Behavioral task
behavioral1
Sample
2024-02-01_77805e29ba43b2b35748304c745eb80a_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-01_77805e29ba43b2b35748304c745eb80a_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-01_77805e29ba43b2b35748304c745eb80a_cryptolocker
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Size
73KB
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MD5
77805e29ba43b2b35748304c745eb80a
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SHA1
021588af15f9d5a104a1d3172c524d6329d81e14
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SHA256
26613903ea8a583b13c8e6ae12813511542be2bb92ba81b40343e7886f10cada
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SHA512
6d4372208e391a2e74a4ec6624c778fd1b2e081bf8fb7eacf41871dc71f1c61c82043f72f697d971fa17db11ae71eae4b265a927ba5e5ad3ee4110db0a1cbd37
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx5u:T6a+rdOOtEvwDpjNtHPL
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 2024-02-01_77805e29ba43b2b35748304c745eb80a_cryptolocker
Files
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2024-02-01_77805e29ba43b2b35748304c745eb80a_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_CODE
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