Behavioral task
behavioral1
Sample
2024-09-21_21203516f27309d55dd8f72d3479ed36_cryptolocker.exe
Resource
win7-20240903-en
General
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Target
2024-09-21_21203516f27309d55dd8f72d3479ed36_cryptolocker
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Size
90KB
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MD5
21203516f27309d55dd8f72d3479ed36
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SHA1
8d6d3da43491ee27780312ff4c23bafa4e5fc713
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SHA256
2cc759cb45150842eb1848708bfc27ec101b299b95cb8509e5c41d36d556a844
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SHA512
27846f4e1ab555689b089adfc28f30d2a0bbc7b11486eca9d0772119709c280f34edeb74085bf3c53db774ab1a89c8fd02c20b273c4a6d82da84106a930a751a
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODw6:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg3
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-09-21_21203516f27309d55dd8f72d3479ed36_cryptolocker unpack001/out.upx
Files
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2024-09-21_21203516f27309d55dd8f72d3479ed36_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: 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: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ