Behavioral task
behavioral1
Sample
NetResView.chm
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NetResView.chm
Resource
win10v2004-20230915-en
Behavioral task
behavioral3
Sample
NetResView.exe
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
NetResView.exe
Resource
win10v2004-20230915-en
General
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Target
netresview.zip
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Size
43KB
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MD5
8ad1560d9c07c53546132aa007a32683
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SHA1
761ef50d078f75bc21f7ce32f0a4d025d2ead204
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SHA256
84ce97effb45314d315ab221482ccbf7237f6942f0c4fac0d3b52fec22c28c15
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SHA512
9ffac88b729acdedefd395e9212b989eb0a8b865c262b20d2336c07048e6e521ee11e70fe85c4cee6bc4d91e04c5d37aeff3be8bfd0d1c4bee95bf075e04f846
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SSDEEP
768:4gUkQlTObLAovbz2JRVzf8etu7gyESCuNqMahNnEtyjoeeADK1XT7hkgyX:4gJQgbLcR5t6gyESC5MahatRRj7u
Malware Config
Signatures
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Nirsoft 1 IoCs
resource yara_rule static1/unpack002/out.upx Nirsoft -
resource yara_rule static1/unpack001/NetResView.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/NetResView.exe unpack002/out.upx
Files
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netresview.zip.zip
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NetResView.chm.chm
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NetResView.exe.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 52KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 29KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 40KB - Virtual size: 39KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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readme.txt