Behavioral task
behavioral1
Sample
OptimumJPEG.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
OptimumJPEG.exe
Resource
win10v2004-20240709-en
General
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Target
60d81cb5c3b1e1e0216598584c441b8f_JaffaCakes118
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Size
547KB
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MD5
60d81cb5c3b1e1e0216598584c441b8f
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SHA1
700632fa1c7122345bc308afdbbe2850603f951e
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SHA256
7921fa2cc4f9fcb69a2171763f2b84971521abdc4ca90fc5fa439c351a0970e5
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SHA512
55b8cc4f72ce124728ac2fe82c0d0843757bd58b3397a9a53c7154caa909125520e0212fefa8dbdad7f2b1191561725d652cdcfbeea3b0742fc67d8c06f97aba
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SSDEEP
12288:SII1kWURB9psyJf8zLwRA/25w37tmWd3jg+y3oKH9:7Im2yJUf/26ddzpy3oW
Malware Config
Signatures
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resource yara_rule static1/unpack001/OptimumJPEG.exe upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/OptimumJPEG.exe
Files
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60d81cb5c3b1e1e0216598584c441b8f_JaffaCakes118.rar
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FILE_ID.DIZ
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LICENSE.TXT
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OptimumJPEG.exe.exe windows:4 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 928KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 539KB - Virtual size: 540KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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README.TXT
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optimumjpeg.xml.xml
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下载说明.htm.html .js polyglot