Behavioral task
behavioral1
Sample
fdf87be111b5ac7adb778bf9dbe7bc66_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
fdf87be111b5ac7adb778bf9dbe7bc66_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
fdf87be111b5ac7adb778bf9dbe7bc66_cryptolocker_JC.exe
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Size
91KB
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MD5
fdf87be111b5ac7adb778bf9dbe7bc66
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SHA1
ef5f882d37c65e429f0890aed257311747455f8a
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SHA256
f685282eb0b6fdab3fdfe2d7b6395ed93e2a28228183de4d05572f8dc8b5541f
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SHA512
77adc5c0741338fe7b9375eda8da0abff0d1ed4e8c18985e0a7b35c5bc0e0f5fdee2e199c4fb2d79745836badef5fe9058d214845a24977749b19bb9682fb7f5
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp+ofa:AnBdOOtEvwDpj6z5
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource fdf87be111b5ac7adb778bf9dbe7bc66_cryptolocker_JC.exe unpack001/out.upx
Files
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fdf87be111b5ac7adb778bf9dbe7bc66_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