Behavioral task
behavioral1
Sample
3870fcd0dd40c5e60781c97d5c98befc_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
3870fcd0dd40c5e60781c97d5c98befc_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
3870fcd0dd40c5e60781c97d5c98befc_cryptolocker_JC.exe
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Size
95KB
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MD5
3870fcd0dd40c5e60781c97d5c98befc
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SHA1
5bad2112b42e828b3fc397dc0de62dbe9e5b559f
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SHA256
1daedb0c14b0338367e54e6c39ccfd9c2e33b0cf50c285ba5fe85241189a8669
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SHA512
89379718e30c92815c9afd1338a361b1f421edff281d66d80942f6fa77869e9ec71514886facf8663363d2b1b257b3e35f07048945ce3fee80ce87043ab6b27c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJh9:AnBdOOtEvwDpj6zs
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 3870fcd0dd40c5e60781c97d5c98befc_cryptolocker_JC.exe unpack001/out.upx
Files
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3870fcd0dd40c5e60781c97d5c98befc_cryptolocker_JC.exe.exe 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 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