Behavioral task
behavioral1
Sample
2024-02-19_3df6ed3b3a3d66afcda245eb30a6fe43_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_3df6ed3b3a3d66afcda245eb30a6fe43_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_3df6ed3b3a3d66afcda245eb30a6fe43_cryptolocker
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Size
117KB
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MD5
3df6ed3b3a3d66afcda245eb30a6fe43
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SHA1
5fda55378d995f1e984a62344fa97b3acffcfdc4
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SHA256
cb4a6bc93b5f0a5221b1a5d5fbb2c75276e706938c3a36319388aa1cd8965d35
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SHA512
80a5943e4fd570008b0e9a665c04477a301dce085319f3daf82c3f0d05be416520ee07e8734d76f6360ec96bc0000f99e671b890312c2dc09e52d4c2a02f1730
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01kQV:z6a+CdOOtEvwDpjczB
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 2024-02-19_3df6ed3b3a3d66afcda245eb30a6fe43_cryptolocker
Files
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2024-02-19_3df6ed3b3a3d66afcda245eb30a6fe43_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