Behavioral task
behavioral1
Sample
2024-01-23_d872339b829417bd0db4eeceaf93f4d2_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-23_d872339b829417bd0db4eeceaf93f4d2_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_d872339b829417bd0db4eeceaf93f4d2_cryptolocker
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Size
54KB
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MD5
d872339b829417bd0db4eeceaf93f4d2
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SHA1
3feccbac58912f9212122353c39106a75d5c746f
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SHA256
791bca8facff7333e4046f364c42ae9fe77f5916f996b24632bb7cad82cd3bc0
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SHA512
fc68598e7cf3fa2550ddbe811eec8733990dd1d42a418ab048d77e69fdbd05e5515c13540eaa636c728e0b09d2f41116de3b1d2abd23aa3288401ca76dbfab53
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axcEo:z6QFElP6n+gKmddpMOtEvwDpj9aYa5o
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 2024-01-23_d872339b829417bd0db4eeceaf93f4d2_cryptolocker
Files
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2024-01-23_d872339b829417bd0db4eeceaf93f4d2_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