Behavioral task
behavioral1
Sample
2024-02-28_271d44d45ec6bcd1ffe11cc2c305d40c_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-02-28_271d44d45ec6bcd1ffe11cc2c305d40c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_271d44d45ec6bcd1ffe11cc2c305d40c_cryptolocker
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Size
75KB
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MD5
271d44d45ec6bcd1ffe11cc2c305d40c
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SHA1
3f0ca0f8aa0977635e665ade1502ef912b2b927b
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SHA256
283b6f6ef68a8d7aa9f276c534360354d36fd456eea6cd09d24f24ad54fa15c2
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SHA512
0625b5a4635e97fa3fe7ec9d6390eaca6ef76d4b9d7aa94f0796562f0a37255d4771136a2a008221cbace183b26fb92d2cb148fe299c0e8651faa7bf82b3842a
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx7lx:T6a+rdOOtEvwDpjNtHPQ
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_271d44d45ec6bcd1ffe11cc2c305d40c_cryptolocker
Files
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2024-02-28_271d44d45ec6bcd1ffe11cc2c305d40c_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