Behavioral task
behavioral1
Sample
2024-01-23_f7ebddde3e8b8f0b8860c1676b4cac9f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_f7ebddde3e8b8f0b8860c1676b4cac9f_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_f7ebddde3e8b8f0b8860c1676b4cac9f_cryptolocker
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Size
73KB
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MD5
f7ebddde3e8b8f0b8860c1676b4cac9f
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SHA1
9f24f3f241a301b57c3a389f23b21677edb1c963
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SHA256
5939af116b3fabf8ced5e365c36a4b821553b8b8ab45a2508281f015c7f07756
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SHA512
46d147e516d28ed085b6fdc622ca7a035d51a98d733e5446eadb2abfdd3967fabea0bd667a241ebd2fd59d8e4798fcb74e29fd70273b1b076b81a94a8076d824
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcz:T6a+rdOOtEvwDpjNtI
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 2024-01-23_f7ebddde3e8b8f0b8860c1676b4cac9f_cryptolocker
Files
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2024-01-23_f7ebddde3e8b8f0b8860c1676b4cac9f_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