Behavioral task
behavioral1
Sample
2023-08-26_dc33e7097c376cb526ba4910e0b9cea9_cryptolocker_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-26_dc33e7097c376cb526ba4910e0b9cea9_cryptolocker_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2023-08-26_dc33e7097c376cb526ba4910e0b9cea9_cryptolocker_JC.exe
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Size
88KB
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MD5
dc33e7097c376cb526ba4910e0b9cea9
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SHA1
2a748f07eeffc8496393e45ba656667c8f073df5
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SHA256
fdf5614caa1569a8b5a6a68cf6b2ea9daa9a45592ae8c30f4ea22fb24299a75d
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SHA512
31b94255ed74faaaaa2b9ae768e28ac9d2625c1c92512eb01cd611099884f5a1a10b84c46526207eceb7149f476ef41868b02e98cffb34ba12d0dd572b289232
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp5:AnBdOOtEvwDpj6ze
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2023-08-26_dc33e7097c376cb526ba4910e0b9cea9_cryptolocker_JC.exe unpack001/out.upx
Files
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2023-08-26_dc33e7097c376cb526ba4910e0b9cea9_cryptolocker_JC.exe.exe windows:5 windows 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: 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
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out.upx.exe windows:5 windows 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
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ