Behavioral task
behavioral1
Sample
2024-06-08_d509c3af6c6c1ef0849a4d474c6a0edf_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-08_d509c3af6c6c1ef0849a4d474c6a0edf_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-08_d509c3af6c6c1ef0849a4d474c6a0edf_cryptolocker
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Size
53KB
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MD5
d509c3af6c6c1ef0849a4d474c6a0edf
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SHA1
a26139c26b4b4d63a991547e391d427f33573331
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SHA256
275413c93b1a41536a52f45ffe25c8801619fba5597ec2d4214d9e81dab33021
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SHA512
1aa2548bf7e63753b749e05a98bb8e32ac025ca18cceee1c3e73e69f5293583b0967b0c8a55d7aa08b6d406af5defd7c7073d72f1765549cb340a3cd6d47fd5b
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOy:bODOw9acifAoc+vV
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 2024-06-08_d509c3af6c6c1ef0849a4d474c6a0edf_cryptolocker
Files
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2024-06-08_d509c3af6c6c1ef0849a4d474c6a0edf_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