Behavioral task
behavioral1
Sample
20240521567816e0c18b47ae347a85b747d6d5b2cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
20240521567816e0c18b47ae347a85b747d6d5b2cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
20240521567816e0c18b47ae347a85b747d6d5b2cryptolocker
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Size
73KB
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MD5
567816e0c18b47ae347a85b747d6d5b2
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SHA1
e2d2434b18048ac0dc1960ad2a2f042a6dcb7ac7
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SHA256
3332d2a4c02a8ef4fe02ac54532d1d148eadfb64cdbbd119a859e62900e780d0
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SHA512
78d840a5a76533366a2b5cb9a516378f7d6adfff510afa9e7f283445a1aa82b09e02e5a52ff771f98f1ac1c5b6509b90fa8e005d86c520872e9e0392019cf070
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9l:C4Q2c94OtEvwDpj4H8z8
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 20240521567816e0c18b47ae347a85b747d6d5b2cryptolocker unpack001/out.upx
Files
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20240521567816e0c18b47ae347a85b747d6d5b2cryptolocker.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: 36KB
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 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
.reloc Size: 1024B - Virtual size: 542B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE