Behavioral task
behavioral1
Sample
2024-04-25_732b814f83ec125705f09b2b55a351b8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_732b814f83ec125705f09b2b55a351b8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_732b814f83ec125705f09b2b55a351b8_cryptolocker
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Size
50KB
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MD5
732b814f83ec125705f09b2b55a351b8
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SHA1
7d5b041f86d83f16a8360f5d2b2f29c10cb2a036
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SHA256
123e92ae717a304cb9c50ae3ce18f583a932c4a399e6c64df8e70e50675d43ee
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SHA512
a93dee3cd37512cb7c5597a82efc23c6d3952f16fcbd5d8c7b66b38bc77fde064e3b326a6523bd3b6d581c427c8fe222b10374870bf1b17f61c99524b0bf0ccb
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtT:bODOw9acifAoc+vT
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_732b814f83ec125705f09b2b55a351b8_cryptolocker
Files
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2024-04-25_732b814f83ec125705f09b2b55a351b8_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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