Behavioral task
behavioral1
Sample
2024-02-12_658249914bae37311d71a788179be7f8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-12_658249914bae37311d71a788179be7f8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_658249914bae37311d71a788179be7f8_cryptolocker
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Size
69KB
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MD5
658249914bae37311d71a788179be7f8
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SHA1
7c3c4eace739592b515da5483fba0aa029b2f278
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SHA256
fa81906ee57e610c954369716a0539b5282099a3eab66225cd2b05062f063736
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SHA512
3913be7b49b09c838c1ca4768006865b89b8008e6756d47e46eb0b1bdba32d508a6c9ae860a5c257b8f3d9e00af2248572a2bc6cb0e2a2d1c6809df0cd4a8bc2
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB+k:z6a+CdOOtEvwDpjQ7
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 2024-02-12_658249914bae37311d71a788179be7f8_cryptolocker
Files
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2024-02-12_658249914bae37311d71a788179be7f8_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