Behavioral task
behavioral1
Sample
2024-10-15_811f265b4a87c19d5fd3f9ec5fc5821c_cryptolocker.exe
Resource
win7-20240903-en
General
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Target
2024-10-15_811f265b4a87c19d5fd3f9ec5fc5821c_cryptolocker
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Size
70KB
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MD5
811f265b4a87c19d5fd3f9ec5fc5821c
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SHA1
beef4b844e11333b1307678e5bda26a8911be0d6
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SHA256
237553a84646e01006042a3db0e27beb1c31c69372cb732c67c9f5a1963c3626
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SHA512
514ac2f615344d6932665f10d6d1992af30d3da95c7d8e8b7dc66656a61a2ef4aa5c1bfd79a1fdc345b337e15145b971d156f4f2fbe2b0a7ac70d2fda1bebcea
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SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAeA:78SEOtEvwDpjWYvQd2Pt
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-10-15_811f265b4a87c19d5fd3f9ec5fc5821c_cryptolocker unpack001/out.upx
Files
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2024-10-15_811f265b4a87c19d5fd3f9ec5fc5821c_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
Sections
UPX0 Size: - Virtual size: 32KB
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: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ