Behavioral task
behavioral1
Sample
2024-04-25_84557981f055e910ccf34abdaf00ee68_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_84557981f055e910ccf34abdaf00ee68_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-25_84557981f055e910ccf34abdaf00ee68_cryptolocker
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Size
55KB
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MD5
84557981f055e910ccf34abdaf00ee68
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SHA1
68b0f9b8addc3432971e541d7b70cdb24d322627
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SHA256
6a513c4d5dbac55f7438c7998f4e7ec66ade4c12c4f4fa9a797162b0609e8d46
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SHA512
58975b417cf01883dda17e861670cf69cdf4c342dcbc87f31ad425cbf79dafd1c3059ca1f58f52faa48897eb2432edd72f493013b2ce1d3ece5f3aa28527c214
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlea:bP9g/xtCS3Dxx0S
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-25_84557981f055e910ccf34abdaf00ee68_cryptolocker
Files
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2024-04-25_84557981f055e910ccf34abdaf00ee68_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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