Behavioral task
behavioral1
Sample
2024-01-28_dda3b37fa94f91a79dee28e287bd8a23_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_dda3b37fa94f91a79dee28e287bd8a23_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_dda3b37fa94f91a79dee28e287bd8a23_cryptolocker
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Size
64KB
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MD5
dda3b37fa94f91a79dee28e287bd8a23
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SHA1
4038c0bf430e45c93ec8ef1b1c777d0a0b7f0c03
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SHA256
6de346d5246e6d886aef608dc68106f606eb642cd4e1d9577546cdf820fba5e4
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SHA512
bd04c1df905c5c5b3efccb0d046a9e72a3584afa667997274b336971657fa51b770a4557ed4b057565e8ac1d40f38b8d5ec4373ec88a8d4ff1a83d69ee1a90b9
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+g0jum/kLyMro2GtOOtEvwDpj/:z6QFElP6n+g06mddpMOtEvwDpj
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 2024-01-28_dda3b37fa94f91a79dee28e287bd8a23_cryptolocker
Files
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2024-01-28_dda3b37fa94f91a79dee28e287bd8a23_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