Behavioral task
behavioral1
Sample
2024-04-05_1ff1fa5a0a9c6c185749c1aad9005b19_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_1ff1fa5a0a9c6c185749c1aad9005b19_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_1ff1fa5a0a9c6c185749c1aad9005b19_cryptolocker
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Size
97KB
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MD5
1ff1fa5a0a9c6c185749c1aad9005b19
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SHA1
9288f0a94a758476234955ee0afc0d05c3fefb6e
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SHA256
25dd84cc9a1af4fafe621655c1cc9b4c62993b6fbd62869a68bee29679122939
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SHA512
a9143c73fac9da57b241eaac85898f779d1b109e1ae1671b6840c8abafb89e4e39a4fd39e81c7f2d6e0c3e030e5c4ddc6cb0b756963751eb2fb3a80bb6ffb60d
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BI:z6a+CdOOtEvwDpjcm
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 2024-04-05_1ff1fa5a0a9c6c185749c1aad9005b19_cryptolocker
Files
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2024-04-05_1ff1fa5a0a9c6c185749c1aad9005b19_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