Behavioral task
behavioral1
Sample
2024-02-28_cfae65368cbc49850ea659d5ec03f956_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_cfae65368cbc49850ea659d5ec03f956_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_cfae65368cbc49850ea659d5ec03f956_cryptolocker
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Size
63KB
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MD5
cfae65368cbc49850ea659d5ec03f956
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SHA1
b46a205c83b7768542675f9745ba75919ea65574
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SHA256
1b0380989d31dc19e2626e0f94269efa3896e29f3e1b0d2e61537503543780a0
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SHA512
b63102472f7a2526a93d6c014dca14a0efa1e2d78975fcf60a2fb0e2129ae96bfe431fa64b928943b12e32b369f897ca489683f4de02dca66707c387b799c150
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7hF1y:zj+soPSMOtEvwDpj4kpmeLmW1y
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 2024-02-28_cfae65368cbc49850ea659d5ec03f956_cryptolocker
Files
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2024-02-28_cfae65368cbc49850ea659d5ec03f956_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