Behavioral task
behavioral1
Sample
2024-05-31_d779fcbcb8b6c473b3c21b75bbe053bc_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-31_d779fcbcb8b6c473b3c21b75bbe053bc_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-31_d779fcbcb8b6c473b3c21b75bbe053bc_cryptolocker
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Size
41KB
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MD5
d779fcbcb8b6c473b3c21b75bbe053bc
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SHA1
de44ba2ccb0ff7bbf40ec2439aeb29a890ddfbe8
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SHA256
353f7453cd332061cc82fde632e8574f33859e4575f51124b5a7ad8438705104
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SHA512
e2db8b350810c92ea3d8c470cd57e11f5e5f2b86452b0a92f9ebc4d0f4f3d949592ac8a880db626a2cf3e632ba9a9008762a3dc9fdabda9fd3f6d01285253999
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHB3Av:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKmv
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 2024-05-31_d779fcbcb8b6c473b3c21b75bbe053bc_cryptolocker
Files
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2024-05-31_d779fcbcb8b6c473b3c21b75bbe053bc_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