bbfd90
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SHA1
646d0f7a4606714d427a2e1fa8fe76c64db03b4f
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SHA256
e3c775b96ea47547d1b155b11ce19f33c80146e8f0c86f3f197ce9675398bafe
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SHA512
db949d5ccda12711a83ba4ed0e54caaaa1c26df03a1efcbfa8fb3d405fbd6e74fdbdea0ae254e93647011ecf47c2d664576546afde0d751dc21ed338cd20786b
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtc:bODOw9acifAoc+vc
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-01_e5b0d41f146d6b28856bab05c0bbfd90_cryptolocker
Files
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2024-05-01_e5b0d41f146d6b28856bab05c0bbfd90_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
UPX0 Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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