Behavioral task
behavioral1
Sample
2024-04-21_2ca4e6933b806a2d1e8097601a61ff02_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-21_2ca4e6933b806a2d1e8097601a61ff02_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-21_2ca4e6933b806a2d1e8097601a61ff02_cryptolocker
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Size
55KB
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MD5
2ca4e6933b806a2d1e8097601a61ff02
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SHA1
99c4fb0263cb86a4ef8a9eab85460b23bf784c51
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SHA256
c2fb0369a74ea3bc25ca6c128d627d77e65ad0d021932e25939d5498d6ccaac6
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SHA512
7a779c4bb9c2ff552d9072999d235496a9fe27312033215bb166af30b8842aee130f6048e6276ed47ae8cf1278ef79bd99a00bafa2181e686ea238ab9bdf8078
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlW:bP9g/xtCS3Dxx0J
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 2024-04-21_2ca4e6933b806a2d1e8097601a61ff02_cryptolocker
Files
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2024-04-21_2ca4e6933b806a2d1e8097601a61ff02_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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