Behavioral task
behavioral1
Sample
2024-04-26_4301db74ae1b8c57fbfc379408c3ff06_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-26_4301db74ae1b8c57fbfc379408c3ff06_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-26_4301db74ae1b8c57fbfc379408c3ff06_cryptolocker
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Size
55KB
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MD5
4301db74ae1b8c57fbfc379408c3ff06
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SHA1
6414e95747ed1dc355305805a4618c3408035f86
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SHA256
543540bfedd6057cf80a69e6cc5bf2b70dc6b7c91c0e2e6bea597d03139fa371
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SHA512
c008ebbdd887b827007c2b77ee0b7fef51742a711e53587355a66e76d7a0c1c1431c5f3d3f15f75292fa6ad711b2fd430702e4d226c9cb37b964ea6dbea43d95
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNU:bP9g/xtCS3Dxx0n
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 2024-04-26_4301db74ae1b8c57fbfc379408c3ff06_cryptolocker
Files
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2024-04-26_4301db74ae1b8c57fbfc379408c3ff06_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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