Behavioral task
behavioral1
Sample
cb9391a45a23df7f6e68504960e3762f_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
cb9391a45a23df7f6e68504960e3762f_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
cb9391a45a23df7f6e68504960e3762f_cryptolocker_JC.exe
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Size
90KB
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MD5
cb9391a45a23df7f6e68504960e3762f
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SHA1
2b8afbd5db24613c54f185b5d176157c9a89ee1a
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SHA256
b4566dc2405f9028f2365f4313cea7f0fc42def8496798924b7b32e9805237e0
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SHA512
d75550f29d78b18f593da3ab09a59554adbb9455ea340c6e65944a5166eb8ada663a81796b124949b8198928d1f06dbcdb4316a9407c3e85338a4c4b1001a073
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwN6b41A:AnBdOOtEvwDpj6z0su
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource cb9391a45a23df7f6e68504960e3762f_cryptolocker_JC.exe unpack001/out.upx
Files
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cb9391a45a23df7f6e68504960e3762f_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