Behavioral task
behavioral1
Sample
2024-02-28_8a7b3871fd1802a529afca1e8e4e7e53_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_8a7b3871fd1802a529afca1e8e4e7e53_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_8a7b3871fd1802a529afca1e8e4e7e53_cryptolocker
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Size
56KB
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MD5
8a7b3871fd1802a529afca1e8e4e7e53
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SHA1
2f8fa879a57df64193563ee5f1a683bc8711b43c
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SHA256
96d0cee7456976f33ad7151fd124f331fd61c973b772521741ab91c96dc43615
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SHA512
58d389a620009739cdc3fe4905516d9206a013c4ede92de4734d6a3d048640a2a76ca85ec2f1c40b55796493eced28d3589d77bb046acbd8b6189b08a60fba6f
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8k:z6QFElP6n+gKmddpMOtEvwDpj9aYaR
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 2024-02-28_8a7b3871fd1802a529afca1e8e4e7e53_cryptolocker
Files
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2024-02-28_8a7b3871fd1802a529afca1e8e4e7e53_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