Behavioral task
behavioral1
Sample
2024-04-09_b1427f3af1bd10244eaec00fcb686fb7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_b1427f3af1bd10244eaec00fcb686fb7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_b1427f3af1bd10244eaec00fcb686fb7_cryptolocker
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Size
50KB
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MD5
b1427f3af1bd10244eaec00fcb686fb7
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SHA1
e369d057843c0004b18789acbe4fb2d9490bc774
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SHA256
038c0863aa65a7a0779a24aea76a2f8ff1e9c1a14c484043ae1cc3eeddbd4cf6
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SHA512
c07f7cd457d8da4cf9605d2c5fda0c184b62961a02aa2c5e6177032d11e5b5238fefeb262dc10cfa7c36f54fe82777602c37a8485e009b98a558498b1c940765
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOW:z6QFElP6n+gKmddpMOtEvwDpj31iW
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 -
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 2024-04-09_b1427f3af1bd10244eaec00fcb686fb7_cryptolocker
Files
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2024-04-09_b1427f3af1bd10244eaec00fcb686fb7_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_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