Behavioral task
behavioral1
Sample
2024-05-31_fdcfb6de9777da3547c875c140fe5eb0_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-31_fdcfb6de9777da3547c875c140fe5eb0_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-31_fdcfb6de9777da3547c875c140fe5eb0_cryptolocker
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Size
42KB
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MD5
fdcfb6de9777da3547c875c140fe5eb0
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SHA1
bb48f14e872fe5f29c695875f037ad755482215c
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SHA256
115ff9a0ba31e74956cb780c86a97d02ff07637b08aac125f4e62c3521d94f88
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SHA512
28e838e5f511e5d2f906c9923236734f2b13fb1a3cd2232449ecfd4580325bbef30bb3d0f98b6fc9f92243d2487a99e317759a1cd63b09849550048edf1c85f1
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKoWOV:ba6YcA/Xk3wXFXSqAJiV
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_fdcfb6de9777da3547c875c140fe5eb0_cryptolocker
Files
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2024-05-31_fdcfb6de9777da3547c875c140fe5eb0_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