Behavioral task
behavioral1
Sample
2024-02-23_ffea431e33da69489957dbe2104fcc19_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_ffea431e33da69489957dbe2104fcc19_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_ffea431e33da69489957dbe2104fcc19_cryptolocker
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Size
97KB
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MD5
ffea431e33da69489957dbe2104fcc19
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SHA1
919f7aa4af8605b412b9d7ddd9939016a660735b
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SHA256
80c62e2d0302f6bc2938afc06567c8ab9f1832f8cdc0c41a5e4e08b6baf2653b
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SHA512
3438802587c6d55b3f20169647d383a58306793bd8412ec15944418d39eb76165b1b3458cb105dff1438d86d8aea229d29461c13d0b0c4bf48db0e32a87a760d
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiU:z6a+CdOOtEvwDpjcQ
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 2024-02-23_ffea431e33da69489957dbe2104fcc19_cryptolocker
Files
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2024-02-23_ffea431e33da69489957dbe2104fcc19_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