Behavioral task
behavioral1
Sample
f0c106d655f7500961deeb2937263a07_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
f0c106d655f7500961deeb2937263a07_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
f0c106d655f7500961deeb2937263a07_cryptolocker_JC.exe
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Size
90KB
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MD5
f0c106d655f7500961deeb2937263a07
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SHA1
d9d9e55f2b0c070ebcb8edf56094e4c0a466ac89
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SHA256
704f3a5e86ad12d4555b1fd8f57b0ccaf8541f285da48e5c8fe00734dc30d4f3
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SHA512
33a30732d9af8503ad05b22385890e76c9b15b496bbd2aeeebbf4a708326418e08223ff09c7851f146aa6609842522ce6ce381bc09901f83e67a7e8ed87b3d84
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwN6b41T:AnBdOOtEvwDpj6z0sh
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource f0c106d655f7500961deeb2937263a07_cryptolocker_JC.exe unpack001/out.upx
Files
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f0c106d655f7500961deeb2937263a07_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