Behavioral task
behavioral1
Sample
b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe
Resource
win10v2004-20240226-en
General
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Target
b8b1e1b26e8cedd59ba92c4d8b4f4a16
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Size
670KB
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MD5
b8b1e1b26e8cedd59ba92c4d8b4f4a16
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SHA1
f3a3b2c99650b3f6d58dc59a69cb87be25eeb437
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SHA256
e962081ec608f3e4c1490afd968e9ff965081d96bf3d93f06bf372787fd8e65c
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SHA512
3edb0b9e37e7eb8d868b2957645b4b0814ea610ddc0cfb37d409f296c3bd26ca5c843d0407aed36c463a284e2bcad6613cafbb3add855e9d4fba8256b3b57a20
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SSDEEP
12288:j+tQY3u4/30tqXRzueOPrWuZDoZH88fgKxNOMfA33sUKpfcsFmcyouSKhK6udcKf:jGQY+ttqXRNOPrWuOZHHfRXA33OpfPFV
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource b8b1e1b26e8cedd59ba92c4d8b4f4a16 unpack001/out.upx
Files
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b8b1e1b26e8cedd59ba92c4d8b4f4a16.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 1.0MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 325KB - Virtual size: 328KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 537KB - Virtual size: 537KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 91KB - Virtual size: 91KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 11KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 653KB - Virtual size: 652KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 29KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ