Behavioral task
behavioral1
Sample
2024-04-06_37c6744b23d70b849620d6d776736563_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_37c6744b23d70b849620d6d776736563_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_37c6744b23d70b849620d6d776736563_cryptolocker
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Size
72KB
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MD5
37c6744b23d70b849620d6d776736563
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SHA1
089eb2f2be03761393bc2747c7f8c6d7a302fbb6
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SHA256
a4ba033f36b8631d89dbd5af9a4887960ea194526dfe6779d0ef4b74fe749c1b
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SHA512
e7d178a0c6278d7637bb87666932d8ef7dddf1797869becfdc43f053e8ab48ef2c65bb94244826ab508d4895e5321f961aa7b623e180455f17cf444d595d9b5a
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB6:z6a+CdOOtEvwDpjQc
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 2024-04-06_37c6744b23d70b849620d6d776736563_cryptolocker
Files
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2024-04-06_37c6744b23d70b849620d6d776736563_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